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USN-353-2: OpenSSL vulnerability

5 October 2006

OpenSSL vulnerability

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Releases

Details

USN-353-1 fixed several vulnerabilities in OpenSSL. However, Mark J
Cox noticed that the applied patch for CVE-2006-2940 was flawed. This
update corrects that patch.

For reference, this is the relevant part of the original advisory:

Certain types of public key could take disproportionate amounts of
time to process. The library now limits the maximum key exponent
size to avoid Denial of Service attacks. (CVE-2006-2940)

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 6.06
  • libssl0.9.8 - 0.9.8a-7ubuntu0.3
Ubuntu 5.10
  • libssl0.9.7 - 0.9.7g-1ubuntu1.5
Ubuntu 5.04
  • libssl0.9.7 - 0.9.7e-3ubuntu0.6

After a standard system upgrade you need to reboot your computer to
effect the necessary changes.

References

Related notices

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Further reading