CVE-2009-4124: Buffer Overflow

Published Dec 11, 2009

Updated

Heap-based buffer overflow in the rbstrjustify function in string.c in Ruby 1.9.1 before 1.9.1-p376 allows context-dependent attackers to execute arbitrary code via unspecified vectors involving (1) String#ljust, (2) String#center, or (3) String#rjust. NOTE: some of these details are obtained from third party information.

Affected Software

7 affected components

ruby-lang Ruby=1.9.1--preview_2

ruby-lang Ruby=1.9.1--p0

ruby-lang Ruby=1.9.1--rc2

ruby-lang Ruby=1.9.1--preview_1

ruby-lang Ruby=1.9.1--rc1

ruby-lang Ruby=1.9.1--p129

ruby-lang Ruby=1.9.1--p243

Remediation

Patch Available

http://www.ruby-lang.org/en/news/2009/12/07/heap-overflow-in-string/

Event History

Dec 11, 2009

CVE Published

via MITRE·04:00 PM

Data Sourced

via MITRE·04:00 PM

Description

Frequently Asked Questions

What is the severity of CVE-2009-4124?

CVE-2009-4124 has a high severity rating due to its potential for allowing arbitrary code execution.

How do I fix CVE-2009-4124?

To fix CVE-2009-4124, upgrade Ruby to version 1.9.1-p376 or later.

Which versions of Ruby are affected by CVE-2009-4124?

Ruby versions 1.9.1 before 1.9.1-p376 are affected by CVE-2009-4124.

What types of attacks are possible with CVE-2009-4124?

CVE-2009-4124 can be exploited to execute arbitrary code through certain string formatting methods.

Who can be affected by CVE-2009-4124?

Users of affected Ruby versions who process untrusted data could be vulnerable to CVE-2009-4124.