USN-3993-1: curl vulnerabilities

curl vulnerabilities

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

• Ubuntu 19.04
• Ubuntu 18.10
• Ubuntu 18.04 LTS
• Ubuntu 16.04 LTS

Summary

Several security issues were fixed in curl.

Software Description

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

Details

Wenchao Li discovered that curl incorrectly handled memory in the curl_url_set() function. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 19.04. (CVE-2019-5435)

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

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.04

curl - 7.64.0-2ubuntu1.1

libcurl3-gnutls - 7.64.0-2ubuntu1.1

libcurl3-nss - 7.64.0-2ubuntu1.1

libcurl4 - 7.64.0-2ubuntu1.1

Ubuntu 18.10

curl - 7.61.0-1ubuntu2.4

libcurl3-gnutls - 7.61.0-1ubuntu2.4

libcurl3-nss - 7.61.0-1ubuntu2.4

libcurl4 - 7.61.0-1ubuntu2.4

Ubuntu 18.04 LTS

curl - 7.58.0-2ubuntu3.7

libcurl3-gnutls - 7.58.0-2ubuntu3.7

libcurl3-nss - 7.58.0-2ubuntu3.7

libcurl4 - 7.58.0-2ubuntu3.7

Ubuntu 16.04 LTS

curl - 7.47.0-1ubuntu2.13

libcurl3 - 7.47.0-1ubuntu2.13

libcurl3-gnutls - 7.47.0-1ubuntu2.13

libcurl3-nss - 7.47.0-1ubuntu2.13

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

• CVE-2019-5435
• CVE-2019-5436

from Ubuntu Security Notices http://bit.ly/2JAAkcn