Ubuntu 14.04 LTS / 16.04 LTS / 17.10 : ruby1.9.1, ruby2.3 vulnerabilities (USN-3528-1)

High Nessus Plugin ID 105751

Synopsis

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

Description

It was discovered that Ruby incorrectly handled certain terminal emulator escape sequences. An attacker could use this to execute arbitrary code via a crafted user name. This issue only affected Ubuntu 16.04 LTS and Ubuntu 17.10. (CVE-2017-10784)

It was discovered that Ruby incorrectly handled certain strings. An attacker could use this to cause a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 17.10. (CVE-2017-14033)

It was discovered that Ruby incorrectly handled some generating JSON.
An attacker could use this to possible expose sensitive information.
This issue only affected Ubuntu 16.04 LTS and Ubuntu 17.10.
(CVE-2017-14064)

It was discovered that Ruby incorrectly handled certain inputs. An attacker could use this to execute arbitrary code. (CVE-2017-17790).

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/3528-1/

Plugin Details

Severity: High

ID: 105751

File Name: ubuntu_USN-3528-1.nasl

Version: 3.5

Type: local

Agent: unix

Published: 2018/01/11

Updated: 2018/12/01

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 9.3

Temporal Score: 6.9

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

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

CVSS v3.0

Base Score: 9.8

Temporal Score: 8.5

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libruby1.9.1, p-cpe:/a:canonical:ubuntu_linux:libruby2.3, p-cpe:/a:canonical:ubuntu_linux:ruby1.9.1, p-cpe:/a:canonical:ubuntu_linux:ruby1.9.3, p-cpe:/a:canonical:ubuntu_linux:ruby2.3, 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

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2018/01/10

Reference Information

CVE: CVE-2017-10784, CVE-2017-14033, CVE-2017-14064, CVE-2017-17790

USN: 3528-1