CVE-2011-0941 Denial of service in n/a
Remote attackers can cause denial of service via malformed SIP messages in Cisco Unified Communications Manager and IOS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2011-0941?
CVE-2011-0941 is a high-severity denial of service vulnerability in Cisco Ios, published on 1 Nov 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Memory leak in Cisco Unified Communications Manager (CUCM) 6.x before 6.1(5)su2, 7.x before 7.1(5b)su3, 8.x before 8.0(3a)su1, and 8.5 before 8.5(1), and Cisco IOS 12.4 and 15.1, allows remote attackers to cause a denial of service (memory consumption and process failure or device reload) via a malformed SIP message, aka Bug IDs CSCti75128 and CSCtj09179.
Weakness: CWE-399
Which versions are affected by CVE-2011-0941?
It affects 2 products.
Products include Cisco Ios, Cisco Unified Communications Manager.
How do I fix CVE-2011-0941?
No fix has been published for CVE-2011-0941 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2011-0941 being exploited?
There is no known exploitation of CVE-2011-0941 in the wild and no public exploit code.
Other vulnerabilities in Cisco Ios
- CVE-2017-12240 Cisco IOS and IOS XE Software DHCP Remote Code Execution
- CVE-2017-3881 Cisco IOS and IOS XE Remote Code Execution
- CVE-2018-0167 Cisco IOS, XR, and XE Software Buffer Overflow
- CVE-2017-6736 Cisco IOS and IOS XE Software SNMP Remote Code Execution
- CVE-2017-6737 Cisco IOS and IOS XE Software SNMP Remote Code Execution
Sources
Also known as GHSA-4prw-wg9m-4gxq.