Debian DSA-2730-1 : gnupg - information leak

low Nessus Plugin ID 69108

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Synopsis

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

Description

Yarom and Falkner discovered that RSA secret keys could be leaked via a side channel attack, where a malicious local user could obtain private key information from another user on the system.

This update fixes this issue for the 1.4 series of GnuPG. GnuPG 2.x is affected through its use of the libgcrypt11 library, a fix for which will be published in DSA 2731.

Solution

Upgrade the gnupg packages.

For the oldstable distribution (squeeze), this problem has been fixed in version 1.4.10-4+squeeze2.

For the stable distribution (wheezy), this problem has been fixed in version 1.4.12-7+deb7u1.

Plugin Details

Severity: Low

ID: 69108

File Name: debian_DSA-2730.nasl

Version: 1.12

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 7/30/2013

Updated: 1/11/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, 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:gnupg, 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: 2730

Detections

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