USN-1018-1: OpenSSL vulnerability

Ubuntu Security Notice USN-1018-1

17th November, 2010

openssl vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 10.10
  • Ubuntu 10.04 LTS
  • Ubuntu 9.10
  • Ubuntu 8.04 LTS

Software description

  • openssl

Details

Rob Hulswit discovered a race condition in the OpenSSL TLS server
extension parsing code when used within a threaded server. A remote
attacker could trigger this flaw to cause a denial of service
or possibly execute arbitrary code with application privileges.
(CVE-2010-3864)

Update instructions

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

Ubuntu 10.10:
libssl0.9.8 0.9.8o-1ubuntu4.2
Ubuntu 10.04 LTS:
libssl0.9.8 0.9.8k-7ubuntu8.4
Ubuntu 9.10:
libssl0.9.8 0.9.8g-16ubuntu3.4
Ubuntu 8.04 LTS:
libssl0.9.8 0.9.8g-4ubuntu3.12

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

After a standard system update you need to reboot your computer to make
all the necessary changes.

References

CVE-2010-3864