Ubuntu 5029-1: GnuTLS vulnerabilities | LinuxSecurity.com

Advisories

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Ubuntu Security Notice USN-5029-1
August 02, 2021

gnutls28 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS

Summary:

Several security issues were fixed in GnuTLS.

Software Description:
- gnutls28: GNU TLS library

Details:

It was discovered that GnuTLS incorrectly handled sending certain
extensions when being used as a client. A remote attacker could use this
issue to cause GnuTLS to crash, resulting in a denial of service, or
possibly execute arbitrary code.

Update instructions:

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

Ubuntu 20.04 LTS:
  libgnutls30                     3.6.13-2ubuntu1.6

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

References:
  https://ubuntu.com/security/notices/USN-5029-1
  CVE-2021-20231, CVE-2021-20232

Package Information:
  https://launchpad.net/ubuntu/+source/gnutls28/3.6.13-2ubuntu1.6

Ubuntu 5029-1: GnuTLS vulnerabilities

August 2, 2021

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS Summary: Several security issues were fixed in GnuTLS. Software Description: - gnutls28: GNU TLS library Details: It was discovered that GnuTLS incorrectly handled sending certain extensions when being used as a client. A remote attacker could use this issue to cause GnuTLS to crash, resulting in a denial of service, or possibly execute arbitrary code.

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: libgnutls30 3.6.13-2ubuntu1.6 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5029-1

CVE-2021-20231, CVE-2021-20232

Severity
Ubuntu Security Notice USN-5029-1

Package Information

https://launchpad.net/ubuntu/+source/gnutls28/3.6.13-2ubuntu1.6

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