Buffer overflow in QEMU - CVE-2014-0145
Published: August 10, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU38474
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2014-0145
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: QEMU
Affected software:
QEMU
QEMU
Detailed vulnerability description
The vulnerability allows a local authenticated user to execute arbitrary code.
Multiple buffer overflows in QEMU before 1.7.2 and 2.x before 2.0.0, allow local users to cause a denial of service (crash) or possibly execute arbitrary code via a large (1) L1 table in the qcow2_snapshot_load_tmp in the QCOW 2 block driver (block/qcow2-snapshot.c) or (2) uncompressed chunk, (3) chunk length, or (4) number of sectors in the DMG block driver (block/dmg.c).
How to mitigate CVE-2014-0145
Install update from vendor's website.
Sources
- http://git.qemu.org/?p=qemu.git;a=commit;h=c05e4667be91b46ab42b5a11babf8e84d476cc6b
- http://git.qemu.org/?p=qemu.git;a=commit;h=f0dce23475b5af5da6b17b97c1765271307734b6
- http://git.qemu.org/?p=qemu.git;a=commitdiff;h=c165f7758009a4f793c1fc19ebb69cf55313450b
- http://rhn.redhat.com/errata/RHSA-2014-0420.html
- http://rhn.redhat.com/errata/RHSA-2014-0421.html
- http://www.debian.org/security/2014/dsa-3044
- http://www.openwall.com/lists/oss-security/2014/03/26/8
- https://bugzilla.redhat.com/show_bug.cgi?id=1078885
- https://lists.gnu.org/archive/html/qemu-devel/2014-03/msg04994.html