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GLSA-201202-05 : Heimdal: Arbitrary code execution

critical Nessus Plugin ID 58101

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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-201202-05 (Heimdal: Arbitrary code execution)

 A boundary error in the 'encrypt_keyid()' function in appl/telnet/libtelnet/encrypt.c of the telnet daemon and client could cause a buffer overflow.
 Impact :

 An unauthenticated remote attacker may be able to execute arbitrary code with the privileges of the user running the telnet daemon or client, or cause Denial of Service.
 Workaround :

 There is no known workaround at this time.

Solution

All Heimdal users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=app-crypt/heimdal-1.5.1-r1'

See Also

https://security.gentoo.org/glsa/201202-05

Plugin Details

Severity: Critical

ID: 58101

File Name: gentoo_GLSA-201202-05.nasl

Version: 1.14

Type: local

Published: 2/23/2012

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.4

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.3

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

Vulnerability Information

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

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/22/2012

Exploitable With

Core Impact

Metasploit (Linux BSD-derived Telnet Service Encryption Key ID Buffer Overflow)

ExploitHub (EH-11-760)

Reference Information

CVE: CVE-2011-4862

BID: 51182

GLSA: 201202-05