Buffer overflow in Wireshark

CVE-2017-13766

In Wireshark 2.4.0 and 2.2.0 to 2.2.8, the Profinet I/O dissector could crash with an out-of-bounds write. This was addressed in plugins/profinet/packet-dcerpc-pn-io.c by adding string validation.

Vulnerability class: Buffer Overflow

EPSS: 0.020 (78.9th 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 2.0.0, 2.0.1, 2.0.2
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-13766?
CVE-2017-13766 is a high-severity vulnerability in Wireshark, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2017-08-30.
How severe is CVE-2017-13766?
High severity. CVSS v3 base score is 7.5 out of 10.