CVE-2014-0145
Vulnerability Summary
Timeline
Description
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).
CVSS Metrics
- v3.0•HIGH•Score: 7.8CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- v2.0•MEDIUM•Score: 4.6AV:L/AC:L/Au:N/C:P/I:P/A:P
EPSS Trends
Current EPSS score: 0.18%• Percentile: 39%
Techniques & Countermeasures
- CWE-119•Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
Affected Systems
- qemu•qemu
≤ 1.7.1 | 2.0.0:rc0 | 2.0.0:rc1 | 2.0.0:rc2 | 2.0.0:rc3
References (9)
- http://rhn.redhat.com/errata/RHSA-2014-0420.html
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=f0dce23475b5af5da6b17b97c1765271307734b6
- http://rhn.redhat.com/errata/RHSA-2014-0421.html
- https://lists.gnu.org/archive/html/qemu-devel/2014-03/msg04994.html
- http://www.debian.org/security/2014/dsa-3044
- http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=c165f7758009a4f793c1fc19ebb69cf55313450b
- https://bugzilla.redhat.com/show_bug.cgi?id=1078885
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=c05e4667be91b46ab42b5a11babf8e84d476cc6b
- http://www.openwall.com/lists/oss-security/2014/03/26/8