Improper input validation in Znc

CVE-2018-14055

ZNC before 1.7.1-rc1 does not properly validate untrusted lines coming from the network, allowing a non-admin user to escalate his privilege and inject rogue values into znc.conf.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.015 (70.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
  • 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-2018-14055?
CVE-2018-14055 is a medium-severity vulnerability in Znc, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2018-07-15.
How severe is CVE-2018-14055?
Medium severity. CVSS v3 base score is 6.5 out of 10.