Improper input validation in Wireshark
CVE-2015-8738
The s7comm_decode_ud_cpu_szl_subfunc function in epan/dissectors/packet-s7comm_szl_ids.c in the S7COMM dissector in Wireshark 2.0.x before 2.0.1 does not validate the list count in an SZL response, which allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted packet.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.014 (71.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Wireshark — versions 2.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugs.wireshark.org/bugzilla/show_bug.cgi
- www.wireshark.org/security/wnpa-sec-2015-56.html (Vendor Advisory)
- code.wireshark.org/review/gitweb
- security.gentoo.org/glsa/201604-05 (vendor-advisory)
- www.securitytracker.com/id/1034551 (vdb-entry)
Frequently asked questions
- What is CVE-2015-8738?
- CVE-2015-8738 is a medium-severity vulnerability in Wireshark, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2016-01-04.
- How severe is CVE-2015-8738?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2015-8738 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.