GLSA 201908-15: ZNC: Privilege escalation

http://security.gentoo.org/

Severity:	normal
Title:	ZNC: Privilege escalation
Date:	08/15/2019
Bugs:	#688152
ID:	201908-15

Synopsis

A vulnerability in ZNC allows users to escalate privileges.

Background

ZNC is an advanced IRC bouncer.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
net-irc/znc	< 1.7.4_rc1	>= 1.7.4_rc1	All supported architectures

Description

It was discovered that ZNC’s “Modules.cpp” allows remote authenticated non-admin users to escalate privileges.

Impact

A remote authenticated attacker could escalate privileges and subsequently execute arbitrary code or conduct a Denial of Service attack.

Workaround

There is no known workaround at this time.

Resolution

All ZNC users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=net-irc/znc-1.7.4_rc1"

References

CVE-2019-12816

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201908-15.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.