CVE-2016-2385

high-risk

Published 2016-04-11

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.

Do I need to act?

25.3% chance of exploitation in next 30 days

EPSS score — higher than 75% of all CVEs

Not on CISA KEV list

No confirmed active exploitation reported to CISA

1 public exploit available

39638

Fix available

Upgrade to: f50c9c853e7809810099c970780c30b0765b0643

CVSS 9.8/10 Critical

NETWORK / LOW complexity

Affected Products (2)

Debian Linux

Kamailio

Affected Vendors

Debian Kamailio

References (16)

Exploit 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

Exploit https://census-labs.com/news/2016/03/30/kamailio-seas-heap-overflow/

Exploit https://github.com/kamailio/kamailio/commit/f50c9c853e7809810099c970780c30b0765b...

Exploit https://www.exploit-db.com/exploits/39638/

Exploit 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

Exploit https://census-labs.com/news/2016/03/30/kamailio-seas-heap-overflow/

Exploit https://github.com/kamailio/kamailio/commit/f50c9c853e7809810099c970780c30b0765b...

Exploit https://www.exploit-db.com/exploits/39638/

/ 100

high-risk

Severity 32/34 · Critical

Exploitability 15/34 · Moderate

Exposure 7/34 · Low