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Debian DSA-3256-1 : libtasn1-6 - security update

medium Nessus Plugin ID 83308

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Synopsis

The remote Debian host is missing a security-related update.

Description

Hanno Boeck discovered a heap-based buffer overflow flaw in the way Libtasn1, a library to manage ASN.1 structures, decoded certain DER-encoded input. A specially crafted DER-encoded input could cause an application using the Libtasn1 library to crash, or potentially to execute arbitrary code.

Solution

Upgrade the libtasn1-6 packages.

For the stable distribution (jessie), this problem has been fixed in version 4.2-3+deb8u1.

See Also

https://packages.debian.org/source/jessie/libtasn1-6

https://www.debian.org/security/2015/dsa-3256

Plugin Details

Severity: Medium

ID: 83308

File Name: debian_DSA-3256.nasl

Version: 2.8

Type: local

Agent: unix

Published: 5/11/2015

Updated: 1/11/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libtasn1-6, cpe:/o:debian:debian_linux:8.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 5/10/2015

Reference Information

CVE: CVE-2015-3622

BID: 74419

DSA: 3256