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USN-6239-1: ECDSA Util vulnerability

20 July 2023

ECDSA Util could be made to accept forged signatures.

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Releases

Packages

  • ecdsautils - ECDSA elliptic curve cryptography command line tools

Details

It was discovered that ECDSA Util did not properly verify certain
signature values.
An attacker could possibly use this issue to bypass signature
verification.

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 22.04
Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04

In general, a standard system update will make all the necessary changes.

References

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Further reading