Integer overflow in Wireshark
CVE-2018-14343
In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, the ASN.1 BER dissector could crash. This was addressed in epan/dissectors/packet-ber.c by ensuring that length values do not exceed the maximum signed integer.
Vulnerability class: Integer 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: 0.033 (88.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.034 · newest: 0.033 · change: -0.000
Affected products
- Wireshark
- Debian Linux — versions 8.0
Weakness classification (CWE)
References
- code.wireshark.org/review/gitweb
- www.securitytracker.com/id/1041608 (VDB Entry, Third Party Advisory, vdb-entry)
- lists.debian.org/debian-lts-announce/2018/07/msg00045.html (mailing-list, Mailing List, Third Party Advisory)
- www.wireshark.org/security/wnpa-sec-2018-37.html (Vendor Advisory)
- www.securityfocus.com/bid/104847 (VDB Entry, Third Party Advisory, vdb-entry)
- bugs.wireshark.org/bugzilla/show_bug.cgi (Issue Tracking, Vendor Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html (vendor-advisory)
Frequently asked questions
- What is CVE-2018-14343?
- CVE-2018-14343 is a high-severity vulnerability in Wireshark, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2018-07-19.
- How severe is CVE-2018-14343?
- High severity. CVSS v3 base score is 7.5 out of 10.