Permissions, Privileges, and Access Controls in ZNC ZNC



| Updated: 2020-07-28
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-12816
CWE-ID CWE-264
Exploitation vector Network
Public exploit N/A
Vulnerable software
 ZNC
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor ZNC

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU32011

Risk: High

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-12816

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

ZNC: 1.7.0 - 1.7.4

CPE2.3 External links

https://lists.opensuse.org/opensuse-security-announce/2019-07/msg00037.html
https://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/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###