1. Ubuntu Security Notices
  2. USN-3993-2

USN-3993-2: curl vulnerability

Publication date

22 May 2019

Overview

curl could be made to crash if it received a specially crafted data.

Releases

Packages

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

Details

USN-3993-1 fixed a vulnerability in curl. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that curl incorrectly handled memory when receiving data
from a TFTP server. A remote attacker could use this issue to cause curl to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2019-5436)

USN-3993-1 fixed a vulnerability in curl. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that curl incorrectly handled memory when receiving data
from a TFTP server. A remote attacker could use this issue to cause curl to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2019-5436)

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+esm2
libcurl3-nss –  7.35.0-1ubuntu2.20+esm2
libcurl3 –  7.35.0-1ubuntu2.20+esm2
curl –  7.35.0-1ubuntu2.20+esm2
12.04 precise libcurl3-gnutls –  7.22.0-3ubuntu4.26
libcurl3-nss –  7.22.0-3ubuntu4.26
libcurl3 –  7.22.0-3ubuntu4.26
curl –  7.22.0-3ubuntu4.26

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References

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