Ubuntu 12.04 LTS / 14.04 LTS / 16.04 LTS : curl vulnerabilities (USN-3048-1)

High Nessus Plugin ID 92815


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


Bru Rom discovered that curl incorrectly handled client certificates when resuming a TLS session. (CVE-2016-5419)

It was discovered that curl incorrectly handled client certificates when reusing TLS connections. (CVE-2016-5420)

Marcelo Echeverria and Fernando Munoz discovered that curl incorrectly reused a connection struct, contrary to expectations. This issue only applied to Ubuntu 14.04 LTS and Ubuntu 16.04 LTS.

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 libcurl3, libcurl3-gnutls and / or libcurl3-nss packages.

Plugin Details

Severity: High

ID: 92815

File Name: ubuntu_USN-3048-1.nasl

Version: $Revision: 2.5 $

Type: local

Agent: unix

Published: 2016/08/09

Modified: 2016/12/01

Dependencies: 12634

Risk Information

Risk Factor: High


Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: CVSS2#E:U/RL:OF/RC:C


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:libcurl3, p-cpe:/a:canonical:ubuntu_linux:libcurl3-gnutls, p-cpe:/a:canonical:ubuntu_linux:libcurl3-nss, cpe:/o:canonical:ubuntu_linux:12.04:-:lts, cpe:/o:canonical:ubuntu_linux:14.04, cpe:/o:canonical:ubuntu_linux:16.04

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

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2016/08/08

Reference Information

CVE: CVE-2016-5419, CVE-2016-5420, CVE-2016-5421

OSVDB: 142492, 142493, 142494

USN: 3048-1