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gentooGentoo FoundationGLSA-201312-08
HistoryDec 10, 2013 - 12:00 a.m.

WebP: User-assisted execution of arbitrary code

2013-12-1000:00:00
Gentoo Foundation
security.gentoo.org
30

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

EPSS

0.01

Percentile

83.9%

Background

WebP is a lossy image compression format.

Description

An integer overflow flaw has been found in WebP.

Impact

A remote attacker could entice a user to open a specially crafted image in an application linked against WebP, possibly resulting in execution of arbitrary code with the privileges of the process or a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All WebP users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=media-libs/libwebp-0.2.1"
OSVersionArchitecturePackageVersionFilename
Gentooanyallmedia-libs/libwebp< 0.2.1UNKNOWN

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

EPSS

0.01

Percentile

83.9%