SB2018080715 - OpenSUSE Linux update for znc

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2018080715

SB2018080715 - OpenSUSE Linux update for znc

Published: August 7, 2018

Security Bulletin ID SB2018080715
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Improper input validation (CVE-ID: CVE-2018-14055)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 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


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.


2) Path traversal (CVE-ID: CVE-2018-14056)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The vulnerability exists due to path traversal flaw when handling malicious input passed via ../ in a web skin name. A remote unauthenticated attacker can supply specially crafted input to  access files outside of the intended skins directories.


Remediation

Install update from vendor's website.

References