Buffer overflow in GNU Osip
CVE-2017-7853
In libosip2 in GNU oSIP 4.1.0 and 5.0.0, a malformed SIP message can lead to a heap buffer overflow in the msg_osip_body_parse() function defined in osipparser2/osip_message_parse.c, resulting in a remote DoS.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.025 (83.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000
Affected products
- GNU Osip — versions 5.0.0
Weakness classification (CWE)
References
- www.debian.org/security/2017/dsa-3879 (vendor-advisory)
- www.securityfocus.com/bid/97644 (VDB Entry, Third Party Advisory, vdb-entry)
- savannah.gnu.org/support/index.php (Patch, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-7853?
- CVE-2017-7853 is a high-severity vulnerability in GNU Osip, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2017-04-13.
- How severe is CVE-2017-7853?
- High severity. CVSS v3 base score is 7.5 out of 10.