Vulnerability CVE-2016-2385
Published: 2016-04-11

Description:
Heap-based buffer overflow in the encode_msg function in encode_msg.c in the SEAS module in Kamailio (formerly OpenSER and SER) before 4.3.5 allows remote attackers to cause a denial of service (memory corruption and process crash) or possibly execute arbitrary code via a large SIP packet.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
10/10
10/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Kamailio -> Kamailio 
Debian -> Debian linux 

 References:
http://packetstormsecurity.com/files/136477/Kamailio-4.3.4-Heap-Overflow.html
http://www.debian.org/security/2016/dsa-3535
http://www.debian.org/security/2016/dsa-3537
http://www.kamailio.org/pub/kamailio/4.3.5/ChangeLog
http://www.securityfocus.com/archive/1/537926/100/0/threaded
https://census-labs.com/news/2016/03/30/kamailio-seas-heap-overflow/
https://github.com/kamailio/kamailio/commit/f50c9c853e7809810099c970780c30b0765b0643
https://www.exploit-db.com/exploits/39638/
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