1. Ubuntu Security Notices
  2. USN-4903-1

USN-4903-1: curl vulnerability

Publication date

7 April 2021

Overview

curl could be made to expose sensitive information over the network.

Releases

Packages

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

Details

Viktor Szakats discovered that curl did not strip off user credentials
from referrer header fields. A remote attacker could possibly use this
issue to obtain sensitive information.

Viktor Szakats discovered that curl did not strip off user credentials
from referrer header fields. A remote attacker could possibly use this
issue to obtain sensitive information.

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
14.04 trusty libcurl3-gnutls –  7.35.0-1ubuntu2.20+esm7
libcurl3-nss –  7.35.0-1ubuntu2.20+esm7
libcurl3 –  7.35.0-1ubuntu2.20+esm7
curl –  7.35.0-1ubuntu2.20+esm7

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.

Get Ubuntu Pro

References

Have additional questions?

Talk to a member of the team ›