Buffer overflow in Wireshark
CVE-2016-7176
epan/dissectors/packet-h225.c in the H.225 dissector in Wireshark 2.x before 2.0.6 calls snprintf with one of its input buffers as the output buffer, which allows remote attackers to cause a denial of service (copy overlap and application crash) via a crafted packet.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.025 (84.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.3% 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
- Wireshark — versions 2.0.0, 2.0.1, 2.0.2
- Debian Linux — versions 8.0
Weakness classification (CWE)
References
- code.wireshark.org/review/16852 (Patch, Issue Tracking)
- bugs.wireshark.org/bugzilla/show_bug.cgi (Issue Tracking)
- www.wireshark.org/security/wnpa-sec-2016-51.html (Vendor Advisory)
- www.securitytracker.com/id/1036760 (VDB Entry, Third Party Advisory, vdb-entry)
- www.debian.org/security/2016/dsa-3671 (vendor-advisory, Third Party Advisory)
- code.wireshark.org/review/gitweb
Frequently asked questions
- What is CVE-2016-7176?
- CVE-2016-7176 is a medium-severity vulnerability in Wireshark, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.9/10. Published 2016-09-09.
- How severe is CVE-2016-7176?
- Medium severity. CVSS v3 base score is 5.9 out of 10.