Twenty Year Anniversary

Ubuntu Security Notice USN-3808-1

Ubuntu Security Notice USN-3808-1
Posted Nov 6, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3808-1 - It was discovered that Ruby incorrectly handled certain X.509 certificates. An attacker could possibly use this issue to bypass the certificate check. It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code.

tags | advisory, arbitrary, ruby
systems | linux, ubuntu
advisories | CVE-2018-16395, CVE-2018-16396
MD5 | 40861160d83fcf2ea2b6534d3fc4fe66

Ubuntu Security Notice USN-3808-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3808-1
November 05, 2018

ruby1.9.1, ruby2.0, ruby2.3, ruby2.5 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in Ruby.

Software Description:
- ruby2.5: Interpreter of object-oriented scripting language Ruby
- 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 X.509
certificates. An attacker could possibly use this issue to
bypass the certificate check. (CVE-2018-16395)

It was discovered that Ruby incorrectly handled certain
inputs. An attacker could possibly use this issue to execute
arbitrary code. (CVE-2018-16396)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.10:
libruby2.5 2.5.1-5ubuntu4.1
ruby2.5 2.5.1-5ubuntu4.1

Ubuntu 18.04 LTS:
libruby2.5 2.5.1-1ubuntu1.1
ruby2.5 2.5.1-1ubuntu1.1

Ubuntu 16.04 LTS:
libruby2.3 2.3.1-2~16.04.11
ruby2.3 2.3.1-2~16.04.11

Ubuntu 14.04 LTS:
libruby1.9.1 1.9.3.484-2ubuntu1.13
libruby2.0 2.0.0.484-1ubuntu2.11
ruby1.9.1 1.9.3.484-2ubuntu1.13
ruby1.9.3 1.9.3.484-2ubuntu1.13
ruby2.0 2.0.0.484-1ubuntu2.11

In general, a standard system update will make all the necessary
changes.

References:
https://usn.ubuntu.com/usn/usn-3808-1
CVE-2018-16395, CVE-2018-16396

Package Information:
https://launchpad.net/ubuntu/+source/ruby2.5/2.5.1-5ubuntu4.1
https://launchpad.net/ubuntu/+source/ruby2.5/2.5.1-1ubuntu1.1
https://launchpad.net/ubuntu/+source/ruby2.3/2.3.1-2~16.04.11
https://launchpad.net/ubuntu/+source/ruby1.9.1/1.9.3.484-2ubuntu1.13
https://launchpad.net/ubuntu/+source/ruby2.0/2.0.0.484-1ubuntu2.11

Comments

RSS Feed Subscribe to this comment feed

No comments yet, be the first!

Login or Register to post a comment

File Archive:

November 2018

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Nov 1st
    10 Files
  • 2
    Nov 2nd
    15 Files
  • 3
    Nov 3rd
    2 Files
  • 4
    Nov 4th
    2 Files
  • 5
    Nov 5th
    32 Files
  • 6
    Nov 6th
    27 Files
  • 7
    Nov 7th
    8 Files
  • 8
    Nov 8th
    9 Files
  • 9
    Nov 9th
    17 Files
  • 10
    Nov 10th
    2 Files
  • 11
    Nov 11th
    2 Files
  • 12
    Nov 12th
    33 Files
  • 13
    Nov 13th
    29 Files
  • 14
    Nov 14th
    23 Files
  • 15
    Nov 15th
    45 Files
  • 16
    Nov 16th
    11 Files
  • 17
    Nov 17th
    0 Files
  • 18
    Nov 18th
    0 Files
  • 19
    Nov 19th
    0 Files
  • 20
    Nov 20th
    0 Files
  • 21
    Nov 21st
    0 Files
  • 22
    Nov 22nd
    0 Files
  • 23
    Nov 23rd
    0 Files
  • 24
    Nov 24th
    0 Files
  • 25
    Nov 25th
    0 Files
  • 26
    Nov 26th
    0 Files
  • 27
    Nov 27th
    0 Files
  • 28
    Nov 28th
    0 Files
  • 29
    Nov 29th
    0 Files
  • 30
    Nov 30th
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2018 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close