USN-940-2: Kerberos vulnerability
Publication date
21 July 2010
Overview
An attacker could send crafted input to kadmind and cause it to crash.
Releases
Packages
- krb5 - MIT Kerberos
Details
USN-940-1 fixed vulnerabilities in Kerberos. This update provides the
corresponding updates for Ubuntu 10.04.
Original advisory details:
Joel Johnson, Brian Almeida, and Shawn Emery discovered that Kerberos
did not correctly verify certain packet structures. An unauthenticated
remote attacker could send specially crafted traffic to cause the KDC or
kadmind services to crash, leading to a denial of service. (CVE-2010-1320,
CVE-2010-1321)
USN-940-1 fixed vulnerabilities in Kerberos. This update provides the
corresponding updates for Ubuntu 10.04.
Original advisory details:
Joel Johnson, Brian Almeida, and Shawn Emery discovered that Kerberos
did not correctly verify certain packet structures. An unauthenticated
remote attacker could send specially crafted traffic to cause the KDC or
kadmind services to crash, leading to a denial of service. (CVE-2010-1320,
CVE-2010-1321)
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 10.04 lucid | krb5-admin-server – 1.8.1+dfsg-2ubuntu0.2 | ||
Reduce your security exposure
Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.