NULL pointer dereference in Wireshark
CVE-2016-6504
epan/dissectors/packet-ncp2222.inc in the NDS dissector in Wireshark 1.12.x before 1.12.13 does not properly maintain a ptvc data structure, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted packet.
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: 0.066 (93.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.066 · newest: 0.066 · change: 0.000
Affected products
- Wireshark — versions 1.12.0, 1.12.1, 1.12.2
Weakness classification (CWE)
References
- openwall.com/lists/oss-security/2016/07/28/3 (mailing-list, Mailing List)
- bugs.wireshark.org/bugzilla/show_bug.cgi (Issue Tracking)
- www.debian.org/security/2016/dsa-3648 (vendor-advisory)
- www.securityfocus.com/bid/92164 (vdb-entry)
- www.exploit-db.com/exploits/40194/ (exploit)
- www.wireshark.org/security/wnpa-sec-2016-40.html (Vendor Advisory)
- www.securitytracker.com/id/1036480 (vdb-entry)
- code.wireshark.org/review/gitweb
Frequently asked questions
- What is CVE-2016-6504?
- CVE-2016-6504 is a medium-severity vulnerability in Wireshark, classified under NULL Pointer Dereference. CVSS score: 5.9/10. Published 2016-08-06.
- How severe is CVE-2016-6504?
- Medium severity. CVSS v3 base score is 5.9 out of 10.