From 274d5713165acaf8ee3cfad052b59b3eb0a237da Mon Sep 17 00:00:00 2001 From: Leonardo Sandoval Date: Wed, 10 Jun 2015 14:55:14 +0000 Subject: rpm: Fix CVE-2014-8118 Backport patch to fix CVE-2014-8118. Description is on [1] and original patch taken from [2]. [1] https://bugzilla.redhat.com/show_bug.cgi?id=1168715 [2] https://bugzilla.redhat.com/attachment.cgi?id=962159 [YOCTO #7181] (From OE-Core rev: 0a1f924157cb75d0f67cf534762c89dc8656d352) (From OE-Core rev: e90be120d2751ac95c88abf7ba7bcac2c8fe7d0b) Signed-off-by: Leonardo Sandoval Signed-off-by: Richard Purdie --- .../rpm/rpm/rpm-CVE-2014-8118.patch | 43 ++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 meta/recipes-devtools/rpm/rpm/rpm-CVE-2014-8118.patch (limited to 'meta/recipes-devtools/rpm/rpm/rpm-CVE-2014-8118.patch') diff --git a/meta/recipes-devtools/rpm/rpm/rpm-CVE-2014-8118.patch b/meta/recipes-devtools/rpm/rpm/rpm-CVE-2014-8118.patch new file mode 100644 index 0000000000..bf1795ca49 --- /dev/null +++ b/meta/recipes-devtools/rpm/rpm/rpm-CVE-2014-8118.patch @@ -0,0 +1,43 @@ +From 71c812edf1431a9967bd99ba6ffa6ab89eb7ec7c Mon Sep 17 00:00:00 2001 +From: Leonardo Sandoval +Date: Wed, 10 Jun 2015 12:56:55 +0000 +Subject: [PATCH 1/2] rpm: CVE-2014-8118 + +Upstream-Status: Backport + +Reference: +https://bugzilla.redhat.com/show_bug.cgi?id=1168715 + +Description: +It was found that RPM could encounter an integer overflow, +leading to a stack-based overflow, while parsing a crafted +CPIO header in the payload section of an RPM file. This could +allow an attacker to modify signed RPM files in such a way that +they would execute code chosen by the attacker during package +installation. + +Original Patch: +https://bugzilla.redhat.com/attachment.cgi?id=962159 + +Signed-off-by: Leonardo Sandoval +--- + lib/cpio.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/lib/cpio.c b/lib/cpio.c +index 382eeb6..74ddd9c 100644 +--- a/lib/cpio.c ++++ b/lib/cpio.c +@@ -296,6 +296,9 @@ int rpmcpioHeaderRead(rpmcpio_t cpio, char ** path, struct stat * st) + st->st_rdev = makedev(major, minor); + + GET_NUM_FIELD(hdr.namesize, nameSize); ++ if (nameSize <= 0 || nameSize > 4096) { ++ return CPIOERR_BAD_HEADER; ++ } + + *path = xmalloc(nameSize + 1); + read = Fread(*path, nameSize, 1, cpio->fd); +-- +1.8.4.5 + -- cgit v1.2.3-54-g00ecf