9.3 - USN-3439-1

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

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

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

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