1. Ubuntu Security Notices
  2. USN-3598-2

USN-3598-2: curl vulnerabilities

Publication date

24 May 2018

Overview

Several security issues were fixed in curl.

Releases

Packages

  • 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...

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

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
12.04 precise libcurl3-nss –  7.22.0-3ubuntu4.21
curl –  7.22.0-3ubuntu4.21
libcurl3-gnutls –  7.22.0-3ubuntu4.21
libcurl3 –  7.22.0-3ubuntu4.21

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References

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