Cisco PIX up to 6.3(5) IPsec IKEv1 denial of service

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco PIX up to 6.3(5). It has been declared as critical. This issue affects some unknown processing of the component IPsec IKEv1 Handler. The manipulation results in denial of service. This vulnerability is identified as CVE-2005-3666. The attack can be executed remotely. There is not any exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Cisco PIX up to 6.3(5) (Firewall Software). It has been classified as critical. Affected is some unknown processing of the component IPsec IKEv1 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:

Multiple unspecified format string vulnerabilities in multiple unspecified implementations of Internet Key Exchange version 1 (IKEv1) have multiple unspecified attack vectors and impacts, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1. NOTE: due to the lack of information in the original sources, it is likely that this candidate will be REJECTed once it is known which implementations are actually vulnerable.

The weakness was released 11/14/2005 with Oulu University Secure Programming Group (OUSPG) (Website). The advisory is shared for download at cisco.com. This vulnerability is traded as CVE-2005-3666 since 11/18/2005. 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. The MITRE ATT&CK project declares the attack technique as T1499.

As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 22831 (Debian DSA-965-1 : ipsec-tools - null dereference), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43300 (Cisco IOS PROTOS IPSec Test Suite Multiple Vulnerabilities (cisco-sa-20051114-ipsec)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at cisco.com. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (22831), SecurityFocus (BID 15523†), OSVDB (20822†), Secunia (SA17553†) and Vulnerability Center (SBV-9647†). Further details are available at ficora.fi. Entries connected to this vulnerability are available at VDB-1912, VDB-1900, VDB-1898 and VDB-1895. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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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: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 22831
Nessus Name: Debian DSA-965-1 : ipsec-tools - null dereference
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: cisco.com

Timelineinfo

11/14/2005 🔍
11/16/2005 +2 days 🔍
11/18/2005 +2 days 🔍
11/18/2005 +0 days 🔍
02/06/2006 +80 days 🔍
10/14/2006 +250 days 🔍
07/21/2024 +6490 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Organization: Oulu University Secure Programming Group (OUSPG)
Status: Not defined

CVE: CVE-2005-3666 (🔍)
GCVE (CVE): GCVE-0-2005-3666
GCVE (VulDB): GCVE-100-1896
CERT: 🔍
SecurityFocus: 15523
Secunia: 17553 - Cisco ISAKMP IKE Message Processing Denial of Service, Moderately Critical
OSVDB: 20822 - Multiple Vendor ISAKMP Protocol Unspecified Malformed Input Remote DoS (PROTOS)
Vulnerability Center: 9647

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 11/16/2005 12:02
Updated: 07/21/2024 07:40
Changes: 11/16/2005 12:02 (75), 07/05/2019 12:15 (4), 06/16/2024 10:24 (17), 07/21/2024 07:40 (1)
Complete: 🔍
Cache ID: 216::103

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