Ubuntu Security Notice 4129-2 - USN-4129-1 fixed a vulnerability in curl. This update provides the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM. 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. Various other issues were also addressed.
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Ubuntu Security Notice USN-4129-2
September 12, 2019
curl vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM
Summary:
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
Details:
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.
References:
https://usn.ubuntu.com/4129-2
https://usn.ubuntu.com/4129-1
CVE-2019-5482