import libslirp-4.3.1-1.module+el8.4.0+10198+36d1d0e3
This commit is contained in:
CentOS Sources
Stepan Oksanichenko
parent
de6e309e39
commit
088e3bfb53
2
.gitignore
vendored
2
.gitignore
vendored
@ -1 +1 @@
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SOURCES/libslirp-4.3.0.tar.xz
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SOURCES/libslirp-4.3.1.tar.xz
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@ -1 +1 @@
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09f0c96d08a37a21eda73f4df8fb81a321361ad4 SOURCES/libslirp-4.3.0.tar.xz
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f69c50c264a465bde6fe0cd6b577e2f1c0b20ece SOURCES/libslirp-4.3.1.tar.xz
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@ -1,191 +0,0 @@
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From 0b83636e914a894b324836e3fb2f20a2f7599fc4 Mon Sep 17 00:00:00 2001
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From: Jindrich Novy <jnovy@redhat.com>
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Date: Wed, 27 May 2020 11:01:02 +0200
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Subject: [PATCH] Fix possible infinite loops and use-after-free
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Error: USE_AFTER_FREE (CWE-416): [#def1]
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libslirp-4.3.0/src/ip_icmp.c:79: freed_arg: "icmp_detach" frees "slirp->icmp.so_next".
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libslirp-4.3.0/src/ip_icmp.c:79: deref_arg: Calling "icmp_detach" dereferences freed pointer "slirp->icmp.so_next".
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77| {
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78| while (slirp->icmp.so_next != &slirp->icmp) {
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79|-> icmp_detach(slirp->icmp.so_next);
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80| }
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81| }
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Error: USE_AFTER_FREE (CWE-416): [#def27]
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libslirp-4.3.0/src/udp.c:56: freed_arg: "udp_detach" frees "slirp->udb.so_next".
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libslirp-4.3.0/src/udp.c:56: deref_arg: Calling "udp_detach" dereferences freed pointer "slirp->udb.so_next".
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54| {
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55| while (slirp->udb.so_next != &slirp->udb) {
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56|-> udp_detach(slirp->udb.so_next);
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57| }
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58| }
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Signed-off-by: Jindrich Novy <jnovy@redhat.com>
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Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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---
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src/ip_icmp.c | 7 +++++--
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src/udp.c | 5 ++++-
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2 files changed, 9 insertions(+), 3 deletions(-)
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diff --git a/src/ip_icmp.c b/src/ip_icmp.c
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index fe0add4..7533595 100644
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--- libslirp-4.3.0/src/ip_icmp.c
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+++ libslirp-4.3.0/src/ip_icmp.c
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@@ -75,8 +75,11 @@ void icmp_init(Slirp *slirp)
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void icmp_cleanup(Slirp *slirp)
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{
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- while (slirp->icmp.so_next != &slirp->icmp) {
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- icmp_detach(slirp->icmp.so_next);
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+ struct socket *so, *so_next;
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+
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+ for (so = slirp->icmp.so_next; so != &slirp->icmp; so = so_next) {
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+ so_next = so->so_next;
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+ icmp_detach(so);
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}
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}
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diff --git a/src/udp.c b/src/udp.c
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index 6bde20f..9ed1e74 100644
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--- libslirp-4.3.0/src/udp.c
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+++ libslirp-4.3.0/src/udp.c
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@@ -52,7 +52,10 @@ void udp_init(Slirp *slirp)
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void udp_cleanup(Slirp *slirp)
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{
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- while (slirp->udb.so_next != &slirp->udb) {
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+ struct socket *so, *so_next;
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+
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+ for (so = slirp->udb.so_next; so != &slirp->udb; so = so_next) {
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+ so_next = so->so_next;
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udp_detach(slirp->udb.so_next);
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}
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}
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--
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2.26.2
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From 2d79c0b7d78e55624790a102fbd924a4259eef16 Mon Sep 17 00:00:00 2001
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From: Jindrich Novy <jnovy@redhat.com>
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Date: Wed, 27 May 2020 11:07:19 +0200
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Subject: [PATCH] Use secure string copy to avoid overflow
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Error: STRING_OVERFLOW (CWE-120): [#def2]
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libslirp-4.3.0/src/ip_icmp.c:277: fixed_size_dest: You might overrun the 20-character fixed-size string "bufa" by copying the return value of "inet_ntoa" without checking the length.
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275| if (slirp_debug & DBG_MISC) {
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276| char bufa[20], bufb[20];
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277|-> strcpy(bufa, inet_ntoa(ip->ip_src));
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278| strcpy(bufb, inet_ntoa(ip->ip_dst));
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279| DEBUG_MISC(" %.16s to %.16s", bufa, bufb);
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Error: STRING_OVERFLOW (CWE-120): [#def3]
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libslirp-4.3.0/src/ip_icmp.c:278: fixed_size_dest: You might overrun the 20-character fixed-size string "bufb" by copying the return value of "inet_ntoa" without checking the length.
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276| char bufa[20], bufb[20];
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277| strcpy(bufa, inet_ntoa(ip->ip_src));
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278|-> strcpy(bufb, inet_ntoa(ip->ip_dst));
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279| DEBUG_MISC(" %.16s to %.16s", bufa, bufb);
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280| }
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Signed-off-by: Jindrich Novy <jnovy@redhat.com>
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Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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---
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src/ip_icmp.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/src/ip_icmp.c b/src/ip_icmp.c
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index 7533595..13a0e55 100644
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--- libslirp-4.3.0/src/ip_icmp.c
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+++ libslirp-4.3.0/src/ip_icmp.c
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@@ -277,8 +277,8 @@ void icmp_send_error(struct mbuf *msrc, uint8_t type, uint8_t code, int minsize,
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ip = mtod(msrc, struct ip *);
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if (slirp_debug & DBG_MISC) {
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char bufa[20], bufb[20];
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- strcpy(bufa, inet_ntoa(ip->ip_src));
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- strcpy(bufb, inet_ntoa(ip->ip_dst));
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+ slirp_pstrcpy(bufa, sizeof(bufa), inet_ntoa(ip->ip_src));
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+ slirp_pstrcpy(bufb, sizeof(bufb), inet_ntoa(ip->ip_dst));
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DEBUG_MISC(" %.16s to %.16s", bufa, bufb);
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}
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if (ip->ip_off & IP_OFFMASK)
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--
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2.26.2
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From 961a676e93fe7d599d3856e63bd132fe0d2decb2 Mon Sep 17 00:00:00 2001
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From: Jindrich Novy <jnovy@redhat.com>
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Date: Wed, 27 May 2020 11:16:57 +0200
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Subject: [PATCH] Check lseek() for failure
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Error: CHECKED_RETURN (CWE-252): [#def26]
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libslirp-4.3.0/src/tftp.c:121: check_return: Calling "lseek(spt->fd, block_nr * spt->block_size, 0)" without checking return value. This library function may fail and return an error code.
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119|
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120| if (len) {
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121|-> lseek(spt->fd, block_nr * spt->block_size, SEEK_SET);
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122|
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123| bytes_read = read(spt->fd, buf, len);
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Signed-off-by: Jindrich Novy <jnovy@redhat.com>
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Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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---
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src/tftp.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/src/tftp.c b/src/tftp.c
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index c209145..c6950ee 100644
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--- libslirp-4.3.0/src/tftp.c
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+++ libslirp-4.3.0/src/tftp.c
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@@ -118,7 +118,9 @@ static int tftp_read_data(struct tftp_session *spt, uint32_t block_nr,
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}
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if (len) {
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- lseek(spt->fd, block_nr * spt->block_size, SEEK_SET);
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+ if (lseek(spt->fd, block_nr * spt->block_size, SEEK_SET) == (off_t)-1) {
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+ return -1;
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+ }
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bytes_read = read(spt->fd, buf, len);
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}
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--
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2.26.2
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From b0fc01a6b8cf6a50a1af69845cca692cc42dd970 Mon Sep 17 00:00:00 2001
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From: Jindrich Novy <jnovy@redhat.com>
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Date: Wed, 27 May 2020 11:18:36 +0200
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Subject: [PATCH] Be sure to initialize sockaddr structure
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Error: UNINIT (CWE-457): [#def30]
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libslirp-4.3.0/src/udp.c:325: var_decl: Declaring variable "addr" without initializer.
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libslirp-4.3.0/src/udp.c:342: uninit_use_in_call: Using uninitialized value "addr". Field "addr.sin_zero" is uninitialized when calling "bind".
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Signed-off-by: Jindrich Novy <jnovy@redhat.com>
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Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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---
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src/udp.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/src/udp.c b/src/udp.c
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index 9ed1e74..0ad44d7 100644
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--- libslirp-4.3.0/src/udp.c
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+++ libslirp-4.3.0/src/udp.c
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@@ -329,6 +329,7 @@ struct socket *udp_listen(Slirp *slirp, uint32_t haddr, unsigned hport,
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struct socket *so;
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socklen_t addrlen = sizeof(struct sockaddr_in);
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+ memset(&addr, 0, sizeof(addr));
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so = socreate(slirp);
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so->s = slirp_socket(AF_INET, SOCK_DGRAM, 0);
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if (so->s < 0) {
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--
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2.26.2
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@ -1,16 +1,12 @@
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Name: libslirp
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Version: 4.3.0
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Release: 3%{?dist}
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Version: 4.3.1
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Release: 1%{?dist}
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Summary: A general purpose TCP-IP emulator
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# check the SPDX tags in source files for details
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License: BSD and MIT
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URL: https://gitlab.freedesktop.org/slirp/%{name}
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Source0: %{url}/-/archive/v%{version}/%{name}-%{version}.tar.xz
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# related bug: https://bugzilla.redhat.com/show_bug.cgi?id=1821193
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# backported: https://gitlab.freedesktop.org/slirp/libslirp/-/merge_requests/41
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Patch0: libslirp-coverity.patch
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Source0: https://elmarco.fedorapeople.org/libslirp-%{version}.tar.xz
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BuildRequires: git-core
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BuildRequires: meson
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BuildRequires: gcc
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@ -55,6 +51,18 @@ developing applications that use %{name}.
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%changelog
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* Thu Jul 30 2020 Jindrich Novy <jnovy@redhat.com> - 4.3.1-1
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- update to https://gitlab.freedesktop.org/slirp/libslirp/-/releases/v4.3.1
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- Related: #1821193
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* Wed Jul 08 2020 Jindrich Novy <jnovy@redhat.com> - 4.3.0-5
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- replace patch for CVE-2020-10756 with dedicated upstream one
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- Related: #1821193
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* Fri Jul 03 2020 Jindrich Novy <jnovy@redhat.com> - 4.3.0-4
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- fix "CVE-2020-10756 QEMU: slirp: networking out-of-bounds read information disclosure vulnerability"
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- Related: #1821193
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* Thu May 28 2020 Jindrich Novy <jnovy@redhat.com> - 4.3.0-3
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- fix static analysis issues merged upstream
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(https://gitlab.freedesktop.org/slirp/libslirp/-/merge_requests/41)
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