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Ubuntu 14.04 ESM: USN-3993-2 Critical Vulnerability in Curl Detected

ubuntu
Calendar Grey May 22, 2019
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-3994-1 tackles a vulnerability in the wget tool that may lead to unexpected behavior, affecting Ubuntu 16.04 and 18.04 ESM.
curl could be made to crash if it received a specially crafted data.

Summary

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

Software Description:

- 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)

Topics%20covered

Topics Covered

security advisory denial of service critical arbitrary code execution ubuntu curl

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+esm2
  libcurl3                        7.35.0-1ubuntu2.20+esm2
  libcurl3-gnutls                 7.35.0-1ubuntu2.20+esm2
  libcurl3-nss                    7.35.0-1ubuntu2.20+esm2

Ubuntu 12.04 ESM:
  curl                            7.22.0-3ubuntu4.26
  libcurl3                        7.22.0-3ubuntu4.26
  libcurl3-gnutls                 7.22.0-3ubuntu4.26
  libcurl3-nss                    7.22.0-3ubuntu4.26

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

References

  https://ubuntu.com/security/notices/USN-3993-2

  https://ubuntu.com/security/notices/USN-3993-1

  CVE-2019-5436

Severity
critical
Lowest
Low
Medium
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Critical

May 22, 2019

Topics%20covered

Topics Covered

security advisory denial of service critical arbitrary code execution ubuntu curl

Package Information

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