SB2019061506 - Permissions, Privileges, and Access Controls in ZNC ZNC
Published: June 15, 2019 Updated: July 28, 2020
Security Bulletin ID
SB2019061506
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-12816)
The vulnerability allows a remote authenticated user to execute arbitrary code.
Modules.cpp in ZNC before 1.7.4-rc1 allows remote authenticated non-admin users to escalate privileges and execute arbitrary code by loading a module with a crafted name.
Remediation
Install update from vendor's website.
References
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00037.html
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00018.html
- https://github.com/znc/znc/commit/8de9e376ce531fe7f3c8b0aa4876d15b479b7311
- https://github.com/znc/znc/compare/be1b6bc...d1997d6
- https://lists.debian.org/debian-lts-announce/2019/06/msg00017.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4O24TQOB73X57GACLZVMRVUK4UKHLE5G/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NHR6OD52FQAG5ZPZ42NJM2T765C3V2XC/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TEESIGRNFLZUWXZPDGXAZ7JZTHYBDJ7G/
- https://seclists.org/bugtraq/2019/Jun/23
- https://security.gentoo.org/glsa/201908-15
- https://usn.ubuntu.com/4044-1/