CVE-2013-1773

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    CVE-2013-1773

    Published: 28 Feb 2013Last Modified: 10 Apr 2026

    Summary:

    Details: Buffer overflow in the VFAT filesystem implementation in the Linux kernel before 3.3 allows local users to gain privileges or cause a denial of service (system crash) via a VFAT write operation on a filesystem with the utf8 mount option, which is not properly handled during UTF-8 to UTF-16 conversion.

    References: http://rhn.redhat.com/errata/RHSA-2013-0744.html, http://rhn.redhat.com/errata/RHSA-2013-0928.html, http://rhn.redhat.com/errata/RHSA-2013-1026.html, https://github.com/torvalds/linux/commit/0720a06a7518c9d0c0125bd5d1f3b6264c55c3dd, https://bugzilla.redhat.com/show_bug.cgi?id=916115, http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0720a06a7518c9d0c0125bd5d1f3b6264c55c3dd, http://www.exploit-db.com/exploits/23248/, http://www.kernel.org/pub/linux/kernel/v3.x/patch-3.3.bz2, http://www.openwall.com/lists/oss-security/2013/02/26/8, http://www.osvdb.org/88310, http://www.securityfocus.com/bid/58200

    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