7.5high

CVE-2018-9262

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the VLAN dissector could crash.

Published 8 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.3%
percentile 83%
Public exploits
0
none known

Summary

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the VLAN dissector could crash. This was addressed in epan/dissectors/packet-vlan.c by limiting VLAN tag nesting to restrict the recursion depth.

Exploit prediction (EPSS)

2.26% probability of exploitation in the next 30 days, higher than 83% 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-20 Improper Input Validation

References

  • wireshark.org /security/wnpa-sec-2018-19.html · x_refsource_MISC, x_transferred
  • bugs.wireshark.org /bugzilla/show_bug.cgi?id=14469 · x_refsource_MISC, x_transferred
  • lists.debian.org /debian-lts-announce/2019/01/msg00010.html · mailing-list, x_refsource_MLIST, x_transferred
  • code.wireshark.org /review/gitweb?p=wireshark.git%3Ba=commit%3Bh=f05c3b91f9571210b86576ee6284e71a3306109d · 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.