PT-2021-18190 · Ircii · Ircii

Michael Ortmann · Published 2021-03-30 · Updated 2021-09-21 · CVE-2021-29376

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: ircII versions prior to 20210314

Description: The issue allows remote attackers to cause a denial of service, resulting in a segmentation fault and client crash. This can disconnect the victim from an IRC server via a crafted CTCP UTC message.

Recommendations: For versions prior to 20210314, update to a version 20210314 or later to resolve the issue. As a temporary workaround, consider restricting the handling of CTCP UTC messages to minimize the risk of exploitation.

Fix

Related Identifiers

CVE-2021-29376

DLA-2746-1

DLA-2747-1

Affected Products

Ircii

References · 22

• https://ubuntu.com/security/CVE-2021-29376 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-29376 · Security Note
• https://osv.dev/vulnerability/CVE-2021-29376 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-29376 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-29376 · Vendor Advisory
• http://eterna.com.au/ircii · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-29376 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-29376 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2021-29376 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-2746-1 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-2747-1 · Vendor Advisory
• http://openwall.com/lists/oss-security/2021/03/30/4 · Note
• https://security.alpinelinux.org/vuln/CVE-2021-29376 · Note
• https://t.me/cvenotify/19866 · Telegram Post
• https://t.me/cvenotify/19863 · Telegram Post