CVE-2012-4025 - Surreptitious Injections

Description

Integer overflow in the queue_init function in unsquashfs.c in unsquashfs in Squashfs 4.2 and earlier allows remote attackers to execute arbitrary code via a crafted block_log field in the superblock of a .sqsh file leading to a heap-based buffer overflow.

Reference

http://www.osvdb.org/83899 http://sourceforge.net/mailarchive/forum.php?thread_name=CAAoG81HL9oP8roPLLhftTSXTzSD%2BZcR66PRkVU%3Df76W3Mjde_w%40mail.gmail.com&forum_name=squashfs-devel http://www.openwall.com/lists/oss-security/2012/07/19/6 https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0001 http://www.mandriva.com/security/advisories?name=MDVSA-2013:128 https://security.gentoo.org/glsa/201612-40 http://www.securityfocus.com/bid/54610