CVE-2011-3280 Denial of service in n/a
Remote attackers can cause denial of service via crafted SIP packets, requiring Cisco IOS administrators to apply vendor patches.
- 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-2011-3280?
CVE-2011-3280 is a high-severity denial of service vulnerability in Cisco Ios, published on 3 Oct 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Memory leak in the NAT implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xSG, allows remote attackers to cause a denial of service (memory consumption or device reload) by sending crafted SIP packets to UDP port 5060, aka Bug ID CSCtj04672.
Weakness: CWE-399
Which versions are affected by CVE-2011-3280?
It affects 2 products.
Products include Cisco Ios, Cisco Ios Xe.
How do I fix CVE-2011-3280?
No fix has been published for CVE-2011-3280 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-2011-3280 being exploited?
There is no known exploitation of CVE-2011-3280 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-cfx8-4jg2-j2fj.