The following updates has been released for Ubuntu Linux:
USN-3624-2: Patch vulnerabilities
USN-3625-1: Perl vulnerabilities
USN-3626-1: Ruby vulnerabilities
USN-3624-2: Patch vulnerabilities
USN-3625-1: Perl vulnerabilities
USN-3626-1: Ruby vulnerabilities
USN-3624-2: Patch vulnerabilities
==========================================================================
Ubuntu Security Notice USN-3624-2
April 16, 2018
patch vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary:
Several security issues were fixed in Patch.
Software Description:
- patch: Apply a diff file to an original
Details:
USN-3624-1 fixed a vulnerability in Patch. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
It was discovered that Patch incorrectly handled certain files. An
attacker could possibly use this to cause a denial of service.Â
(CVE-2016-10713)
It was discovered that Patch incorrectly handled certain input
validation. An attacker could possibly use this to execute arbitrary
code. (CVE-2018-1000156)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 ESM:
patch 2.6.1-3ubuntu0.2
In general, a standard system update will make all the necessary
changes.
References:
https://usn.ubuntu.com/usn/usn-3624-2
https://usn.ubuntu.com/usn/usn-3624-1
CVE-2016-10713, CVE-2018-1000156
USN-3625-1: Perl vulnerabilities
==========================================================================
Ubuntu Security Notice USN-3625-1
April 16, 2018
perl vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary:
Several security issues were fixed in Perl.
Software Description:
- perl: Practical Extraction and Report Language
Details:
It was discovered that Perl incorrectly handled certain regular
expressions. An attacker could possibly use this issue to cause Perl to
hang, resulting in a denial of service. This issue only affected Ubuntu
14.04 LTS. (CVE-2015-8853)
It was discovered that Perl incorrectly loaded libraries from the current
working directory. A local attacker could possibly use this issue to
execute arbitrary code. This issue only affected Ubuntu 14.04 LTS and
Ubuntu 16.04 LTS. (CVE-2016-6185)
It was discovered that Perl incorrectly handled the rmtree and remove_tree
functions. A local attacker could possibly use this issue to set the mode
on arbitrary files. This issue only affected Ubuntu 14.04 LTS and Ubuntu
16.04 LTS. (CVE-2017-6512)
Brian Carpenter discovered that Perl incorrectly handled certain regular
expressions. An attacker could use this issue to cause Perl to crash,
resulting in a denial of service, or possibly execute arbitrary code. This
issue has only been addressed in Ubuntu 16.04 LTS and Ubuntu 17.10.
(CVE-2018-6797)
Nguyen Duc Manh discovered that Perl incorrectly handled certain regular
expressions. An attacker could use this issue to cause Perl to crash,
resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS
and Ubuntu 17.10. (CVE-2018-6798)
GwanYeong Kim discovered that Perl incorrectly handled certain data when
using the pack function. An attacker could use this issue to cause Perl to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2018-6913)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 17.10:
perl 5.26.0-8ubuntu1.1
Ubuntu 16.04 LTS:
perl 5.22.1-9ubuntu0.3
Ubuntu 14.04 LTS:
perl 5.18.2-2ubuntu1.4
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/usn/usn-3625-1
CVE-2015-8853, CVE-2016-6185, CVE-2017-6512, CVE-2018-6797,
CVE-2018-6798, CVE-2018-6913
Package Information:
https://launchpad.net/ubuntu/+source/perl/5.26.0-8ubuntu1.1
https://launchpad.net/ubuntu/+source/perl/5.22.1-9ubuntu0.3
https://launchpad.net/ubuntu/+source/perl/5.18.2-2ubuntu1.4
USN-3626-1: Ruby vulnerabilities
==========================================================================
Ubuntu Security Notice USN-3626-1
April 16, 2018
ruby1.9.1, ruby2.0, ruby2.3 vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary:
Several security issues were fixed in Ruby.
Software Description:
- ruby2.3: Object-oriented scripting language
- ruby1.9.1: Object-oriented scripting language
- ruby2.0: Object-oriented scripting language
Details:
It was discovered that Ruby incorrectly handled certain inputs. An
attacker could possibly use this to execute arbitrary code.
(CVE-2018-6914)
It was discovered that Ruby incorrectly handled certain inputs. An
attacker could possibly use this to access sensitive information.
(CVE-2018-8778, CVE-2018-8780)
It was discovered that Ruby incorrectly handled certain inputs. An
attacker could possibly use this to connect to an unintended socket.
(CVE-2018-8779)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 17.10:
libruby2.3 2.3.3-1ubuntu1.5
ruby2.3 2.3.3-1ubuntu1.5
Ubuntu 16.04 LTS:
libruby2.3 2.3.1-2~16.04.9
ruby2.3 2.3.1-2~16.04.9
Ubuntu 14.04 LTS:
libruby1.9.1 1.9.3.484-2ubuntu1.11
libruby2.0 2.0.0.484-1ubuntu2.9
ruby1.9.1 1.9.3.484-2ubuntu1.11
ruby1.9.3 1.9.3.484-2ubuntu1.11
ruby2.0 2.0.0.484-1ubuntu2.9
In general, a standard system update will make all the necessary
changes.
References:
https://usn.ubuntu.com/usn/usn-3626-1
CVE-2018-6914, CVE-2018-8778, CVE-2018-8779, CVE-2018-8780
Package Information:
https://launchpad.net/ubuntu/+source/ruby2.3/2.3.3-1ubuntu1.5
https://launchpad.net/ubuntu/+source/ruby2.3/2.3.1-2~16.04.9
https://launchpad.net/ubuntu/+source/ruby1.9.1/1.9.3.484-2ubuntu1.11
https://launchpad.net/ubuntu/+source/ruby2.0/2.0.0.484-1ubuntu2.9