USN-3805-1: curl vulnerabilities

curl vulnerabilities

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

• Ubuntu 18.10
• Ubuntu 18.04 LTS
• Ubuntu 16.04 LTS
• Ubuntu 14.04 LTS

Summary

Several security issues were fixed in curl.

Software Description

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

Details

Harry Sintonen discovered that curl incorrectly handled SASL authentication. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2018-16839)

Brian Carpenter discovered that curl incorrectly handled memory when closing certain handles. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2018-16840)

Brian Carpenter discovered that the curl command-line tool incorrectly handled error messages. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2018-16842)

Update instructions

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

Ubuntu 18.10

curl - 7.61.0-1ubuntu2.2

libcurl3-gnutls - 7.61.0-1ubuntu2.2

libcurl3-nss - 7.61.0-1ubuntu2.2

libcurl4 - 7.61.0-1ubuntu2.2

Ubuntu 18.04 LTS

curl - 7.58.0-2ubuntu3.5

libcurl3-gnutls - 7.58.0-2ubuntu3.5

libcurl3-nss - 7.58.0-2ubuntu3.5

libcurl4 - 7.58.0-2ubuntu3.5

Ubuntu 16.04 LTS

curl - 7.47.0-1ubuntu2.11

libcurl3 - 7.47.0-1ubuntu2.11

libcurl3-gnutls - 7.47.0-1ubuntu2.11

libcurl3-nss - 7.47.0-1ubuntu2.11

Ubuntu 14.04 LTS

curl - 7.35.0-1ubuntu2.19

libcurl3 - 7.35.0-1ubuntu2.19

libcurl3-gnutls - 7.35.0-1ubuntu2.19

libcurl3-nss - 7.35.0-1ubuntu2.19

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-2018-16839
• CVE-2018-16840
• CVE-2018-16842

from Ubuntu Security Notices https://ift.tt/2CSrX7S