7.5high

CVE-2017-9345

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.

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
3.0%
percentile 88%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

3.02% probability of exploitation in the next 30 days, higher than 88% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.07.8AV:N/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-835 Loop with Unreachable Exit Condition

References

  • securityfocus.com /bid/98798 · vdb-entry, x_refsource_BID, x_transferred
  • bugs.wireshark.org /bugzilla/show_bug.cgi?id=13633 · x_refsource_MISC, x_transferred
  • bugs.chromium.org /p/oss-fuzz/issues/detail?id=1206 · x_refsource_MISC, x_transferred
  • wireshark.org /security/wnpa-sec-2017-26.html · x_refsource_MISC, x_transferred
  • securitytracker.com /id/1038612 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • code.wireshark.org /review/gitweb?p=wireshark.git%3Ba=commit%3Bh=e280c9b637327a65d132bfe72d917b87e6844eb5 · x_refsource_MISC, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.