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USN-6641-1: curl vulnerability

19 February 2024

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

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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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.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 18.04
Ubuntu 16.04

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

References

Related notices

  • USN-6535-1: libcurl3-gnutls, libcurl4-nss-dev, libcurl4-openssl-dev, libcurl3-nss, libcurl4, libcurl4-gnutls-dev, curl, libcurl4-doc