Buffer overflow in Kamailio
CVE-2016-2385
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.305 (98.2th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.305 · newest: 0.305 · change: 0.000
Affected products
- Kamailio
- Debian Linux — versions 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- packetstormsecurity.com/files/136477/Kamailio-4.3.4-Heap-Overflow.html (Exploit)
- github.com/kamailio/kamailio/commit/f50c9c853e7809810099c970780c30b0765b0643 (Exploit)
- census-labs.com/news/2016/03/30/kamailio-seas-heap-overflow/ (Exploit)
- www.debian.org/security/2016/dsa-3535 (vendor-advisory)
- www.exploit-db.com/exploits/39638/ (Exploit, exploit)
- www.debian.org/security/2016/dsa-3537 (vendor-advisory)
- www.securityfocus.com/archive/1/537926/100/0/threaded (mailing-list)
- www.kamailio.org/pub/kamailio/4.3.5/ChangeLog
Frequently asked questions
- What is CVE-2016-2385?
- CVE-2016-2385 is a critical-severity vulnerability in Kamailio, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2016-04-11.
- How severe is CVE-2016-2385?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2016-2385 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.