7.5high

CVE-2019-16319

In Wireshark 3.0.0 to 3.0.3 and 2.6.0 to 2.6.10, the Gryphon dissector could go into an infinite loop.

Published 7 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
3.8%
percentile 90%
Public exploits
0
none known

Summary

In Wireshark 3.0.0 to 3.0.3 and 2.6.0 to 2.6.10, the Gryphon dissector could go into an infinite loop. This was addressed in plugins/epan/gryphon/packet-gryphon.c by checking for a message length of zero.

Exploit prediction (EPSS)

3.75% probability of exploitation in the next 30 days, higher than 90% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.17.5CVSS:3.1/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

  • wireshark.org /security/wnpa-sec-2019-21.html · x_refsource_MISC, x_transferred
  • bugs.wireshark.org /bugzilla/show_bug.cgi?id=16020 · x_refsource_MISC, x_transferred
  • code.wireshark.org /review/gitweb?p=wireshark.git%3Ba=commit%3Bh=02ddd49885c6a09e936a76aceb726ed06539704a · x_refsource_MISC, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2020-03/msg00027.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.debian.org /debian-lts-announce/2021/02/msg00008.html · mailing-list, x_refsource_MLIST, 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.