NULL pointer dereference in Wireshark

CVE-2017-13764

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.

EPSS: 0.013 (66.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Wireshark — versions 2.4.0
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-13764?
CVE-2017-13764 is a high-severity vulnerability in Wireshark, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2017-08-30.
How severe is CVE-2017-13764?
High severity. CVSS v3 base score is 7.5 out of 10.