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List:       openembedded-core
Subject:    [OE-core] [jethro-next 1/8] dpkg: Security fix CVE-2015-0860
From:       akuster808 () gmail ! com (Armin Kuster)
Date:       2016-01-31 19:53:07
Message-ID: 12691e655f71ca78b603fc6009d8dccd5b0ae7bf.1454255704.git.akuster () mvista ! com
[Download RAW message or body]

From: Armin Kuster <akuster at mvista.com>

CVE-2015-0860 dpkg: stack overflows and out of bounds read

Signed-off-by: Armin Kuster <akuster at mvista.com>
---
 .../recipes-devtools/dpkg/dpkg/CVE-2015-0860.patch | 52 ++++++++++++++++++++++
 meta/recipes-devtools/dpkg/dpkg_1.18.2.bb          |  1 +
 2 files changed, 53 insertions(+)
 create mode 100644 meta/recipes-devtools/dpkg/dpkg/CVE-2015-0860.patch

diff --git a/meta/recipes-devtools/dpkg/dpkg/CVE-2015-0860.patch \
b/meta/recipes-devtools/dpkg/dpkg/CVE-2015-0860.patch new file mode 100644
index 0000000..1f259d3
--- /dev/null
+++ b/meta/recipes-devtools/dpkg/dpkg/CVE-2015-0860.patch
@@ -0,0 +1,52 @@
+From f1aac7d933819569bf6f347c3c0d5a64a90bbce0 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Hanno Böck?= <hanno at hboeck.de>
+Date: Thu, 19 Nov 2015 20:03:10 +0100
+Subject: [PATCH] dpkg-deb: Fix off-by-one write access on ctrllenbuf variable
+
+This affects old format .deb packages.
+
+Fixes: CVE-2015-0860
+Warned-by: afl
+Signed-off-by: Guillem Jover <guillem at debian.org>
+
+Upstream-Status: Backport
+
+https://anonscm.debian.org/cgit/dpkg/dpkg.git/commit/?h=wheezy&idñaac7d933819569bf6f347c3c0d5a64a90bbce0
 +
+CVE: CVE-2015-0860
+
+hand merge Changelog
+
+Signed-off-by: Armin Kuster <akuster at mvista.com>
+
+---
+ debian/changelog   | 3 +++
+ dpkg-deb/extract.c | 2 +-
+ 2 files changed, 4 insertions(+), 1 deletion(-)
+
+Index: dpkg-1.18.2/dpkg-deb/extract.c
+==================================================================+--- \
dpkg-1.18.2.orig/dpkg-deb/extract.c ++++ dpkg-1.18.2/dpkg-deb/extract.c
+@@ -247,7 +247,7 @@ extracthalf(const char *debar, const cha
+     if (errstr)
+       ohshit(_("archive has invalid format version: %s"), errstr);
+
+-    r = read_line(arfd, ctrllenbuf, 1, sizeof(ctrllenbuf));
++    r = read_line(arfd, ctrllenbuf, 1, sizeof(ctrllenbuf) - 1);
+     if (r < 0)
+       read_fail(r, debar, _("archive control member size"));
+     if (sscanf(ctrllenbuf, "%jd%c%d", &ctrllennum, &nlc, &dummy) != 2 ||
+Index: dpkg-1.18.2/ChangeLog
+==================================================================+--- \
dpkg-1.18.2.orig/ChangeLog ++++ dpkg-1.18.2/ChangeLog
+@@ -1,3 +1,8 @@
++[ Guillem Jover ]
++  * Fix an off-by-one write access in dpkg-deb when parsing the old format
++    .deb control member size. Thanks to Hanno B??ck <hanno at hboeck.de>.
++    Fixes CVE-2015-0860.
++
+ commit 5459d330c73cdcfd1327bc93c0ebddc2da4a3a3a (HEAD -> master, tag: 1.18.2)
+ Author: Guillem Jover <guillem at debian.org>
+ Date:   Mon Aug 3 15:41:05 2015 +0200
diff --git a/meta/recipes-devtools/dpkg/dpkg_1.18.2.bb \
b/meta/recipes-devtools/dpkg/dpkg_1.18.2.bb index 4c3fa4f..2fc096d 100644
--- a/meta/recipes-devtools/dpkg/dpkg_1.18.2.bb
+++ b/meta/recipes-devtools/dpkg/dpkg_1.18.2.bb
@@ -12,6 +12,7 @@ SRC_URI += "file://noman.patch \
 	    file://0003-Our-pre-postinsts-expect-D-to-be-set-when-running-in.patch \
 	    file://0004-The-lutimes-function-doesn-t-work-properly-for-all-s.patch \
 	    file://0005-dpkg-compiler.m4-remove-Wvla.patch \
+        file://CVE-2015-0860.patch \
            "

 SRC_URI[md5sum] = "63b9d869081ec49adeef6c5ff62d6576"
--
2.3.5


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