USN-3439-1: Ruby vulnerabilities

5 October 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
libruby1.9.1 - 1.9.3.484-2ubuntu1.5
ruby1.9.1 - 1.9.3.484-2ubuntu1.5
ruby1.9.3 - 1.9.3.484-2ubuntu1.5

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References