Ubuntu alert USN-6239-1 (ecdsautils)

From:
             
 
Jorge Sancho Larraz <jorge.sancho.larraz@canonical.com>
To:
             
 
ubuntu-security-announce@lists.ubuntu.com
Subject:
             
 
[USN-6239-1] ECDSA Util vulnerability
Date:
             
 
Thu, 20 Jul 2023 11:50:39 +0200
Message-ID:
             
 
<ca130b03-acf8-ccc5-e1c5-a0da987fea34@canonical.com>
==========================================================================
Ubuntu Security Notice USN-6239-1
July 20, 2023

ecdsautils vulnerability
==========================================================================

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

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)
- Ubuntu 16.04 LTS (Available with Ubuntu Pro)

Summary:

ECDSA Util could be made to accept forged signatures.

Software Description:
- 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.

Update instructions:

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

Ubuntu 22.04 LTS:
   ecdsautils 0.3.2+git20151018-2+deb10u1build0.22.04.1

Ubuntu 20.04 LTS:
   ecdsautils 0.3.2+git20151018-2+deb10u1build0.20.04.1

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
   ecdsautils 0.3.2+git20151018-2ubuntu0.18.04.1~esm1

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
   ecdsautils 0.3.2+git20151018-2ubuntu0.16.04.1~esm1

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

References:
   https://ubuntu.com/security/notices/USN-6239-1
   CVE-2022-24884

Package Information:
https://launchpad.net/ubuntu/+source/ecdsautils/0.3.2+git...
https://launchpad.net/ubuntu/+source/ecdsautils/0.3.2+git...