Detections
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GLSA-201612-25 : CrackLib: Buffer overflow

high Nessus Plugin ID 95641

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Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-201612-25 (CrackLib: Buffer overflow)

 A stack-based buffer overflow was discovered in the FascistGecosUser function of lib/fascist.c.
 Impact :

 A local attacker could set a specially crafted GECOS field value in “/etc/passwd”; possibly resulting in the execution of arbitrary code with the privileges of the process, a Denial of Service condition, or the escalation of privileges.
 Workaround :

 There is no known workaround at this time.

Solution

All CrackLib users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=sys-libs/cracklib-2.9.6-r1'

See Also

https://security.gentoo.org/glsa/201612-25

Plugin Details

Severity: High

ID: 95641

File Name: gentoo_GLSA-201612-25.nasl

Version: 2.2

Type: local

Published: 12/8/2016

Updated: 1/11/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS v3

Risk Factor: High

Base Score: 7.8

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

Vulnerability Information

CPE: cpe:/o:gentoo:linux, p-cpe:/a:gentoo:linux:cracklib

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Patch Publication Date: 12/8/2016

Reference Information

CVE: CVE-2016-6318

GLSA: 201612-25