USN-3598-2: curl vulnerabilities

24 May 2018

curl vulnerabilities

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

  • Ubuntu 12.04 ESM

Summary

Several security issues were fixed in curl.

Software Description

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

Details

USN-3598-1 fixed a vulnerability in curl. This update provides the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

Phan Thanh discovered that curl incorrectly handled certain FTP paths. An attacker could use this to cause a denial of service or possibly execute arbitrary code. (CVE-2018-1000120)

Dario Weisser discovered that curl incorrectly handled certain LDAP URLs. An attacker could possibly use this issue to cause a denial of service. (CVE-2018-1000121)

Max Dymond discovered that curl incorrectly handled certain RTSP data. An attacker could possibly use this to cause a denial of service or even to get access to sensitive data. (CVE-2018-1000122)

Max Dymond discovered that curl incorrectly handled certain RTSP responses. If a user or automated system were tricked into connecting to a malicious server, a remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly obtain sensitive information. (CVE-2018-1000301)

Update instructions

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

Ubuntu 12.04 ESM
curl - 7.22.0-3ubuntu4.21
libcurl3 - 7.22.0-3ubuntu4.21
libcurl3-gnutls - 7.22.0-3ubuntu4.21
libcurl3-nss - 7.22.0-3ubuntu4.21

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