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Ubuntu Security Notice USN-3439-1

Ubuntu Security Notice USN-3439-1
Posted Oct 5, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3439-1 - It was discovered that Ruby incorrectly handled certain inputs. An attacker could use this to cause a buffer overrun. Yusuke Endoh discovered that Ruby incorrectly handled certain files. An attacker could use this to execute terminal escape sequences. Yusuke Endoh discovered that Ruby incorrectly handled certain inputs. An attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, overflow, ruby
systems | linux, ubuntu
advisories | CVE-2017-0898, CVE-2017-0899, CVE-2017-0900, CVE-2017-0901, CVE-2017-10784, CVE-2017-14033, CVE-2017-14064
MD5 | acf4ee6763f726b90e15eafb6a7cecd7

Ubuntu Security Notice USN-3439-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3439-1
October 05, 2017

ruby1.9.1 vulnerabilities
==========================================================================

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

- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in Ruby.

Software Description:
- ruby1.9.1: Object-oriented scripting language

Details:

It was discovered that Ruby incorrectly handled certain inputs.
An attacker could use this to cause a buffer overrun.
(CVE-2017-0898)

Yusuke Endoh discovered that Ruby incorrectly handled certain files.
An attacker could use this to execute terminal escape sequences.
(CVE-2017-0899)

Yusuke Endoh discovered that Ruby incorrectly handled certain inputs.
An attacker could use this to cause a denial of service.
(CVE-2017-0900)

It was discovered that Ruby incorrectly handled certain files.
An attacker could use this to overwrite any file on the filesystem.
(CVE-2017-0901)

It was discovered that Ruby incorrectly handled certain inputs.
An attacker could use this to execute arbitrary code.
(CVE-2017-10784)

It was discovered that Ruby incorrectly handled certain inputs.
An attacker could use this to cause a denial of service.
(CVE-2017-14033)

It was discovered that Ruby incorrectly handled certain files.
An attacker could use this to expose sensitive information.
(CVE-2017-14064)

Update instructions:

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

Ubuntu 14.04 LTS:
A libruby1.9.1A A A A A A A A A A A A A A A A A A A A 1.9.3.484-2ubuntu1.5
A ruby1.9.1A A A A A A A A A A A A A A A A A A A A A A A 1.9.3.484-2ubuntu1.5
A ruby1.9.3A A A A A A A A A A A A A A A A A A A A A A A 1.9.3.484-2ubuntu1.5

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

References:
A https://www.ubuntu.com/usn/usn-3439-1
A CVE-2017-0898, CVE-2017-0899, CVE-2017-0900, CVE-2017-0901,
A CVE-2017-10748, CVE-2017-14033, CVE-2017-14064

Package Information:
A https://launchpad.net/ubuntu/+source/ruby1.9.1/1.9.3.484-2ubuntu1.5

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