PT-2024-28697 · Znc+2 · Znc+2

Dasbrain + 1 · Published 2024-07-03 · Updated 2024-09-04 · CVE-2024-39844

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions ZNC versions prior to 1.9.1

Description The issue allows for remote code execution in the modtcl module of ZNC, which can be triggered through a prepared kick message.

Recommendations For versions prior to 1.9.1, update to version 1.9.1 or later to resolve the issue. As a temporary workaround, consider disabling the modtcl module until a patch is available. Restrict access to the modtcl module to minimize the risk of exploitation.

Fix

RCE

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

CVE-2024-39844

DSA-5725-1

MGASA-2024-0257

OPENSUSE-SU-2024:0203-1

OPENSUSE-SU-2024:14115-1

USN-6990-1

Affected Products

Linuxmint

Ubuntu

Znc

References · 28

• https://osv.dev/vulnerability/openSUSE-SU-2024:14115-1 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2024-0257 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-39844 · Security Note
• https://cve.org/CVERecord?id=CVE-2024-39844 · Security Note
• https://ubuntu.com/security/notices/USN-6990-1 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2024-0257.html · Security Note
• https://osv.dev/vulnerability/CVE-2024-39844 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:0203-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2024-39844 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-5725-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2024-39844 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2024-39844 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/712235 · Security Note
• https://ubuntu.com/security/CVE-2024-39844 · Vendor Advisory
• https://osv.dev/vulnerability/USN-6990-1 · Vendor Advisory