[SECURITY-L] [USN-6986-1] OpenSSL vulnerability

[CSIRT Unicamp]

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Ubuntu Security Notice USN-6986-1
September 03, 2024

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

- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS

Summary:

OpenSSL could be made to crash or expose sensitive information
if it received a specially crafted certificate.

Software Description:
- openssl: Secure Socket Layer (SSL) cryptographic library and tools

Details:

David Benjamin discovered that OpenSSL incorrectly handled certain
X.509 certificates. An attacker could possible use this issue to
cause a denial of service or expose sensitive information.

Update instructions:

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

Ubuntu 24.04 LTS
  libssl3t64                      3.0.13-0ubuntu3.4
  openssl                         3.0.13-0ubuntu3.4

Ubuntu 22.04 LTS
  libssl3                         3.0.2-0ubuntu1.18
  openssl                         3.0.2-0ubuntu1.18

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

References:
  https://ubuntu.com/security/notices/USN-6986-1
  CVE-2024-6119

Package Information:
  https://launchpad.net/ubuntu/+source/openssl/3.0.13-0ubuntu3.4
  https://launchpad.net/ubuntu/+source/openssl/3.0.2-0ubuntu1.18
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Computer Security Incident Response Team - CSIRT
Universidade Estadual de Campinas - Unicamp
Centro de Computacao - CCUEC
GnuPG Public Key: http://www.security.unicamp.br/security.asc [^]
Contato: +55 19 3521-2289 ou INOC-DBA: 1251*830
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