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

Source: USN-3993-1: curl vulnerabilities

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