CVE-2011-3274 Denial of service in n/a
Remote attackers can crash Cisco IOS devices via crafted IPv6 packets when MPLS is configured, requiring a software upgrade.
- 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-2011-3274?
CVE-2011-3274 is a medium-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
Unspecified vulnerability in Cisco IOS 12.2SRE before 12.2(33)SRE4, 15.0, and 15.1, and IOS XE 2.1.x through 3.3.x, when an MPLS domain is configured, allows remote attackers to cause a denial of service (device crash) via a crafted IPv6 packet, related to an expired MPLS TTL, aka Bug ID CSCto07919.
Which versions are affected by CVE-2011-3274?
It affects 2 products.
Products include Cisco Ios, Cisco Ios Xe.
How do I fix CVE-2011-3274?
No fix has been published for CVE-2011-3274 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-2011-3274 being exploited?
There is no known exploitation of CVE-2011-3274 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-qqhv-wg8r-6hp4.