Out-of-bounds Read in Wireshark

CVE-2018-11362

In Wireshark 2.6.0, 2.4.0 to 2.4.6, and 2.2.0 to 2.2.14, the LDSS dissector could crash. This was addressed in epan/dissectors/packet-ldss.c by avoiding a buffer over-read upon encountering a missing '\0' character.

Vulnerability class: Buffer Overflow

EPSS: 0.031 (86.3th 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

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-11362?
CVE-2018-11362 is a high-severity vulnerability in Wireshark, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2018-05-22.
How severe is CVE-2018-11362?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2018-11362 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.