Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

Alerts This Week
Warning Icon 1 544
Alerts This Week
Warning Icon 1 544

Ubuntu 14.04 LTS: USN-3439-1 Moderate: Ruby Buffer Overflow Threats

ubuntu
Calendar Grey October 5, 2017
Scroller Ubuntu
Numerous Python bugs resolved in Ubuntu 16.04 LTS, improving security against remote code execution and data exposure threats.
Several security issues were fixed in Ruby.

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-...

Read the Full Advisory

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://ubuntu.com/security/notices/USN-3439-1

  CVE-2017-0898, CVE-2017-0899, CVE-2017-0900, CVE-2017-0901,

  CVE-2017-10748, CVE-2017-14033, CVE-2017-14064

Severity
important
Lowest
Low
Medium
High
Critical

October 05, 2017

Package Information

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

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.