Teluu PJSIP version 2.7.1 and earlier contains a Integer Overflow vulnerability in pjmedia SDP parsing that can result in Crash. This attack appear to be exploitable via Sending a specially crafted message. This vulnerability appears to have been fixed in 2.7.2.
The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.
Link | Tags |
---|---|
https://trac.pjsip.org/repos/milestone/release-2.7.2 | vendor advisory |
https://trac.pjsip.org/repos/ticket/2093 | vendor advisory |
https://www.debian.org/security/2018/dsa-4170 | third party advisory vendor advisory |