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gentooGentoo FoundationGLSA-201701-10
HistoryJan 02, 2017 - 12:00 a.m.

libotr, Pidgin OTR: Remote execution of arbitrary code

2017-01-0200:00:00
Gentoo Foundation
security.gentoo.org
42

CVSS2

10

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

EPSS

0.098

Percentile

94.9%

Background

Pidgin Off-the-Record (OTR) messaging allows you to have private conversations over instant messaging. libotr is a portable off-the-record messaging library.

Description

Multiple vulnerabilities exist in both libotr and Pidgin OTR. Please review the CVE identifiers for more information.

Impact

A remote attacker could send a specially crafted message, possibly resulting in the execution of arbitrary code with the privileges of the process, or cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All libotr users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=net-libs/libotr-4.1.1"

All Pidgin OTR users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=x11-plugins/pidgin-otr-4.0.2"
OSVersionArchitecturePackageVersionFilename
Gentooanyallnet-libs/libotr< 4.1.1UNKNOWN
Gentooanyallx11-plugins/pidgin-otr< 4.0.2UNKNOWN

CVSS2

10

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

EPSS

0.098

Percentile

94.9%