Debian DSA-3962-1 : strongswan - security update

high Nessus Plugin ID 102929

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Synopsis

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

Description

A denial of service vulnerability was identified in strongSwan, an IKE/IPsec suite, using Google's OSS-Fuzz fuzzing project.

The gmp plugin in strongSwan had insufficient input validation when verifying RSA signatures. This coding error could lead to a NULL pointer dereference, leading to process crash.

Solution

Upgrade the strongswan packages.

For the oldstable distribution (jessie), this problem has been fixed in version 5.2.1-6+deb8u5.

For the stable distribution (stretch), this problem has been fixed in version 5.5.1-4+deb9u1.

Plugin Details

Severity: High

ID: 102929

File Name: debian_DSA-3962.nasl

Version: 3.4

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 9/5/2017

Updated: 1/4/2021

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

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

CVSS v3

Risk Factor: High

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:strongswan, cpe:/o:debian:debian_linux:8.0, cpe:/o:debian:debian_linux:9.0

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

Patch Publication Date: 9/3/2017

Reference Information

CVE: CVE-2017-11185

DSA: 3962

Detections

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