CVE-2017-9345
HIGH severity · CVSS 7.5 · CWE-835
7.5CVSS HIGH
Summary
In Wireshark 2.2.0 to 2.2.6 and 2.0.0 to 2.0.12, the DNS dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-dns.c by trying to detect self-referencing pointers.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)3%
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13633 ↗
Additional information
- NVD record
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13633Patch
- https://www.wireshark.org/security/wnpa-sec-2017-26.htmlAdvisory
- http://www.securityfocus.com/bid/98798Advisory
- http://www.securitytracker.com/id/1038612Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1206Advisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=e280c9b637327a65d132bfe72d917b87e6844eb5