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GLSA
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Joined: 12 May 2004
Posts: 2231

PostPosted: Fri Aug 16, 2019 1:26 am    Post subject: [ glsa 201908-15 ] znc Reply with quote

Gentoo Linux Security Advisory

Title: ZNC: Privilege escalation (GLSA 201908-15)
Severity: normal
Exploitable: remote
Date: 2019-08-15
Bug(s): #688152
ID: 201908-15

Synopsis

A vulnerability in ZNC allows users to escalate privileges.

Background

ZNC is an advanced IRC bouncer.

Affected Packages

Package: net-irc/znc
Vulnerable: < 1.7.4_rc1
Unaffected: >= 1.7.4_rc1
Architectures: 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:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=net-irc/znc-1.7.4_rc1"
   


References

CVE-2019-12816
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