Executive Summary

Summary
Title ZNC: Privilege escalation
Informations
Name GLSA-201908-15 First vendor Publication 2019-08-15
Vendor Gentoo Last vendor Modification 2019-08-15
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:S/C:P/I:P/A:P)
Cvss Base Score 6.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 8 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

Synopsis

A vulnerability in ZNC allows users to escalate privileges.

Background

ZNC is an advanced IRC bouncer.

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

[ 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

Original Source

Url : http://security.gentoo.org/glsa/glsa-201908-15.xml

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-264 Permissions, Privileges, and Access Controls

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 30

Alert History

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0
Date Informations
2019-08-15 21:18:41
  • First insertion