USN-4466-2: curl vulnerability
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Ubuntu Security Notice USN-4466-2
August 20, 2020
curl vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 ESM
Summary:
curl could be made to expose sensitive information over the network.
Software Description:
- curl: HTTP, HTTPS, and FTP client and client libraries
Details:
USN-4466-1 fixed a vulnerability in curl. This update provides
the corresponding update for Ubuntu 14.04 ESM.
Original advisory details:
Marc Aldorasi discovered that curl incorrectly handled the libcurl
CURLOPT_CONNECT_ONLY option. This could result in data being sent to the
wrong destination, possibly exposing sensitive information.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 14.04 ESM:
curl 7.35.0-1ubuntu2.20+esm5
libcurl3-gnutls 7.35.0-1ubuntu2.20+esm5
libcurl3-nss 7.35.0-1ubuntu2.20+esm5
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4466-2
https://usn.ubuntu.com/4466-1
CVE-2020-8231
A curl security update has been released for Ubuntu Linux 14.04 ESM to address an incorrectly handled libcurl CURLOPT_CONNECT_ONLY option.