USN-3262-1: curl vulnerability

Publication date

20 April 2017

Overview

Applications using curl could allow unintended access over the network.

Releases


Packages

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

Details

It was discovered that curl incorrectly handled client certificates when
resuming a TLS session. A remote attacker could use this to hijack a
previously authenticated connection.

It was discovered that curl incorrectly handled client certificates when
resuming a TLS session. A remote attacker could use this to hijack a
previously authenticated connection.

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
17.04 zesty libcurl3-nss –  7.52.1-4ubuntu1.1
curl –  7.52.1-4ubuntu1.1
libcurl3-gnutls –  7.52.1-4ubuntu1.1
libcurl3 –  7.52.1-4ubuntu1.1

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