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
