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gentooGentoo FoundationGLSA-201701-21
HistoryJan 11, 2017 - 12:00 a.m.

Expat: Multiple vulnerabilities

2017-01-1100:00:00
Gentoo Foundation
security.gentoo.org
43

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.032

Percentile

91.3%

Background

Expat is a set of XML parsing libraries.

Description

Multiple vulnerabilities have been discovered in Expat. Please review the CVE identifiers referenced below for details.

Impact

A remote attacker, by enticing a user to process a specially crafted XML file, could execute arbitrary code with the privileges of the process or cause a Denial of Service condition. This attack could also be used against automated systems that arbitrarily process XML files.

Workaround

There is no known workaround at this time.

Resolution

All Expat users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=dev-libs/expat-2.2.0-r1"
OSVersionArchitecturePackageVersionFilename
Gentooanyalldev-libs/expat<Β 2.2.0-r1UNKNOWN

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.032

Percentile

91.3%