CVE-2011-2577 Denial of service in n/a
Remote attackers can crash Cisco TelePresence endpoints by sending crafted SIP packets, requiring a software upgrade to mitigate.
- 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-2011-2577?
CVE-2011-2577 is a high-severity denial of service vulnerability in n/a, published on 31 Aug 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Unspecified vulnerability in Cisco TelePresence C Series Endpoints, E/EX Personal Video units, and MXP Series Codecs, when using software versions before TC 4.0.0 or F9.1, allows remote attackers to cause a denial of service (crash) via a crafted SIP packet to port 5060 or 5061, aka Bug ID CSCtq46500.
Which versions are affected by CVE-2011-2577?
It affects 11 products.
Products include Cisco Telepresence 6000 Mxp, Cisco Telepresence 9000 Mxp, Cisco Telepresence C Series Software, Cisco Telepresence Codec C40, Cisco Telepresence Codec C60, Cisco Telepresence Codec C90 and 5 more.
How do I fix CVE-2011-2577?
No fix has been published for CVE-2011-2577 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-2011-2577 being exploited?
There is no known exploitation of CVE-2011-2577 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Sources
Also known as GHSA-gcc6-6jc3-v432.