Ubuntu Security Notice USN-4491-1 ≈ Packet Storm – Digitalmunition




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Published on September 11th, 2020 📆 | 7703 Views ⚑

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Ubuntu Security Notice USN-4491-1 ≈ Packet Storm

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Ubuntu Security Notice USN-4491-1
September 09, 2020

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

– Ubuntu 20.04 LTS

Summary:

GnuTLS could be made to crash or run programs if it received specially
crafted network traffic.

Software Description:
– gnutls28: GNU TLS library

Details:

It was discovered that GnuTLS incorrectly handled certain alerts when being
used with TLS 1.3 servers. 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 3.6.13-2ubuntu1.3

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

References:
https://usn.ubuntu.com/4491-1
CVE-2020-24659

Package Information:
https://launchpad.net/ubuntu/+source/gnutls28/3.6.13-2ubuntu1.3

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