1. Ubuntu Security Notices
  2. USN-6641-1

USN-6641-1: curl vulnerability

Publication date

19 February 2024

Overview

curl could be made to set cookies that would bypass PSL checks.

Releases

Packages

  • curl - HTTP, HTTPS, and FTP client and client libraries

Details

Harry Sintonen discovered that curl incorrectly handled mixed case cookie
domains. A remote attacker could possibly use this issue to set cookies
that get sent to different and unrelated sites and domains.

Harry Sintonen discovered that curl incorrectly handled mixed case cookie
domains. A remote attacker could possibly use this issue to set cookies
that get sent to different and unrelated sites and domains.

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:

Ubuntu Release Package Version
18.04 bionic curl –  7.58.0-2ubuntu3.24+esm3  
libcurl3-gnutls –  7.58.0-2ubuntu3.24+esm3  
libcurl3-nss –  7.58.0-2ubuntu3.24+esm3  
libcurl4 –  7.58.0-2ubuntu3.24+esm3  
16.04 xenial curl –  7.47.0-1ubuntu2.19+esm11  
libcurl3 –  7.47.0-1ubuntu2.19+esm11  
libcurl3-gnutls –  7.47.0-1ubuntu2.19+esm11  
libcurl3-nss –  7.47.0-1ubuntu2.19+esm11  

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References

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