CVE-2014-0145

MEDIUM

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).

References

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

Details

Source: MITRE

Published: 2017-08-10

Updated: 2017-11-04

Type: CWE-119

Risk Information

CVSS v2.0

Base Score: 4.6

Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3.0

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH