Debian DLA-173-1 : putty security update

low Nessus Plugin ID 82158

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Synopsis

The remote Debian host is missing a security update.

Description

MATTA-2015-002

Florent Daigniere discovered that PuTTY did not enforce an acceptable range for the Diffie-Hellman server value, as required by RFC 4253, potentially allowing an eavesdroppable connection to be established in the event of a server weakness.

#779488 CVE-2015-2157

Patrick Coleman discovered that PuTTY did not clear SSH-2 private key information from memory when loading and saving key files, which could result in disclosure of private key material.

-- Colin Watson [[email protected]]

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected packages.

Plugin Details

Severity: Low

ID: 82158

File Name: debian_DLA-173.nasl

Version: 1.6

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 3/26/2015

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: Low

Score: 1.4

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:pterm, p-cpe:/a:debian:debian_linux:putty, p-cpe:/a:debian:debian_linux:putty-doc, p-cpe:/a:debian:debian_linux:putty-tools, cpe:/o:debian:debian_linux:6.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/15/2015

Reference Information

CVE: CVE-2015-2157

BID: 72825

Detections

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