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eabdullin 2024-05-15 07:53:39 +00:00
parent 2c41b96c33
commit eea79d70a2
3 changed files with 80 additions and 1 deletions
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32
SOURCES/0001-Fix-CVE-2023-43788-Out-of-bounds-read-in-XpmCreateXp.patch Normal file
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@ -0,0 +1,32 @@
From 2fa554b01ef6079a9b35df9332bdc4f139ed67e0 Mon Sep 17 00:00:00 2001
From: Alan Coopersmith <alan.coopersmith@oracle.com>
Date: Sat, 29 Apr 2023 17:50:39 -0700
Subject: [PATCH] Fix CVE-2023-43788: Out of bounds read in
XpmCreateXpmImageFromBuffer
When the test case for CVE-2022-46285 was run with the Address Sanitizer
enabled, it found an out-of-bounds read in ParseComment() when reading
from a memory buffer instead of a file, as it continued to look for the
closing comment marker past the end of the buffer.
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
---
lib/Xm/Xpmdata.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/Xm/Xpmdata.c b/lib/Xm/Xpmdata.c
index 7524e65..0b0f1f3 100644
--- a/lib/Xm/Xpmdata.c
+++ b/lib/Xm/Xpmdata.c
@@ -108,7 +108,7 @@ ParseComment(xpmData *data)
n++;
s2++;
} while (c == *s2 && *s2 != '\0' && c);
- if (*s2 == '\0') {
+ if (*s2 == '\0' || c == '\0') {
/* this is the end of the comment */
notend = 0;
mdata->cptr--;
--
2.41.0

36
SOURCES/0001-Fix-CVE-2023-43789-Out-of-bounds-read-on-XPM-with-co.patch Normal file
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@ -0,0 +1,36 @@
From 7e21cb63b9a1ca760a06cc4cd9b19bbc3fcd8f51 Mon Sep 17 00:00:00 2001
From: Alan Coopersmith <alan.coopersmith@oracle.com>
Date: Sat, 29 Apr 2023 18:30:34 -0700
Subject: [PATCH] Fix CVE-2023-43789: Out of bounds read on XPM with corrupted
colormap
Found with clang's libfuzzer
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
---
lib/Xm/Xpmdata.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/Xm/Xpmdata.c b/lib/Xm/Xpmdata.c
index 0b0f1f3..6e87455 100644
--- a/lib/Xm/Xpmdata.c
+++ b/lib/Xm/Xpmdata.c
@@ -259,13 +259,13 @@ xpmNextWord(
int c;
if (!mdata->type || mdata->type == XPMBUFFER) {
- while (isspace(c = *mdata->cptr) && c != mdata->Eos)
+ while ((c = *mdata->cptr) && isspace(c) && (c != mdata->Eos))
mdata->cptr++;
do {
c = *mdata->cptr++;
*buf++ = c;
n++;
- } while (!isspace(c) && c != mdata->Eos && n < buflen);
+ } while (c && !isspace(c) && (c != mdata->Eos) && (n < buflen));
n--;
mdata->cptr--;
} else {
--
2.41.0

13
SPECS/motif.spec
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@ -1,7 +1,7 @@
Summary: Run-time libraries and programs
Name: motif
Version: 2.3.4
Release: 27%{?dist}
Release: 28%{?dist}
License: LGPLv2+
Source: http://downloads.sf.net/motif/motif-%{version}-src.tgz
Source1: xmbind
@ -41,6 +41,11 @@ Patch48: motif-2.3.4-Fix-issues-with-Werror-format-security.patch
# rhbz#2125560
Patch55: 0001-EditresCom-Fix-build-with-modern-systems.patch
# CVE-2023-43788
Patch56: 0001-Fix-CVE-2023-43788-Out-of-bounds-read-in-XpmCreateXp.patch
# CVE-2023-43789
Patch57: 0001-Fix-CVE-2023-43789-Out-of-bounds-read-on-XPM-with-co.patch
Conflicts: lesstif <= 0.92.32-6
%description
@ -86,6 +91,8 @@ This package contains the static Motif libraries.
%patch53 -p1 -b .motifzone_1660
%patch54 -p1 -b .motifzone_1612
%patch55 -p1 -b .long_bit
%patch56 -p1 -b .cve-2023-43788
%patch57 -p1 -b .cve-2023-43789
%build
./autogen.sh
@ -135,6 +142,10 @@ rm -f %{buildroot}%{_libdir}/*.la
%{_libdir}/lib*.a
%changelog
* Mon Nov 27 2023 José Expósito <jexposit@redhat.com> - 2.3.4-28
- Fix CVE-2023-43788: out of bounds read in XpmCreateXpmImageFromBuffer()
- Fix CVE-2023-43789: out of bounds read on XPM with corrupted colormap
* Mon Sep 26 2022 Olivier Fourdan <ofourdan@redhat.com> - 2.3.4-27
- Fix LONG_BIT definition missing (rhbz#2125560)