Openswan < 2.6.37 Cryptographic Helper Use-After-Free Remote DoS

medium Nessus Plugin ID 81053

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Synopsis

The remote host is affected by a remote denial of service vulnerability.

Description

The remote host is running a version of Openswan prior to version 2.6.37. It is, therefore, affected by a remote denial of service vulnerability due to a use-after-free flaw in the cryptographic helper handler. A remote attacker can exploit this issue to cause a denial of service.

Solution

Upgrade to Openswan version 2.6.37 or later.

Plugin Details

Severity: Medium

ID: 81053

File Name: openswan_ike_50440.nasl

Version: 1.5

Type: remote

Family: Misc.

Published: 1/28/2015

Updated: 7/17/2018

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

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

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.8

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:openswan:openswan

Exploit Ease: No known exploits are available

Patch Publication Date: 10/28/2011

Vulnerability Publication Date: 10/28/2011

Reference Information

CVE: CVE-2011-4073

BID: 50440

Detections

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