PT-2019-5761 · Wireshark+5 · Wireshark+5

Published 2019-09-01 · Updated 2024-06-15 · CVE-2020-15466

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 3.2.0 through 3.2.4

Description The issue is related to the GVCP dissector in Wireshark, which could enter an infinite loop. This could potentially allow a remote attacker to cause a denial of service. The problem was addressed by ensuring that an offset increases in all situations in the epan/dissectors/packet-gvcp.c file.

Recommendations For Wireshark versions 3.2.0 through 3.2.4, update to a version where the issue has been addressed, specifically by applying the fix in epan/dissectors/packet-gvcp.c that ensures the offset increases in all situations.

Fix

Infinite Loop

Weakness Enumeration

CWE-835

Related Identifiers

ALT-PU-2020-2302

ALT-PU-2020-2666

BDU:2021-01457

CVE-2020-15466

DLA-2547-1

OPENSUSE-SU-2020:1188-1

OPENSUSE-SU-2020:1199-1

OPENSUSE-SU-2020_1188-1

OPENSUSE-SU-2020_1199-1

OPENSUSE-SU-2024:11513-1

SUSE-SU-2020:2144-1

USN-6262-1

Affected Products

Alt Linux

Astra Linux

Linuxmint

Suse

Ubuntu

Wireshark

References · 261

• https://wiki.astralinux.ru/pages/viewpage.action?pageId=153487325 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-25863 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-25862 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-6262-1 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25862 · Security Note
• https://bdu.fstec.ru/vul/2022-00215 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15466 · Security Note
• https://bdu.fstec.ru/vul/2021-00884 · Security Note
• https://bdu.fstec.ru/vul/2022-00269 · Security Note
• https://bdu.fstec.ru/vul/2021-00571 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9428 · Security Note
• https://osv.dev/vulnerability/USN-6262-1 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26575 · Security Note
• https://ubuntu.com/security/CVE-2020-15466 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9431 · Security Note