7.5high

CVE-2017-6474

In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a NetScaler file parser infinite loop, triggered by a malformed capture file.

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 87%
Public exploits
0
none known

Summary

In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a NetScaler file parser infinite loop, triggered by a malformed capture file. This was addressed in wiretap/netscaler.c by validating record sizes.

Exploit prediction (EPSS)

3.01% probability of exploitation in the next 30 days, higher than 87% 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
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-835 Loop with Unreachable Exit Condition

References

  • bugs.wireshark.org /bugzilla/show_bug.cgi?id=13429 · x_refsource_CONFIRM, x_transferred
  • wireshark.org /security/wnpa-sec-2017-07.html · x_refsource_CONFIRM, x_transferred
  • debian.org /security/2017/dsa-3811 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • securityfocus.com /bid/96566 · vdb-entry, x_refsource_BID, x_transferred
  • code.wireshark.org /review/gitweb?p=wireshark.git%3Ba=commit%3Bh=a998c9195f183d85f5b0bbeebba21a2d4d303d47 · x_refsource_CONFIRM, 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.