Cisco PIX 500/ASA 5500 SIP denial of service

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Cisco PIX 500 and ASA 5500. This vulnerability affects unknown code of the component SIP Handler. The manipulation results in denial of service. This vulnerability is known as CVE-2007-0961. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Cisco PIX 500 and ASA 5500 (Firewall Software) (version unknown). It has been classified as critical. Affected is an unknown function of the component SIP Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

Cisco PIX 500 and ASA 5500 Series Security Appliances 6.x before 6.3(5.115), 7.0 before 7.0(5.2), and 7.1 before 7.1(2.5), and the FWSM 3.x before 3.1(3.24), when the "inspect sip" option is enabled, allows remote attackers to cause a denial of service (device reboot) via malformed SIP packets.

The weakness was published 02/15/2007 with Cisco (Website). The advisory is shared for download at cisco.com. This vulnerability is traded as CVE-2007-0961 since 02/15/2007. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

It is declared as proof-of-concept.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at cisco.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at X-Force (32487), SecurityFocus (BID 22561†), OSVDB (33054†), Secunia (SA24180†) and SecurityTracker (ID 1017651†). Similar entries are available at VDB-2944, VDB-35060, VDB-35059 and VDB-35058. Once again VulDB remains the best source for vulnerability data.

Productinfo

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: cisco.com

Timelineinfo

02/13/2007 🔍
02/14/2007 +0 days 🔍
02/14/2007 +0 days 🔍
02/15/2007 +1 days 🔍
02/15/2007 +0 days 🔍
02/15/2007 +0 days 🔍
02/15/2007 +0 days 🔍
02/17/2007 +2 days 🔍
02/19/2007 +1 days 🔍
01/25/2025 +6550 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Organization: Cisco
Status: Confirmed

CVE: CVE-2007-0961 (🔍)
GCVE (CVE): GCVE-0-2007-0961
GCVE (VulDB): GCVE-100-2940
CERT: 🔍
X-Force: 32487 - Cisco PIX and Cisco ASA SIP denial of service, Medium Risk
SecurityFocus: 22561 - Cisco Multiple Products Multiple Remote Denial Of Service Vulnerabilities
Secunia: 24180 - Cisco Firewall Services Module SIP DoS and ACL Corruption, Moderately Critical
OSVDB: 33054 - Cisco PIX / ASA inspect sip Malformed SIP Packet DoS
SecurityTracker: 1017651
Vulnerability Center: 14298 - [cisco-sa-20070214-pix] Cisco PIX 500 and ASA 5500 Remote DoS via Malformed SIP Packets, High
Vupen: ADV-2007-0608

See also: 🔍

Entryinfo

Created: 02/19/2007 15:57
Updated: 01/25/2025 17:30
Changes: 02/19/2007 15:57 (53), 08/31/2018 10:01 (29), 01/25/2025 17:30 (17)
Complete: 🔍
Cache ID: 216:679:103

Once again VulDB remains the best source for vulnerability data.

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