SB2018051741 - Path traversal in znc (Alpine package)
Published: May 17, 2018
Security Bulletin ID
SB2018051741
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Path traversal (CVE-ID: CVE-2018-14056)
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
- https://git.alpinelinux.org/aports/commit/?id=9f597246c67939eeee73b2e42c904193c37d14b1
- https://git.alpinelinux.org/aports/commit/?id=62a80018841bb60b9177b31ece4411ddbf18a027
- https://git.alpinelinux.org/aports/commit/?id=16956b90ab430f1836112c44807b832d8f520760
- https://git.alpinelinux.org/aports/commit/?id=0fec0a0abada9125f1b853d55225ac39a0b3da5c
- https://git.alpinelinux.org/aports/commit/?id=bd4fb24c372fc0a49ab402a6773ad26ee7314d80
- https://git.alpinelinux.org/aports/commit/?id=46eeaeb856c3f54e2bd5641aac51a9b2ddb9fb8c
- https://git.alpinelinux.org/aports/commit/?id=98215e479882b7bbf540e8afb166a2b5c3504ed8
- https://git.alpinelinux.org/aports/commit/?id=e5e70ffbec9391d4976c831b7dd67cff59754a71
- https://git.alpinelinux.org/aports/commit/?id=08a520794c55b9996da14cb6c7bf9b94aba0f3b7