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CVE-2014-0145

Published: 26 March 2014

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).

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
qemu-kvm
Launchpad, Ubuntu, Debian
lucid
Released (0.12.3+noroms-0ubuntu9.24)
precise
Released (1.0+noroms-0ubuntu14.17)
upstream Needs triage

quantal Ignored
(end of life)
saucy Does not exist

trusty Does not exist

Patches:




other: https://lists.gnu.org/archive/html/qemu-devel/2014-03/msg04994.html
qemu
Launchpad, Ubuntu, Debian
lucid Does not exist

precise Does not exist

quantal Does not exist

saucy Ignored
(end of life)
trusty Not vulnerable
(2.0.0~rc1+dfsg-0ubuntu3)
upstream
Released (1.7.2, 2.0)
Patches:
other: https://lists.gnu.org/archive/html/qemu-devel/2014-03/msg04994.html
upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=c165f7758009a4f793c1fc19ebb69cf55313450b
upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=c05e4667be91b46ab42b5a11babf8e84d476cc6b
upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=f0dce23475b5af5da6b17b97c1765271307734b6

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H