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USN-1541-1: libotr vulnerability

16 August 2012

Applications using Off-the-Record messaging plugins could be made to crash or run programs if it received specially crafted network messages.

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Releases

Packages

  • libotr - Off-the-Record Messaging library

Details

Justin Ferguson discovered multiple heap overflows in libotr. A remote
attacker could use this to craft a malformed OTR message that could
cause a denial of service via application crash or possibly execute
arbitrary code.

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 12.04
Ubuntu 11.10
Ubuntu 11.04
Ubuntu 10.04

After a standard system update you need to restart any instant
messaging applications using an Off-the-Record messaging plugin to
make all the necessary changes.

References

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Further reading