Buffer overflow in Wireshark
CVE-2018-5336
In Wireshark 2.4.0 to 2.4.3 and 2.2.0 to 2.2.11, the JSON, XML, NTP, XMPP, and GDB dissectors could crash. This was addressed in epan/tvbparse.c by limiting the recursion depth.
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: 0.027 (85.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: +0.001
Affected products
- Wireshark
- Debian Linux — versions 7.0, 8.0, 9.0
Weakness classification (CWE)
References
- lists.debian.org/debian-lts-announce/2018/01/msg00032.html (mailing-list, Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/102504 (VDB Entry, Third Party Advisory, vdb-entry)
- code.wireshark.org/review/gitweb
- code.wireshark.org/review/gitweb
- www.wireshark.org/security/wnpa-sec-2018-01.html (Vendor Advisory)
- bugs.wireshark.org/bugzilla/show_bug.cgi (Issue Tracking, Vendor Advisory)
- www.debian.org/security/2018/dsa-4101 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-5336?
- CVE-2018-5336 is a high-severity vulnerability in Wireshark, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2018-01-11.
- How severe is CVE-2018-5336?
- High severity. CVSS v3 base score is 7.5 out of 10.