Cisco IOS up to 12.x gk_circuit_info_do_in_acf resource management

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.
7.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Cisco IOS up to 12.x. The affected element is the function gk_circuit_info_do_in_acf. Such manipulation leads to resource management. This vulnerability is uniquely identified as CVE-2009-5039. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco IOS up to 12.x (Router Operating System). It has been rated as critical. Affected by this issue is the function gk_circuit_info_do_in_acf. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. CVE summarizes:

Memory leak in the gk_circuit_info_do_in_acf function in the H.323 implementation in Cisco IOS before 15.0(1)XA allows remote attackers to cause a denial of service (memory consumption) via a large number of calls over a long duration, as demonstrated by InterZone Clear Token (IZCT) test traffic, aka Bug ID CSCsz72535.

The weakness was disclosed 01/07/2011 with Cisco (Website). The advisory is shared for download at xforce.iss.net. This vulnerability is handled as CVE-2009-5039. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

Upgrading to version 12.1%2820%29ew4 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (64731), SecurityFocus (BID 45758†) and Vulnerability Center (SBV-29047†). The entries VDB-55953 and VDB-55951 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

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

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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: IOS 12.1%2820%29ew4

Timelineinfo

10/27/2009 🔍
01/07/2011 +436 days 🔍
01/07/2011 +0 days 🔍
01/07/2011 +0 days 🔍
01/07/2011 +0 days 🔍
01/12/2011 +5 days 🔍
03/19/2015 +1527 days 🔍
10/11/2021 +2398 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: xforce.iss.net
Organization: Cisco
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-5039 (🔍)
GCVE (CVE): GCVE-0-2009-5039
GCVE (VulDB): GCVE-100-55952
X-Force: 64731
SecurityFocus: 45758 - Cisco IOS 'gk_circuit_info_do_in_acf()' Function H.323 Denial of Service Vulnerability
Vulnerability Center: 29047 - H.323 Implementation in Cisco IOS before 15.0(1)XA Remote DoS Vulnerability, High

See also: 🔍

Entryinfo

Created: 03/19/2015 23:27
Updated: 10/11/2021 08:13
Changes: 03/19/2015 23:27 (51), 03/13/2017 09:40 (10), 10/11/2021 08:13 (4)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!