CVE-2013-2264 Information disclosure in n/a
Remote attackers can enumerate valid user accounts in Asterisk by analyzing SIP transaction responses, requiring an upgrade to secure the system.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-2264?
CVE-2013-2264 is a medium-severity vulnerability in n/a, published on 29 Mar 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The SIP channel driver in Asterisk Open Source 1.8.x before 1.8.20.2, 10.x before 10.12.2, and 11.x before 11.2.2; Certified Asterisk 1.8.15 before 1.8.15-cert2; Asterisk Business Edition (BE) C.3.x before C.3.8.1; and Asterisk Digiumphones 10.x-digiumphones before 10.12.2-digiumphones exhibits different behavior for invalid INVITE, SUBSCRIBE, and REGISTER transactions depending on whether the user account exists, which allows remote attackers to enumerate account names by (1) reading HTTP status codes, (2) reading additional text in a 403 (aka Forbidden) response, or (3) observing whether certain retransmissions occur.
Weakness: CWE-200
Which versions are affected by CVE-2013-2264?
It affects 4 products.
Products include Asterisk Business Edition, Asterisk Certified Asterisk, Asterisk Digiumphones, Asterisk Open Source.
How do I fix CVE-2013-2264?
Upgrade to a fixed version.
Is CVE-2013-2264 being exploited?
There is no known exploitation of CVE-2013-2264 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2013-2264, GHSA-79cp-774x-5w3c.