Asterisk ast_parse_digest Function HTTP Digest Authentication String Parsing Remote Overflow (AST-2012-003)

critical Nessus Plugin ID 58433

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Synopsis

A telephony application running on the remote host is affected by a buffer overflow vulnerability.

Description

According to the version in its SIP banner, the version of Asterisk running on the remote host is potentially affected by a vulnerability that could allow a remote attacker to crash the server, or possibly inject arbitrary code by sending an arbitrarily long string value for HTTP Digest Authentication.

Solution

Upgrade to Asterisk 1.8.10.1 / 10.2.1 or apply the patches listed in the Asterisk advisory.

Plugin Details

Severity: Critical

ID: 58433

File Name: asterisk_ast_2012_003.nasl

Version: 1.16

Type: remote

Family: Misc.

Published: 3/22/2012

Updated: 4/11/2022

Configuration: Enable paranoid mode, Enable thorough checks

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.3

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

Vulnerability Information

CPE: cpe:/a:digium:asterisk

Required KB Items: Settings/ParanoidReport, asterisk/sip_detected

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/15/2012

Vulnerability Publication Date: 3/15/2012

Exploitable With

Core Impact

Reference Information

CVE: CVE-2012-1184

BID: 52815

Detections

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