guix-play/gnu/packages/patches/rpm-CVE-2014-8118.patch
Leo Famulari 65da8dd01e
gnu: rpm: Fix CVE-2014-8118.
* gnu/packages/patches/rpm-CVE-2014-8118.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/package-management.scm (rpm): Use it.
2016-05-29 14:02:08 -04:00

26 lines
790 B
Diff

Fix CVE-2014-8118 (integer overflow allowing arbitrary remote code
execution via crafted CPIO header).
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8118
Source:
https://bugzilla.redhat.com/attachment.cgi?id=962159&action=diff
Adopted by Debian:
http://anonscm.debian.org/cgit/collab-maint/rpm.git/plain/debian/patches/CVE-2014-8118.patch
diff --git a/lib/cpio.c b/lib/cpio.c
index 253ff0f..600633a 100644
--- a/lib/cpio.c
+++ b/lib/cpio.c
@@ -399,6 +399,9 @@ int rpmcpioHeaderRead(rpmcpio_t cpio, char ** path, int * fx)
GET_NUM_FIELD(hdr.filesize, fsize);
GET_NUM_FIELD(hdr.namesize, nameSize);
+ if (nameSize <= 0 || nameSize > 4096) {
+ return RPMERR_BAD_HEADER;
+ }
char name[nameSize + 1];
read = Fread(name, nameSize, 1, cpio->fd);