GLSA 200903-02: ZNC: Privilege escalation
| Severity: | high |
| Title: | ZNC: Privilege escalation |
| Date: | 03/06/2009 |
| Bugs: | |
| ID: | 200903-02 |
Synopsis
A vulnerability in ZNC allows for privilege escalation.Background
ZNC is an advanced IRC bouncer.
Affected packages
| Package | Vulnerable | Unaffected | Architecture(s) |
|---|---|---|---|
| net-irc/znc | < 0.066 | >= 0.066 | All supported architectures |
Description
cnu discovered multiple CRLF injection vulnerabilities in ZNC's webadmin module.
Impact
A remote authenticated attacker could modify the znc.conf configuration file and gain privileges via newline characters in e.g. the QuitMessage field, and possibly execute arbitrary code.
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-0.066"
References
Availability
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
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.
License
Copyright 2010 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.