Cisco PIX 5.1.4 TACACS+ denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco PIX 5.1.4. It has been rated as problematic. This issue affects some unknown processing of the component TACACS+. Performing a manipulation results in denial of service. This vulnerability is cataloged as CVE-2001-0375. Furthermore, there is an exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Cisco PIX 5.1.4 (Firewall Software). This affects an unknown function of the component TACACS+. 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. The summary by CVE is:

Cisco PIX Firewall 515 and 520 with 5.1.4 OS running aaa authentication to a TACACS+ server allows remote attackers to cause a denial of service via a large number of authentication requests.

The bug was discovered 04/06/2001. The weakness was shared 06/18/2001 as confirmed posting (Bugtraq). It is possible to read the advisory at marc.theaimsgroup.com. This vulnerability is uniquely identified as CVE-2001-0375. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 73 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 5.3.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (6353), Exploit-DB (20734), SecurityFocus (BID 2551†), OSVDB (7636†) and Vulnerability Center (SBV-11251†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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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: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PIX 5.3.1

Timelineinfo

04/06/2001 🔍
04/06/2001 +0 days 🔍
04/06/2001 +0 days 🔍
06/18/2001 +73 days 🔍
06/18/2001 +0 days 🔍
04/25/2006 +1772 days 🔍
07/04/2014 +2992 days 🔍
08/25/2024 +3705 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: marc.theaimsgroup.com
Status: Confirmed

CVE: CVE-2001-0375 (🔍)
GCVE (CVE): GCVE-0-2001-0375
GCVE (VulDB): GCVE-100-16779
X-Force: 6353 - Cisco PIX denial of service due to multiple TACACS+ requests
SecurityFocus: 2551 - Cisco PIX TACACS+ Denial of Service Vulnerability
OSVDB: 7636 - CVE-2001-0375 - Cisco - Pix Firewall 515 - Medium
Vulnerability Center: 11251 - [cisco-sa-20011003-pix-firewall-auth-flood] Cisco PIX DoS via AAA Authentication, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/04/2014 13:08
Updated: 08/25/2024 05:41
Changes: 07/04/2014 13:08 (64), 06/17/2019 08:17 (3), 08/25/2024 05:41 (25)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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