Improper input validation in ZNC - CVE-2018-14055

 

Improper input validation in ZNC - CVE-2018-14055

Published: July 30, 2018 / Updated: July 30, 2018


Vulnerability identifier: #VU14122
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-14055
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: ZNC
Affected software:
ZNC

Detailed vulnerability description

The vulnerability allows a remote attacker to gain elevated privileges on the target system.

The vulnerability exists due to improper validation of untrusted lines coming from the network. A remote unauthenticated attacker can supply specially crafted input to inject rogue values into znc.conf and gain elevated privileges.


How to mitigate CVE-2018-14055

Update to version 1.7.1.

Sources