7.5high

CVE-2017-13764

In Wireshark 2.4.0, the Modbus dissector could crash with a NULL pointer dereference.

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.2%
percentile 69%
Public exploits
0
none known

Summary

In Wireshark 2.4.0, the Modbus dissector could crash with a NULL pointer dereference. This was addressed in epan/dissectors/packet-mbtcp.c by adding length validation.

Exploit prediction (EPSS)

1.24% probability of exploitation in the next 30 days, higher than 69% 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

References

  • code.wireshark.org /review/gitweb?p=wireshark.git%3Ba=commit%3Bh=b87ffbd12bddf64582c0a6e082b462744474de94 · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/100545 · vdb-entry, x_refsource_BID, x_transferred
  • bugs.wireshark.org /bugzilla/show_bug.cgi?id=13925 · x_refsource_CONFIRM, x_transferred
  • wireshark.org /security/wnpa-sec-2017-40.html · x_refsource_CONFIRM, x_transferred
  • securitytracker.com /id/1039254 · vdb-entry, x_refsource_SECTRACK, 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.