USN-3598-1: curl vulnerabilities

15 March 2018

curl vulnerabilities

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

  • Ubuntu 17.10
  • 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

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)

Update instructions

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

Ubuntu 17.10
curl - 7.55.1-1ubuntu2.4
libcurl3 - 7.55.1-1ubuntu2.4
libcurl3-gnutls - 7.55.1-1ubuntu2.4
libcurl3-nss - 7.55.1-1ubuntu2.4
Ubuntu 16.04 LTS
curl - 7.47.0-1ubuntu2.7
libcurl3 - 7.47.0-1ubuntu2.7
libcurl3-gnutls - 7.47.0-1ubuntu2.7
libcurl3-nss - 7.47.0-1ubuntu2.7
Ubuntu 14.04 LTS
curl - 7.35.0-1ubuntu2.15
libcurl3 - 7.35.0-1ubuntu2.15
libcurl3-gnutls - 7.35.0-1ubuntu2.15
libcurl3-nss - 7.35.0-1ubuntu2.15

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