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Ubuntu alert USN-1519-1 (isc-dhcp)
========================================================================== Ubuntu Security Notice USN-1519-1 July 26, 2012 isc-dhcp vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 12.04 LTS - Ubuntu 11.10 - Ubuntu 11.04 Summary: DHCP could be made to crash if it received specially crafted network traffic. Software Description: - isc-dhcp: DHCP server and client Details: Markus Hietava discovered that the DHCP server incorrectly handled certain malformed client identifiers. A remote attacker could use this issue to cause DHCP to crash, resulting in a denial of service. (CVE-2012-3571) Glen Eustace discovered that the DHCP server incorrectly handled memory. A remote attacker could use this issue to cause DHCP to crash, resulting in a denial of service. (CVE-2012-3954) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 12.04 LTS: isc-dhcp-server 4.1.ESV-R4-0ubuntu5.2 Ubuntu 11.10: isc-dhcp-server 4.1.1-P1-17ubuntu10.3 Ubuntu 11.04: isc-dhcp-server 4.1.1-P1-15ubuntu9.4 In general, a standard system update will make all the necessary changes. References: http://www.ubuntu.com/usn/usn-1519-1 CVE-2012-3571, CVE-2012-3954 Package Information: https://launchpad.net/ubuntu/+source/isc-dhcp/4.1.ESV-R4-... https://launchpad.net/ubuntu/+source/isc-dhcp/4.1.1-P1-17... https://launchpad.net/ubuntu/+source/isc-dhcp/4.1.1-P1-15... -- ubuntu-security-announce mailing list ubuntu-security-announce@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security... (Log in to post comments)
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