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Gentoo: GLSA 201908-15 Normal: ZNC Privilege Escalation and Risks

gentoo
Calendar Grey August 15, 2019
Dist Gentoo Esm H88
Gentoo GLSA 202110-12: Sudo poses a security risk; immediate upgrade suggested for all users to mitigate prospective threats.
A vulnerability in ZNC allows users to escalate privileges.

Summary

It was discovered that ZNC's "Modules.cpp" allows remote authenticated non-admin users to escalate privileges.

Topics%20covered

Topics Covered

security advisory denial of service gentoo privilege escalation arbitrary code execution normal severity znc

Resolution

All ZNC users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-irc/znc-1.7.4_rc1"

References

[ 1 ] CVE-2019-12816 https://nvd.nist.gov/vuln/detail/CVE-2019-12816

Availability

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

Severity: Normal
Title: ZNC: Privilege escalation
Date: August 15, 2019
Bugs: #688152
ID: 201908-15

Topics%20covered

Topics Covered

security advisory denial of service gentoo privilege escalation arbitrary code execution normal severity znc

Synopsis

A vulnerability in ZNC allows users to escalate privileges.

Background

ZNC is an advanced IRC bouncer.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-irc/znc < 1.7.4_rc1 >= 1.7.4_rc1

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.

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