Cisco Unified Communications Manager up to 6.x Certificate Authority Proxy Function input validation

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.8$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Cisco Unified Communications Manager up to 6.x. The impacted element is the function Proxy of the component Certificate Authority Proxy Function. The manipulation leads to input validation. This vulnerability is documented as CVE-2009-0057. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco Unified Communications Manager up to 6.x (Unified Communication Software) and classified as problematic. This issue affects the function Proxy of the component Certificate Authority Proxy Function. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. The summary by CVE is:

The Certificate Authority Proxy Function (CAPF) service in Cisco Unified Communications Manager 5.x before 5.1(3e) and 6.x before 6.1(3) allows remote attackers to cause a denial of service (voice service outage) by sending malformed input over a TCP session in which the "client terminates prematurely."

The bug was discovered 01/21/2009. The weakness was released 01/22/2009 (Website). It is possible to read the advisory at cisco.com. The identification of this vulnerability is CVE-2009-0057 since 01/07/2009. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 6.1 1a eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (48139), SecurityFocus (BID 33379†), OSVDB (52317†), Secunia (SA33588†) and SecurityTracker (ID 1021620†). Be aware that VulDB is the high quality source 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
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Unified Communications Manager 6.1 1a

Timelineinfo

01/07/2009 🔍
01/21/2009 +14 days 🔍
01/21/2009 +0 days 🔍
01/21/2009 +0 days 🔍
01/21/2009 +0 days 🔍
01/22/2009 +1 days 🔍
01/22/2009 +0 days 🔍
01/22/2009 +0 days 🔍
01/25/2009 +3 days 🔍
03/17/2015 +2242 days 🔍
08/25/2019 +1622 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Status: Confirmed

CVE: CVE-2009-0057 (🔍)
GCVE (CVE): GCVE-0-2009-0057
GCVE (VulDB): GCVE-100-46031
X-Force: 48139
SecurityFocus: 33379 - Cisco Unified Communications Manager CAPF Service Denial of Service Vulnerability
Secunia: 33588
OSVDB: 52317 - Cisco - Unified Communications Manager - CAPF Service Denial of Service Issue
SecurityTracker: 1021620
Vulnerability Center: 20613 - [cisco-sa-20090121-cucmcapf] Cisco Unified Communications Manager Remote DoS Vulnerability, High
Vupen: ADV-2009-0213

Entryinfo

Created: 03/17/2015 16:11
Updated: 08/25/2019 20:45
Changes: 03/17/2015 16:11 (69), 08/25/2019 20:45 (3)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!