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USN-748-1: OpenJDK vulnerabilities

26 March 2009

OpenJDK vulnerabilities

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Releases

Packages

Details

It was discovered that font creation could leak temporary files.
If a user were tricked into loading a malicious program or applet,
a remote attacker could consume disk space, leading to a denial of
service. (CVE-2006-2426, CVE-2009-1100)

It was discovered that the lightweight HttpServer did not correctly close
files on dataless connections. A remote attacker could send specially
crafted requests, leading to a denial of service. (CVE-2009-1101)

The Java Runtime Environment did not correctly validate certain generated
code. If a user were tricked into running a malicious applet a remote
attacker could execute arbitrary code. (CVE-2009-1102)

It was discovered that LDAP connections did not close correctly.
A remote attacker could send specially crafted requests, leading to a
denial of service. (CVE-2009-1093)

Java LDAP routines did not unserialize certain data correctly. A remote
attacker could send specially crafted requests that could lead to
arbitrary code execution. (CVE-2009-1094)

Java did not correctly check certain JAR headers. If a user or
automated system were tricked into processing a malicious JAR file,
a remote attacker could crash the application, leading to a denial of
service. (CVE-2009-1095, CVE-2009-1096)

It was discovered that PNG and GIF decoding in Java could lead to memory
corruption. If a user or automated system were tricked into processing
a specially crafted image, a remote attacker could crash the application,
leading to a denial of service. (CVE-2009-1097, CVE-2009-1098)

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.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 8.10

After a standard system upgrade you need to restart any Java applications
to effect the necessary changes.