vapier 15/07/06 16:37:06
Added: libpcre-8.37-CVE-2015-3210.patch
libpcre-8.37-CVE-2015-5073.patch
Log:
Add backport from upstream for CVE-2015-3210 #551240 by Thomas D. Add
backport from upstream for CVE-2015-5073 #553300 by Agostino Sarubbo.
(Portage version: 2.2.20/cvs/Linux x86_64, signed Manifest commit with key
D2E96200)
Revision Changes Path
1.1 dev-libs/libpcre/files/libpcre-8.37-CVE-2015-3210.patch
file :
http://sources.gentoo.org/viewvc.cgi/gentoo-x86/dev-libs/libpcre/files/libpcre-8.37-CVE-2015-3210.patch?rev=1.1&view=markup
plain:
http://sources.gentoo.org/viewvc.cgi/gentoo-x86/dev-libs/libpcre/files/libpcre-8.37-CVE-2015-3210.patch?rev=1.1&content-type=text/plain
Index: libpcre-8.37-CVE-2015-3210.patch
===================================================================
https://bugs.exim.org/show_bug.cgi?id=1636
https://bugs.gentoo.org/551240
https://bugzilla.redhat.com/1236659
>From 68ff1beb43bb3d4d8838f3285c97023d1e50513a Mon Sep 17 00:00:00 2001
From: ph10 <ph10@2f5784b3-3f2a-0410-8824-cb99058d5e15>
Date: Fri, 15 May 2015 17:17:03 +0000
Subject: [PATCH] Fix buffer overflow for named recursive back reference when
the name is duplicated.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Upstream commit ported to pcre-8.37:
commit 4b79af6b4cbeb5326ae5e4d83f3e935e00286c19
Author: ph10 <ph10@2f5784b3-3f2a-0410-8824-cb99058d5e15>
Date: Fri May 15 17:17:03 2015 +0000
Fix buffer overflow for named recursive back reference when the name is
duplicated.
git-svn-id: svn://vcs.exim.org/pcre/code/trunk@1558
2f5784b3-3f2a-0410-8824-cb99058d5e15
This fixes CVE-2015-3210.
Signed-off-by: Petr Písař <[email protected]>
---
pcre_compile.c | 16 ++++++++++++++--
testdata/testinput2 | 2 ++
testdata/testoutput2 | 2 ++
3 files changed, 18 insertions(+), 2 deletions(-)
diff --git a/pcre_compile.c b/pcre_compile.c
index 0efad26..6f06912 100644
--- a/pcre_compile.c
+++ b/pcre_compile.c
@@ -7173,14 +7173,26 @@ for (;; ptr++)
number. If the name is not found, set the value to 0 for a forward
reference. */
+ recno = 0;
ng = cd->named_groups;
for (i = 0; i < cd->names_found; i++, ng++)
{
if (namelen == ng->length &&
STRNCMP_UC_UC(name, ng->name, namelen) == 0)
- break;
+ {
+ open_capitem *oc;
+ recno = ng->number;
+ if (is_recurse) break;
+ for (oc = cd->open_caps; oc != NULL; oc = oc->next)
+ {
+ if (oc->number == recno)
+ {
+ oc->flag = TRUE;
+ break;
+ }
+ }
+ }
}
- recno = (i < cd->names_found)? ng->number : 0;
/* Count named back references. */
diff --git a/testdata/testinput2 b/testdata/testinput2
index 58fe53b..83bb471 100644
--- a/testdata/testinput2
+++ b/testdata/testinput2
@@ -4152,4 +4152,6 @@ backtracking verbs. --/
/((?2){73}(?2))((?1))/
+"(?J)(?'d'(?'d'\g{d}))"
+
/-- End of testinput2 --/
diff --git a/testdata/testoutput2 b/testdata/testoutput2
index b718df0..7dff52a 100644
--- a/testdata/testoutput2
+++ b/testdata/testoutput2
@@ -14423,4 +14423,6 @@ Failed: lookbehind assertion is not fixed length at
offset 17
/((?2){73}(?2))((?1))/
+"(?J)(?'d'(?'d'\g{d}))"
+
/-- End of testinput2 --/
--
2.4.3
1.1 dev-libs/libpcre/files/libpcre-8.37-CVE-2015-5073.patch
file :
http://sources.gentoo.org/viewvc.cgi/gentoo-x86/dev-libs/libpcre/files/libpcre-8.37-CVE-2015-5073.patch?rev=1.1&view=markup
plain:
http://sources.gentoo.org/viewvc.cgi/gentoo-x86/dev-libs/libpcre/files/libpcre-8.37-CVE-2015-5073.patch?rev=1.1&content-type=text/plain
Index: libpcre-8.37-CVE-2015-5073.patch
===================================================================
https://bugs.exim.org/show_bug.cgi?id=1651
https://bugs.gentoo.org/553300
https://bugzilla.redhat.com/1237224
>From 354e1f8e921dcb9cf2f3a5eac93cd826d01a7d8a Mon Sep 17 00:00:00 2001
From: ph10 <ph10@2f5784b3-3f2a-0410-8824-cb99058d5e15>
Date: Tue, 23 Jun 2015 16:34:53 +0000
Subject: [PATCH] Fix buffer overflow for forward reference within backward
assertion with excess closing parenthesis. Bugzilla 1651.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This is upstream commit ported to 8.37:
commit 764692f9aea9eab50fdba6cb537441d8b34c6c37
Author: ph10 <ph10@2f5784b3-3f2a-0410-8824-cb99058d5e15>
Date: Tue Jun 23 16:34:53 2015 +0000
Fix buffer overflow for forward reference within backward assertion with
excess
closing parenthesis. Bugzilla 1651.
git-svn-id: svn://vcs.exim.org/pcre/code/trunk@1571
2f5784b3-3f2a-0410-8824-cb99058d5e15
It fixes CVE-2015-5073.
Signed-off-by: Petr Písař <[email protected]>
---
pcre_compile.c | 2 +-
testdata/testinput2 | 2 ++
testdata/testoutput2 | 3 +++
3 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/pcre_compile.c b/pcre_compile.c
index 6f06912..b66b1f6 100644
--- a/pcre_compile.c
+++ b/pcre_compile.c
@@ -9392,7 +9392,7 @@ OP_RECURSE that are not fixed length get a diagnosic with
a useful offset. The
exceptional ones forgo this. We scan the pattern to check that they are fixed
length, and set their lengths. */
-if (cd->check_lookbehind)
+if (errorcode == 0 && cd->check_lookbehind)
{
pcre_uchar *cc = (pcre_uchar *)codestart;
diff --git a/testdata/testinput2 b/testdata/testinput2
index 83bb471..5cc9ce6 100644
--- a/testdata/testinput2
+++ b/testdata/testinput2
@@ -4154,4 +4154,6 @@ backtracking verbs. --/
"(?J)(?'d'(?'d'\g{d}))"
+/(?=di(?<=(?1))|(?=(.))))/
+
/-- End of testinput2 --/
diff --git a/testdata/testoutput2 b/testdata/testoutput2
index 7dff52a..4decb8d 100644
--- a/testdata/testoutput2
+++ b/testdata/testoutput2
@@ -14425,4 +14425,7 @@ Failed: lookbehind assertion is not fixed length at
offset 17
"(?J)(?'d'(?'d'\g{d}))"
+/(?=di(?<=(?1))|(?=(.))))/
+Failed: unmatched parentheses at offset 23
+
/-- End of testinput2 --/
--
2.4.3
