Ubuntu 14.04 LTS / 16.04 LTS / 17.10 : curl vulnerabilities (USN-3598-1)

critical Nessus Plugin ID 108403


The remote Ubuntu host is missing one or more security-related patches.


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).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.


Update the affected packages.

See Also


Plugin Details

Severity: Critical

ID: 108403

File Name: ubuntu_USN-3598-1.nasl

Version: 1.5

Type: local

Agent: unix

Published: 3/16/2018

Updated: 9/18/2019

Supported Sensors: Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent

Risk Information


Risk Factor: Medium

Score: 6.7


Risk Factor: High

Base Score: 7.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P


Risk Factor: Critical

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:curl, p-cpe:/a:canonical:ubuntu_linux:libcurl3, p-cpe:/a:canonical:ubuntu_linux:libcurl3-gnutls, p-cpe:/a:canonical:ubuntu_linux:libcurl3-nss, cpe:/o:canonical:ubuntu_linux:14.04, cpe:/o:canonical:ubuntu_linux:16.04, cpe:/o:canonical:ubuntu_linux:17.10

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Patch Publication Date: 3/15/2018

Vulnerability Publication Date: 3/14/2018

Reference Information

CVE: CVE-2018-1000120, CVE-2018-1000121, CVE-2018-1000122

USN: 3598-1