CVE-2012-4025

    Dashboard / Vulnerabilities / CVE-2012-4025

    CVE-2012-4025

    Published: 19 Jul 2012Last Modified: 10 Apr 2026

    Summary:

    Details: 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.

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

    Affected packages

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High