Cisco IOS up to 12.2srb resource management

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco IOS up to 12.2srb. It has been declared as problematic. This vulnerability affects unknown code. The manipulation leads to resource management. This vulnerability was named CVE-2011-0945. There is no exploit available. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Detailsinfo

A vulnerability was found in Cisco IOS up to 12.2srb (Router Operating System). It has been classified as critical. This affects an unknown part. 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 the Data-link switching (aka DLSw) feature in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xS before 3.1.3S and 3.2.xS before 3.2.1S, when implemented over Fast Sequence Transport (FST), allows remote attackers to cause a denial of service (memory consumption and device reload or hang) via a crafted IP protocol 91 packet, aka Bug ID CSCth69364.

The weakness was presented 10/03/2011 with Cisco (Website). It is possible to read the advisory at cisco.com. This vulnerability is uniquely identified as CVE-2011-0945 since 02/10/2011. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/17/2025).

The vulnerability scanner Nessus provides a plugin with the ID 56314 (Cisco IOS Software Data-Link Switching Vulnerability (cisco-sa-20110928-dlsw)), 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 43214 (Cisco IOS Software Data-Link Switching Vulnerability (cisco-sa-20110928-dlsw)).

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 (56314), SecurityFocus (BID 49829†) and Vulnerability Center (SBV-33364†). See VDB-58807, VDB-58806, VDB-58804 and VDB-58802 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Name

Version

License

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

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

NVD Base Score: 🔍

Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 56314
Nessus Name: Cisco IOS Software Data-Link Switching Vulnerability (cisco-sa-20110928-dlsw)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/10/2011 🔍
09/28/2011 +230 days 🔍
09/28/2011 +0 days 🔍
09/29/2011 +1 days 🔍
10/02/2011 +3 days 🔍
10/03/2011 +1 days 🔍
10/03/2011 +0 days 🔍
03/23/2015 +1267 days 🔍
01/17/2025 +3588 days 🔍

Sourcesinfo

Vendor: cisco.com

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

CVE: CVE-2011-0945 (🔍)
GCVE (CVE): GCVE-0-2011-0945
GCVE (VulDB): GCVE-100-58803
SecurityFocus: 49829 - Cisco IOS Data-Link Switching Memory Leak Remote Denial of Service Vulnerability
Vulnerability Center: 33364 - [cisco-sa-20110928-dlsw] Cisco IOS DLSw Implementation Remote DoS Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 01/17/2025 03:30
Changes: 03/23/2015 16:50 (54), 04/02/2017 14:09 (11), 11/21/2021 01:14 (3), 01/17/2025 03:30 (16)
Complete: 🔍
Cache ID: 216:CCF:103

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