[SECURITY] [DLA 1480-1] ruby2.1 security update

2018-08-2720:25:50

lists.debian.org

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.022 Low

EPSS

Percentile

89.2%

JSON

Package : ruby2.1
Version : 2.1.5-2+deb8u5
CVE ID : CVE-2016-2337 CVE-2018-1000073 CVE-2018-1000074
Debian Bug : 895778 851161

Several vulnerabilities were discovered in Ruby 2.1.

CVE-2016-2337

Type confusion exists in _cancel_eval Ruby&#x27;s TclTkIp class
method. Attacker passing different type of object than String as
&quot;retval&quot; argument can cause arbitrary code execution.

CVE-2018-1000073

RubyGems contains a Directory Traversal vulnerability in
install_location function of package.rb that can result in path
traversal when writing to a symlinked basedir outside of the root.

CVE-2018-1000074

RubyGems contains a Deserialization of Untrusted Data
vulnerability in owner command that can result in code
execution. This attack appear to be exploitable via victim must
run the `gem owner` command on a gem with a specially crafted YAML
file.

For Debian 8 "Jessie", these problems have been fixed in version
2.1.5-2+deb8u5.

We recommend that you upgrade your ruby2.1 packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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OSVersionArchitecturePackageVersionFilename
Debian9i386ruby2.3-tcltk-dbgsym< 2.3.3-1+deb9u3ruby2.3-tcltk-dbgsym_2.3.3-1+deb9u3_i386.deb
Debian9armellibruby2.3-dbgsym< 2.3.3-1+deb9u3libruby2.3-dbgsym_2.3.3-1+deb9u3_armel.deb
Debian9alljruby< 1.7.26-1+deb9u1jruby_1.7.26-1+deb9u1_all.deb
Debian9arm64libruby2.3-dbgsym< 2.3.3-1+deb9u3libruby2.3-dbgsym_2.3.3-1+deb9u3_arm64.deb
Debian9arm64ruby2.3-tcltk-dbgsym< 2.3.3-1+deb9u3ruby2.3-tcltk-dbgsym_2.3.3-1+deb9u3_arm64.deb
Debian9arm64ruby2.3< 2.3.3-1+deb9u3ruby2.3_2.3.3-1+deb9u3_arm64.deb
Debian9amd64libruby2.3-dbgsym< 2.3.3-1+deb9u3libruby2.3-dbgsym_2.3.3-1+deb9u3_amd64.deb
Debian8armhfruby2.1< 2.1.5-2+deb8u5ruby2.1_2.1.5-2+deb8u5_armhf.deb
Debian9i386libruby2.3< 2.3.3-1+deb9u3libruby2.3_2.3.3-1+deb9u3_i386.deb
Debian9s390xruby2.3-dev< 2.3.3-1+deb9u3ruby2.3-dev_2.3.3-1+deb9u3_s390x.deb

OS	Version	Architecture	Package	Version	Filename
Debian	9	i386	ruby2.3-tcltk-dbgsym	< 2.3.3-1+deb9u3	ruby2.3-tcltk-dbgsym_2.3.3-1+deb9u3_i386.deb
Debian	9	armel	libruby2.3-dbgsym	< 2.3.3-1+deb9u3	libruby2.3-dbgsym_2.3.3-1+deb9u3_armel.deb
Debian	9	all	jruby	< 1.7.26-1+deb9u1	jruby_1.7.26-1+deb9u1_all.deb
Debian	9	arm64	libruby2.3-dbgsym	< 2.3.3-1+deb9u3	libruby2.3-dbgsym_2.3.3-1+deb9u3_arm64.deb
Debian	9	arm64	ruby2.3-tcltk-dbgsym	< 2.3.3-1+deb9u3	ruby2.3-tcltk-dbgsym_2.3.3-1+deb9u3_arm64.deb
Debian	9	arm64	ruby2.3	< 2.3.3-1+deb9u3	ruby2.3_2.3.3-1+deb9u3_arm64.deb
Debian	9	amd64	libruby2.3-dbgsym	< 2.3.3-1+deb9u3	libruby2.3-dbgsym_2.3.3-1+deb9u3_amd64.deb
Debian	8	armhf	ruby2.1	< 2.1.5-2+deb8u5	ruby2.1_2.1.5-2+deb8u5_armhf.deb
Debian	9	i386	libruby2.3	< 2.3.3-1+deb9u3	libruby2.3_2.3.3-1+deb9u3_i386.deb
Debian	9	s390x	ruby2.3-dev	< 2.3.3-1+deb9u3	ruby2.3-dev_2.3.3-1+deb9u3_s390x.deb