Cisco IOS up to 15.1 IP Service Level Agreement resource management
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.2 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, has been found in Cisco IOS (Router Operating System). Affected by this issue is some unknown processing of the component IP Service Level Agreement Handler. 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:
The IP Service Level Agreement (IP SLA) functionality in Cisco IOS 15.1, and IOS XE 2.1.x through 3.3.x, allows remote attackers to cause a denial of service (memory corruption and device reload) via malformed IP SLA packets, aka Bug ID CSCtk67073.
The weakness was published 09/29/2011 with Cisco (Website). The advisory is available at cisco.com. This vulnerability is handled as CVE-2011-3272 since 08/29/2011. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.
As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 56315 (Cisco IOS Software IP Service Level Agreement Vulnerability (cisco-sa-20110928-ipsla)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO and running in the context l.
Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at cisco.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (56315).
Product
Type
Vendor
Name
Version
- 2.1.0
- 2.1.1
- 2.1.2
- 2.2.1
- 2.2.2
- 2.2.3
- 2.3.0
- 2.3.1
- 2.3.2
- 2.4.0
- 2.4.1
- 2.4.2
- 2.4.3
- 2.4.4
- 2.5.0
- 2.5.1
- 2.5.2
- 2.6.0
- 2.6.1
- 2.6.2
- 3.1.0s
- 3.1.1s
- 3.1.2s
- 3.1.3s
- 3.1.4s
- 3.2.0s
- 3.2.1s
- 3.2.2s
- 3.3.0s
- 15.1
License
Support
- end of life (old version)
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.2
VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Resource managementCWE: CWE-399 / CWE-404
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 56315
Nessus Name: Cisco IOS Software IP Service Level Agreement Vulnerability (cisco-sa-20110928-ipsla)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Patch: cisco.com
Timeline
08/29/2011 🔍09/28/2011 🔍
09/28/2011 🔍
09/28/2011 🔍
09/29/2011 🔍
09/29/2011 🔍
09/29/2011 🔍
09/29/2011 🔍
10/02/2011 🔍
10/03/2011 🔍
10/19/2011 🔍
03/19/2021 🔍
Sources
Vendor: cisco.comAdvisory: cisco.com
Organization: Cisco
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2011-3272 (🔍)
SecurityTracker: 1026120 - Cisco IOS IP Service Level Agreement Bug Lets Remote Users Deny Service
Vulnerability Center: 33373 - [cisco-sa-20110928-ipsla] Cisco IOS IP SLA Remote DoS Vulnerability, High
SecurityFocus: 49823 - Cisco IOS IP Service Level Agreement Remote Denial of Service Vulnerability
Secunia: 46206 - Cisco IOS IP Service Level Agreement Denial of Service Vulnerability, Moderately Critical
Entry
Created: 10/19/2011 02:00Updated: 03/19/2021 16:36
Changes: 10/19/2011 02:00 (74), 04/02/2017 14:13 (11), 03/19/2021 16:36 (3)
Complete: 🔍
No comments yet. Languages: en.
Please log in to comment.