Path Traversal in Znc

CVE-2018-14056

ZNC before 1.7.1-rc1 is prone to a path traversal flaw via ../ in a web skin name to access files outside of the intended skins directories.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.020 (78.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Znc
Debian Debian_linux — versions 9.0
N/a — versions n/a

Weakness classification (CWE)

CWE-22 — Path Traversal

References

cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)

Frequently asked questions

What is CVE-2018-14056?: CVE-2018-14056 is a medium-severity vulnerability in Znc, classified under Path Traversal. CVSS score: 5.3/10. Published 2018-07-15.
How severe is CVE-2018-14056?: Medium severity. CVSS v3 base score is 5.3 out of 10.