Debian DSA-2731-1 : libgcrypt11 - information leak

low Nessus Plugin ID 69109

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Synopsis

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

Description

Yarom and Falkner discovered that RSA secret keys in applications using the libgcrypt11 library, for example GnuPG 2.x, could be leaked via a side channel attack, where a malicious local user could obtain private key information from another user on the system.

Solution

Upgrade the libgcrypt11 packages.

For the oldstable distribution (squeeze), this problem has been fixed in version 1.4.5-2+squeeze1.

For the stable distribution (wheezy), this problem has been fixed in version 1.5.0-5+deb7u1.

Plugin Details

Severity: Low

ID: 69109

File Name: debian_DSA-2731.nasl

Version: 1.12

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 7/30/2013

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

CVSS v2

Risk Factor: Low

Base Score: 1.9

Temporal Score: 1.4

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libgcrypt11, cpe:/o:debian:debian_linux:6.0, cpe:/o:debian:debian_linux:7.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/29/2013

Reference Information

CVE: CVE-2013-4242

BID: 61464

DSA: 2731

Detections

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