CVE-2011-3303 Denial of service in n/a
Remote attackers can cause a denial of service via malformed ILS traffic on Cisco ASA and FWSM devices, requiring software upgrades.
- 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-2011-3303?
CVE-2011-3303 is a high-severity denial of service vulnerability in Cisco 5500 Series Adaptive Security Appliance, published on 6 Oct 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services module in Cisco Catalyst 6500 series devices, with software 7.0 before 7.0(8.13), 7.1 and 7.2 before 7.2(5.4), 8.0 before 8.0(5.25), 8.1 before 8.1(2.50), 8.2 before 8.2(5.6), 8.3 before 8.3(2.23), 8.4 before 8.4(2.7), and 8.5 before 8.5(1.1) and Cisco Firewall Services Module (aka FWSM) 3.1 before 3.1(21), 3.2 before 3.2(22), 4.0 before 4.0(16), and 4.1 before 4.1(7) allow remote attackers to cause a denial of service (device reload) via malformed ILS traffic, aka Bug IDs CSCtq57697 and CSCtq57802.
Weakness: CWE-399
Which versions are affected by CVE-2011-3303?
It affects 6 products.
Products include Cisco 5500 Series Adaptive Security Appliance, Cisco Adaptive Security Appliance Software, Cisco Asa 5500, Cisco Catalyst 6500, Cisco Catalyst 7600, Cisco Firewall Services Module Software.
How do I fix CVE-2011-3303?
No fix has been published for CVE-2011-3303 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-2011-3303 being exploited?
There is no known exploitation of CVE-2011-3303 in the wild and no public exploit code.
Other vulnerabilities in Cisco 5500 Series Adaptive Security Appliance
- CVE-2012-0358 Memory corruption in n/a
- CVE-2012-4661 Memory corruption in n/a
- CVE-2010-4675 Auth bypass in n/a
- CVE-2010-4680 Security feature bypass in n/a
- CVE-2011-3298 Auth bypass in n/a
All Cisco 5500 Series Adaptive Security Appliance vulnerabilities
Sources
Also known as GHSA-frjr-q4vc-qjq7.