Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 18.10 : curl vulnerabilities (USN-3805-1)

High Nessus Plugin ID 118591

Synopsis

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

Description

Harry Sintonen discovered that curl incorrectly handled SASL
authentication. A remote attacker could use this issue to cause curl
to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2018-16839)

Brian Carpenter discovered that curl incorrectly handled memory when
closing certain handles. A remote attacker could use this issue to
cause curl to crash, resulting in a denial of service, or possibly
execute arbitrary code. (CVE-2018-16840)

Brian Carpenter discovered that the curl command-line tool incorrectly
handled error messages. A remote attacker could possibly use this
issue to obtain sensitive information. (CVE-2018-16842).

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.

Solution

Update the affected packages.

See Also

https://usn.ubuntu.com/3805-1/

Plugin Details

Severity: High

ID: 118591

File Name: ubuntu_USN-3805-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 2018/11/01

Modified: 2018/12/10

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.5

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

CVSS v3.0

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, p-cpe:/a:canonical:ubuntu_linux:libcurl4, cpe:/o:canonical:ubuntu_linux:14.04, cpe:/o:canonical:ubuntu_linux:16.04, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.10

Patch Publication Date: 2018/10/31

Reference Information

CVE: CVE-2018-16839, CVE-2018-16840, CVE-2018-16842

USN: 3805-1