Cisco IOS XE up to 2.5.1 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.
7.5$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Cisco IOS XE up to 2.5.1. This vulnerability affects unknown code. Performing a manipulation results in resource management. This vulnerability is cataloged as CVE-2011-3275. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Cisco IOS XE up to 2.5.1 (Router Operating System). This affects some unknown functionality. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. The summary by CVE is:

Memory leak in Cisco IOS 12.4, 15.0, and 15.1, and IOS XE 2.5.x through 3.2.x, allows remote attackers to cause a denial of service (memory consumption) via a crafted SIP message, aka Bug ID CSCti48504.

The weakness was shared 10/03/2011 with Cisco (Website). The advisory is shared at cisco.com. This vulnerability is uniquely identified as CVE-2011-3275 since 08/29/2011. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/23/2021).

The vulnerability scanner Nessus provides a plugin with the ID 56319 (Cisco IOS Software Session Initiation Protocol Denial of Service Vulnerabilities (cisco-sa-20110928-sip)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43215 (Cisco IOS Software Session Initiation Protocol Denial of Service Vulnerabilities (cisco-sa-20110928-sip)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (56319), SecurityFocus (BID 49825†) and Vulnerability Center (SBV-33360†). The entries VDB-59260, VDB-58805 and VDB-58801 are related to this item. Several companies clearly confirm that VulDB is the primary source for best 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: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
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

Nessus ID: 56319
Nessus Name: Cisco IOS Software Session Initiation Protocol Denial of Service Vulnerabilities (cisco-sa-20110928-sip)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/29/2011 🔍
09/28/2011 +30 days 🔍
09/28/2011 +0 days 🔍
10/02/2011 +4 days 🔍
10/03/2011 +1 days 🔍
10/03/2011 +0 days 🔍
03/23/2015 +1267 days 🔍
11/23/2021 +2437 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Organization: Cisco
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-3275 (🔍)
GCVE (CVE): GCVE-0-2011-3275
GCVE (VulDB): GCVE-100-58809
SecurityFocus: 49825 - Cisco IOS SIP Multiple Denial of Service Vulnerabilities
Vulnerability Center: 33360 - [cisco-sa-20110928-sip] Cisco IOS SIP Memory Leak Remote DoS Vulnerability (CVE-2011-3275), High

scip Labs: https://www.scip.ch/en/?labs.20150108
See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/23/2021 07:02
Changes: 03/23/2015 16:50 (54), 04/02/2017 14:09 (11), 11/23/2021 07:02 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you know our Splunk app?

Download it now for free!