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openssh/openssh-6.7p1-coverity.patch
Dmitry Belyavskiy 07172f36c4 Update to OpenSSH 9.9p1 
Resolves: RHEL-60564
2024-10-10 12:30:39 +02:00

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diff -up openssh-8.5p1/auth-krb5.c.coverity openssh-8.5p1/auth-krb5.c
--- openssh-8.5p1/auth-krb5.c.coverity 2021-03-24 12:03:33.724967756 +0100
+++ openssh-8.5p1/auth-krb5.c 2021-03-24 12:03:33.782968159 +0100
@@ -426,6 +426,7 @@ ssh_krb5_cc_new_unique(krb5_context ctx,
umask(old_umask);
if (tmpfd == -1) {
logit("mkstemp(): %.100s", strerror(oerrno));
+ free(ccname);
return oerrno;
}
@@ -433,6 +434,7 @@ ssh_krb5_cc_new_unique(krb5_context ctx,
oerrno = errno;
logit("fchmod(): %.100s", strerror(oerrno));
close(tmpfd);
+ free(ccname);
return oerrno;
}
/* make sure the KRB5CCNAME is set for non-standard location */
diff -up openssh-8.5p1/gss-genr.c.coverity openssh-8.5p1/gss-genr.c
--- openssh-8.5p1/gss-genr.c.coverity 2021-03-26 11:52:46.613942552 +0100
+++ openssh-8.5p1/gss-genr.c 2021-03-26 11:54:37.881726318 +0100
@@ -167,8 +167,9 @@ ssh_gssapi_kex_mechs(gss_OID_set gss_sup
enclen = __b64_ntop(digest,
ssh_digest_bytes(SSH_DIGEST_MD5), encoded,
ssh_digest_bytes(SSH_DIGEST_MD5) * 2);
-
+#pragma GCC diagnostic ignored "-Wstringop-overflow"
cp = strncpy(s, kex, strlen(kex));
+#pragma GCC diagnostic pop
for ((p = strsep(&cp, ",")); p && *p != '\0';
(p = strsep(&cp, ","))) {
if (sshbuf_len(buf) != 0 &&
diff -up openssh-8.5p1/krl.c.coverity openssh-8.5p1/krl.c
--- openssh-8.5p1/krl.c.coverity 2021-03-02 11:31:47.000000000 +0100
+++ openssh-8.5p1/krl.c 2021-03-24 12:03:33.783968166 +0100
@@ -1261,6 +1262,7 @@ is_key_revoked(struct ssh_krl *krl, cons
return r;
erb = RB_FIND(revoked_blob_tree, &krl->revoked_sha1s, &rb);
free(rb.blob);
+ rb.blob = NULL; /* make coverity happy */
if (erb != NULL) {
KRL_DBG(("revoked by key SHA1"));
return SSH_ERR_KEY_REVOKED;
@@ -1271,6 +1273,7 @@ is_key_revoked(struct ssh_krl *krl, cons
return r;
erb = RB_FIND(revoked_blob_tree, &krl->revoked_sha256s, &rb);
free(rb.blob);
+ rb.blob = NULL; /* make coverity happy */
if (erb != NULL) {
KRL_DBG(("revoked by key SHA256"));
return SSH_ERR_KEY_REVOKED;
@@ -1282,6 +1285,7 @@ is_key_revoked(struct ssh_krl *krl, cons
return r;
erb = RB_FIND(revoked_blob_tree, &krl->revoked_keys, &rb);
free(rb.blob);
+ rb.blob = NULL; /* make coverity happy */
if (erb != NULL) {
KRL_DBG(("revoked by explicit key"));
return SSH_ERR_KEY_REVOKED;
diff -up openssh-8.5p1/loginrec.c.coverity openssh-8.5p1/loginrec.c
--- openssh-8.5p1/loginrec.c.coverity 2021-03-24 13:18:53.793225885 +0100
+++ openssh-8.5p1/loginrec.c 2021-03-24 13:21:27.948404751 +0100
@@ -690,9 +690,11 @@ construct_utmp(struct logininfo *li,
*/
/* Use strncpy because we don't necessarily want null termination */
+ /* coverity[buffer_size_warning : FALSE] */
strncpy(ut->ut_name, li->username,
MIN_SIZEOF(ut->ut_name, li->username));
# ifdef HAVE_HOST_IN_UTMP
+ /* coverity[buffer_size_warning : FALSE] */
strncpy(ut->ut_host, li->hostname,
MIN_SIZEOF(ut->ut_host, li->hostname));
# endif
diff -up openssh-8.5p1/misc.c.coverity openssh-8.5p1/misc.c
--- openssh-8.5p1/misc.c.coverity 2021-03-24 12:03:33.745967902 +0100
+++ openssh-8.5p1/misc.c 2021-03-24 13:31:47.037079617 +0100
@@ -1425,6 +1425,8 @@ sanitise_stdfd(void)
}
if (nullfd > STDERR_FILENO)
close(nullfd);
+ /* coverity[leaked_handle : FALSE]*/
+ /* coverity[leaked_handle : FALSE]*/
}
char *
@@ -2511,6 +2513,7 @@ stdfd_devnull(int do_stdin, int do_stdou
}
if (devnull > STDERR_FILENO)
close(devnull);
+ /* coverity[leaked_handle : FALSE]*/
return ret;
}
diff -up openssh-7.4p1/monitor.c.coverity openssh-7.4p1/monitor.c
--- openssh-7.4p1/monitor.c.coverity 2016-12-23 16:40:26.888788688 +0100
+++ openssh-7.4p1/monitor.c 2016-12-23 16:40:26.900788691 +0100
@@ -411,7 +411,7 @@ monitor_child_preauth(Authctxt *_authctx
mm_get_keystate(ssh, pmonitor);
/* Drain any buffered messages from the child */
- while (pmonitor->m_log_recvfd != -1 && monitor_read_log(pmonitor) == 0)
+ while (pmonitor->m_log_recvfd >= 0 && monitor_read_log(pmonitor) == 0)
;
if (pmonitor->m_recvfd >= 0)
@@ -1678,7 +1678,7 @@ mm_answer_pty(struct ssh *ssh, int sock,
s->ptymaster = s->ptyfd;
debug3_f("tty %s ptyfd %d", s->tty, s->ttyfd);
-
+ /* coverity[leaked_handle : FALSE] */
return (0);
error:
diff -up openssh-7.4p1/openbsd-compat/bindresvport.c.coverity openssh-7.4p1/openbsd-compat/bindresvport.c
--- openssh-7.4p1/openbsd-compat/bindresvport.c.coverity 2016-12-19 05:59:41.000000000 +0100
+++ openssh-7.4p1/openbsd-compat/bindresvport.c 2016-12-23 16:40:26.901788691 +0100
@@ -58,7 +58,7 @@ bindresvport_sa(int sd, struct sockaddr
struct sockaddr_in6 *in6;
u_int16_t *portp;
u_int16_t port;
- socklen_t salen;
+ socklen_t salen = sizeof(struct sockaddr_storage);
int i;
if (sa == NULL) {
diff -up openssh-8.7p1/openbsd-compat/bsd-pselect.c.coverity openssh-8.7p1/openbsd-compat/bsd-pselect.c
--- openssh-8.7p1/openbsd-compat/bsd-pselect.c.coverity 2021-08-30 16:36:11.357288009 +0200
+++ openssh-8.7p1/openbsd-compat/bsd-pselect.c 2021-08-30 16:37:21.791897976 +0200
@@ -113,13 +113,13 @@ pselect_notify_setup(void)
static void
pselect_notify_parent(void)
{
- if (notify_pipe[1] != -1)
+ if (notify_pipe[1] >= 0)
(void)write(notify_pipe[1], "", 1);
}
static void
pselect_notify_prepare(fd_set *readset)
{
- if (notify_pipe[0] != -1)
+ if (notify_pipe[0] >= 0)
FD_SET(notify_pipe[0], readset);
}
static void
@@ -127,8 +127,8 @@ pselect_notify_done(fd_set *readset)
{
char c;
- if (notify_pipe[0] != -1 && FD_ISSET(notify_pipe[0], readset)) {
- while (read(notify_pipe[0], &c, 1) != -1)
+ if (notify_pipe[0] >= 0 && FD_ISSET(notify_pipe[0], readset)) {
+ while (read(notify_pipe[0], &c, 1) >= 0)
debug2_f("reading");
FD_CLR(notify_pipe[0], readset);
}
diff -up openssh-8.5p1/readconf.c.coverity openssh-8.5p1/readconf.c
--- openssh-8.5p1/readconf.c.coverity 2021-03-24 12:03:33.778968131 +0100
+++ openssh-8.5p1/readconf.c 2021-03-24 12:03:33.785968180 +0100
@@ -1847,6 +1847,7 @@ parse_pubkey_algos:
} else if (r != 0) {
error("%.200s line %d: glob failed for %s.",
filename, linenum, arg2);
+ free(arg2);
goto out;
}
free(arg2);
diff -up openssh-7.4p1/servconf.c.coverity openssh-7.4p1/servconf.c
--- openssh-7.4p1/servconf.c.coverity 2016-12-23 16:40:26.896788690 +0100
+++ openssh-7.4p1/servconf.c 2016-12-23 16:40:26.901788691 +0100
@@ -1638,8 +1638,9 @@ process_server_config_line(ServerOptions
if (*activep && *charptr == NULL) {
*charptr = tilde_expand_filename(arg, getuid());
/* increase optional counter */
- if (intptr != NULL)
- *intptr = *intptr + 1;
+ /* DEAD CODE intptr is still NULL ;)
+ if (intptr != NULL)
+ *intptr = *intptr + 1; */
}
break;
diff -up openssh-8.7p1/serverloop.c.coverity openssh-8.7p1/serverloop.c
--- openssh-8.7p1/serverloop.c.coverity 2021-08-20 06:03:49.000000000 +0200
+++ openssh-8.7p1/serverloop.c 2021-08-30 16:28:22.416226981 +0200
@@ -547,7 +547,7 @@ server_request_tun(struct ssh *ssh)
debug_f("invalid tun");
goto done;
}
- if (auth_opts->force_tun_device != -1) {
+ if (auth_opts->force_tun_device >= 0) {
if (tun != SSH_TUNID_ANY &&
auth_opts->force_tun_device != (int)tun)
goto done;
diff -up openssh-7.4p1/ssh-agent.c.coverity openssh-7.4p1/ssh-agent.c
--- openssh-7.4p1/ssh-agent.c.coverity 2016-12-19 05:59:41.000000000 +0100
+++ openssh-7.4p1/ssh-agent.c 2016-12-23 16:40:26.903788691 +0100
@@ -869,6 +869,7 @@ sanitize_pkcs11_provider(const char *pro
if (pkcs11_uri_parse(provider, uri) != 0) {
error("Failed to parse PKCS#11 URI");
+ pkcs11_uri_cleanup(uri);
return NULL;
}
/* validate also provider from URI */
diff -up openssh-7.4p1/sshd-session.c.coverity openssh-7.4p1/sshd-session.c
--- openssh-7.4p1/sshd-session.c.coverity 2016-12-23 16:40:26.897788690 +0100
+++ openssh-7.4p1/sshd-session.c 2016-12-23 16:40:26.904788692 +0100
@@ -691,8 +691,10 @@ privsep_preauth(Authctxt *authctxt)
privsep_preauth_child(ssh);
setproctitle("%s", "[net]");
- if (box != NULL)
+ if (box != NULL) {
ssh_sandbox_child(box);
+ free(box);
+ }
return 0;
}
@@ -2519,8 +2524,11 @@ do_ssh2_kex(struct ssh *ssh)
if (newstr)
myproposal[PROPOSAL_KEX_ALGS] = newstr;
- else
+ else {
fatal("No supported key exchange algorithms");
+ free(gss);
+ }
+ /* coverity[leaked_storage: FALSE]*/
}
#endif
diff -up openssh-8.5p1/ssh-keygen.c.coverity openssh-8.5p1/ssh-keygen.c
--- openssh-8.5p1/ssh-keygen.c.coverity 2021-03-24 12:03:33.780968145 +0100
+++ openssh-8.5p1/ssh-keygen.c 2021-03-24 12:03:33.787968194 +0100
@@ -2332,6 +2332,9 @@ update_krl_from_file(struct passwd *pw,
r = ssh_krl_revoke_key_sha256(krl, blob, blen);
if (r != 0)
fatal_fr(r, "revoke key failed");
+ freezero(blob, blen);
+ blob = NULL;
+ blen = 0;
} else {
if (strncasecmp(cp, "key:", 4) == 0) {
cp += 4;
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