From 5aaec01acc9e5a19374a566307a425d43c887f4b Mon Sep 17 00:00:00 2001 From: Armin Kuster Date: Sat, 30 Jan 2016 14:12:44 -0800 Subject: dpkg: Security fix CVE-2015-0860 CVE-2015-0860 dpkg: stack overflows and out of bounds read Signed-off-by: Armin Kuster --- .../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 0000000000..1f259d34db --- /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=20B=C3=B6ck?= +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 + +Upstream-Status: Backport + +https://anonscm.debian.org/cgit/dpkg/dpkg.git/commit/?h=wheezy&id=f1aac7d933819569bf6f347c3c0d5a64a90bbce0 + +CVE: CVE-2015-0860 + +hand merge Changelog + +Signed-off-by: Armin Kuster + +--- + 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 Böck . ++ Fixes CVE-2015-0860. ++ + commit 5459d330c73cdcfd1327bc93c0ebddc2da4a3a3a (HEAD -> master, tag: 1.18.2) + Author: Guillem Jover + 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 4c3fa4f395..2fc096db48 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" -- cgit 1.2.3-korg