USN-5354-1: Twisted vulnerabilities

Publication date

30 March 2022

Overview

Several security issues were fixed in Twisted.


Packages

  • twisted - Event-based framework for internet applications

Details

It was discovered that Twisted incorrectly filtered HTTP headers when clients
are being redirected to another origin. A remote attacker could use this issue
to obtain sensitive information. (CVE-2022-21712)

It was discovered that Twisted incorrectly processed SSH handshake data on
connection establishments. A remote attacker could use this issue to cause
Twisted to crash, resulting in a denial of service. (CVE-2022-21716)

It was discovered that Twisted incorrectly filtered HTTP headers when clients
are being redirected to another origin. A remote attacker could use this issue
to obtain sensitive information. (CVE-2022-21712)

It was discovered that Twisted incorrectly processed SSH handshake data on
connection establishments. A remote attacker could use this issue to cause
Twisted to crash, resulting in a denial of service. (CVE-2022-21716)

Update instructions

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

Learn more about how to get the fixes.

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


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