PT-2021-14917 · Wireshark+1 · Wireshark+1

Published 2021-06-07 · Updated 2022-04-01 · CVE-2021-22222

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 3.4.0 through 3.4.5

Description: The issue is related to an infinite loop in the DVB-S2-BB dissector, which can cause a denial of service. This can be triggered via packet injection or by using a crafted capture file.

Recommendations: For Wireshark versions 3.4.0 through 3.4.5, update to a version outside of this range to resolve the issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Infinite Loop

Weakness Enumeration

CWE-835

Related Identifiers

ALT-PU-2021-1978

ALT-PU-2021-2371

ALT-PU-2022-1368

AZL-7406

CVE-2021-22222

DSA-5019-1

MGASA-2021-0279

Affected Products

Alt Linux

Wireshark

References · 24

• https://nvd.nist.gov/vuln/detail/CVE-2021-22222 · Security Note
• https://osv.dev/vulnerability/MGASA-2021-0279 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-22222 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-22222 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-7406 · Vendor Advisory
• https://security.gentoo.org/glsa/202107-21 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-22222 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2021-0279.html · Security Note
• https://cve.org/CVERecord?id=CVE-2021-22222 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-22222 · Vendor Advisory
• https://gitlab.com/wireshark/wireshark/-/merge_requests/3130 · Patch
• https://wireshark.org/security/wnpa-sec-2021-05.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-22222 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-5019-1 · Vendor Advisory
• https://oracle.com/security-alerts/cpuoct2021.html · Patch