Buffer overflow in Kamailio
CVE-2018-8828
A Buffer Overflow issue was discovered in Kamailio before 4.4.7, 5.0.x before 5.0.6, and 5.1.x before 5.1.2. A specially crafted REGISTER message with a malformed branch or From tag triggers an off-by-one heap-based buffer overflow in the tmx_check_pretran function in modules/tmx/tmx_pretran.c.
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: 0.304 (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: 0.304 · newest: 0.304 · change: 0.000
Affected products
- Kamailio
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
References
- github.com/kamailio/kamailio/commit/e1d8008a09d9390ebaf698abe8909e10dfec4097 (Patch, Third Party Advisory)
- github.com/EnableSecurity/advisories/tree/master/ES2018-05-kamailio-heap-overfl… (Third Party Advisory)
- www.debian.org/security/2018/dsa-4148 (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4240-1/ (vendor-advisory)
Frequently asked questions
- What is CVE-2018-8828?
- CVE-2018-8828 is a critical-severity vulnerability in Kamailio, classified under Off-by-one Error. CVSS score: 9.8/10. Published 2018-03-20.
- How severe is CVE-2018-8828?
- Critical severity. CVSS v3 base score is 9.8 out of 10.