Integer overflow in Wireshark
CVE-2017-5597
In Wireshark 2.2.0 to 2.2.3 and 2.0.0 to 2.0.9, the DHCPv6 dissector could go into a large loop, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-dhcpv6.c by changing a data type to avoid an integer overflow.
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: 0.020 (80.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Wireshark — versions 2.0.0, 2.0.1, 2.0.2
Weakness classification (CWE)
References
- www.wireshark.org/security/wnpa-sec-2017-02.html (Vendor Advisory)
- code.wireshark.org/review/gitweb
- code.wireshark.org/review/ (Patch, Vendor Advisory)
- www.securityfocus.com/bid/95798 (vdb-entry)
- www.debian.org/security/2017/dsa-3811 (vendor-advisory)
- www.securitytracker.com/id/1037694 (vdb-entry)
- bugs.wireshark.org/bugzilla/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2017-5597?
- CVE-2017-5597 is a high-severity vulnerability in Wireshark, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2017-01-25.
- How severe is CVE-2017-5597?
- High severity. CVSS v3 base score is 7.5 out of 10.