openSUSE Security Update: Security update for dosfstools ______________________________________________________________________________ Announcement ID: openSUSE-SU-2016:2233-1 Rating: moderate References: #912607 #980364 #980377 Cross-References: CVE-2015-8872 CVE-2016-4804 Affected Products: openSUSE Leap 42.1 ______________________________________________________________________________ An update that solves two vulnerabilities and has one errata is now available. Description: dosfstools was updated to fix two security issues. These security issues were fixed: - CVE-2015-8872: The set_fat function in fat.c in dosfstools might have allowed attackers to corrupt a FAT12 filesystem or cause a denial of service (invalid memory read and crash) by writing an odd number of clusters to the third to last entry on a FAT12 filesystem, which triggers an "off-by-two error (bsc#980364). - CVE-2016-4804: The read_boot function in boot.c in dosfstools allowed attackers to cause a denial of service (crash) via a crafted filesystem, which triggers a heap-based buffer overflow in the (1) read_fat function or an out-of-bounds heap read in (2) get_fat function (bsc#980377). This non-security issue was fixed: - bsc#912607: Attempt to rename root dir in fsck due to uninitialized fields. This update was imported from the SUSE:SLE-12:Update update project. Patch Instructions: To install this openSUSE Security Update use YaST online_update. Alternatively you can run the command listed for your product: - openSUSE Leap 42.1: zypper in -t patch openSUSE-2016-1045=1 To bring your system up-to-date, use "zypper patch". Package List: - openSUSE Leap 42.1 (i586 x86_64): dosfstools-3.0.26-9.1 dosfstools-debuginfo-3.0.26-9.1 dosfstools-debugsource-3.0.26-9.1 References: https://www.suse.com/security/cve/CVE-2015-8872.html https://www.suse.com/security/cve/CVE-2016-4804.html https://bugzilla.suse.com/912607 https://bugzilla.suse.com/980364 https://bugzilla.suse.com/980377