PT-2018-18061 · Wireshark+2 · Wireshark+2

Jakub Zawadzki · Published 2018-02-23 · Updated 2020-10-28 · CVE-2018-7421

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Wireshark versions 2.2.0 through 2.2.12 Wireshark versions 2.4.0 through 2.4.4

Description The DMP dissector in Wireshark could enter an infinite loop due to incorrect support for a bounded number of Security Categories for a DMP Security Classification.

Recommendations For Wireshark versions 2.2.0 through 2.2.12, update to a version that correctly supports a bounded number of Security Categories for a DMP Security Classification. For Wireshark versions 2.4.0 through 2.4.4, update to a version that correctly supports a bounded number of Security Categories for a DMP Security Classification.

Exploit

Fix

Infinite Loop

Weakness Enumeration

CWE-835

Related Identifiers

ALT-PU-2018-1290

CVE-2018-7421

SUSE-SU-2018:0811-1

SUSE-SU-2018:0867-1

Affected Products

Alt Linux

Suse

Wireshark

References · 72

• 🔥 https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14408 · Exploit
• https://osv.dev/vulnerability/CVE-2018-7421 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-7421 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7337 · Security Note
• https://cve.org/CVERecord?id=CVE-2018-7421 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7326 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7321 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2018-7421 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6836 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-7421 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7320 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7329 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7323 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7324 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7419 · Security Note