Ubuntu Security Notice USN-4129-2

Ubuntu Security Notice USN-4129-2
September 12, 2019

curl vulnerability
A security issue affects these releases of Ubuntu and its derivatives:

– Ubuntu 14.04 ESM
– Ubuntu 12.04 ESM


curl could be made to crash or possibly execute arbitrary code
if it incorrectly handled memory during TFTP transfers.

Software Description:
– curl: HTTP, HTTPS, and FTP client and client libraries


USN-4129-1 fixed a vulnerability in curl. This update provides
the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM.

Original advisory details:

Thomas Vegas discovered that curl incorrectly handled memory during TFTP
transfers. A remote attacker could use this issue to crash curl, resulting
in a denial of service, or possibly execute arbitrary code.

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+esm3
libcurl3 7.35.0-1ubuntu2.20+esm3
libcurl3-gnutls 7.35.0-1ubuntu2.20+esm3
libcurl3-nss 7.35.0-1ubuntu2.20+esm3

Ubuntu 12.04 ESM:
curl 7.22.0-3ubuntu4.27
libcurl3 7.22.0-3ubuntu4.27
libcurl3-gnutls 7.22.0-3ubuntu4.27
libcurl3-nss 7.22.0-3ubuntu4.27

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