Debian LTS Advisory ([SECURITY] [DLA 2007-1] ruby2.1 security update)

Published: 2019-11-26 12:50:25
CVE Author: NIST National Vulnerability Database

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

Summary:
The remote host is missing an update for the 'ruby2.1' Linux Distribution Package(s) announced via the DSA-2007-1 advisory.

Detection Method:
Checks if a vulnerable Linux Distribution Package version is present on the target host.

Technical Details:
Several flaws have been found in ruby2.1, an interpreter of an object-oriented scripting language. CVE-2019-15845 Path matching might pass in File.fnmatch and File.fnmatch? due to a NUL character injection. CVE-2019-16201 A loop caused by a wrong regular expression could lead to a denial of service of a WEBrick service. CVE-2019-16254 This is the same issue as CVE-2017-17742, whose fix was not complete. CVE-2019-16255 Giving untrusted data to the first argument of Shell#[] and Shell#test might lead to a code injection vulnerability.

Affected Versions:
'ruby2.1' Linux Distribution Package(s) on Debian Linux.

Recommendations:
For Debian 8 'Jessie', these problems have been fixed in version 2.1.5-2+deb8u8. We recommend that you upgrade your ruby2.1 Linux Distribution Packages.

Solution Type:
Vendor Patch

Detection Type:
Linux Distribution Package

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2017-17742
https://nvd.nist.gov/vuln/detail/CVE-2019-15845
https://nvd.nist.gov/vuln/detail/CVE-2019-16201
https://nvd.nist.gov/vuln/detail/CVE-2019-16254
https://nvd.nist.gov/vuln/detail/CVE-2019-16255

References:

https://lists.debian.org/debian-lts-announce/2019/11/msg00025.html
https://security-tracker.debian.org/tracker/DLA-2007-1

Severity
Medium
CVSS Score
5.0
Published
2019-11-26
Modified
2019-11-26
Category
Debian Local Security Checks

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