GLSA 200808-05: ISC DHCP: Denial of Service
| Severity: | normal |
| Title: | ISC DHCP: Denial of Service |
| Date: | 08/06/2008 |
| Bugs: | |
| ID: | 200808-05 |
Synopsis
A Denial of Service vulnerability was discovered in ISC DHCP.Background
ISC DHCP is ISC's reference implementation of all aspects of the Dynamic Host Configuration Protocol.
Affected packages
| Package | Vulnerable | Unaffected | Architecture(s) |
|---|---|---|---|
| net-misc/dhcp | < 3.1.1 | >= 3.1.1 | All supported architectures |
Description
A buffer overflow error was found in ISC DHCP server, that can only be exploited under unusual server configurations where the DHCP server is configured to provide clients with a large set of DHCP options.
Impact
A remote attacker could exploit this vulnerability to cause a Denial of Service.
Workaround
There is no known workaround at this time.
Resolution
All ISC DHCP users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/dhcp-3.1.1"
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.