5.0
MEDIUM
CVE-2009-1904
Ruby BigDecimal Denial of Service (DoS) Vulnerability
Description

The BigDecimal library in Ruby 1.8.6 before p369 and 1.8.7 before p173 allows context-dependent attackers to cause a denial of service (application crash) via a string argument that represents a large number, as demonstrated by an attempted conversion to the Float data type.

INFO

Published Date :

June 11, 2009, 9:30 p.m.

Last Modified :

Sept. 29, 2017, 1:34 a.m.

Remotely Exploitable :

Yes !

Impact Score :

2.9

Exploitability Score :

10.0
Public PoC/Exploit Available at Github

CVE-2009-1904 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2009-1904 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Ruby-lang ruby
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2009-1904.

URL Resource
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=532689 Patch
http://bugs.gentoo.org/show_bug.cgi?id=273213
http://github.com/NZKoz/bigdecimal-segfault-fix/tree/master Patch
http://groups.google.com/group/rubyonrails-security/msg/fad60751e2b9b4f6?dmode=source
http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html
http://mail-index.netbsd.org/pkgsrc-changes/2009/06/10/msg024708.html
http://osvdb.org/55031
http://redmine.ruby-lang.org/issues/show/794 Exploit Patch
http://secunia.com/advisories/35399 Vendor Advisory
http://secunia.com/advisories/35527
http://secunia.com/advisories/35593
http://secunia.com/advisories/35699
http://secunia.com/advisories/35937
http://secunia.com/advisories/37705
http://security.gentoo.org/glsa/glsa-200906-02.xml
http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.430805
http://support.apple.com/kb/HT4077
http://weblog.rubyonrails.org/2009/6/10/dos-vulnerability-in-ruby/ Patch
http://www.mandriva.com/security/advisories?name=MDVSA-2009:160
http://www.redhat.com/support/errata/RHSA-2009-1140.html
http://www.ruby-forum.com/topic/189071
http://www.ruby-lang.org/en/news/2009/06/09/dos-vulnerability-in-bigdecimal/ Patch Vendor Advisory
http://www.securityfocus.com/bid/35278
http://www.securitytracker.com/id?1022371
http://www.ubuntu.com/usn/USN-805-1
http://www.vupen.com/english/advisories/2009/1563
https://bugs.launchpad.net/bugs/385436
https://bugs.launchpad.net/bugs/cve/2009-1904
https://exchange.xforce.ibmcloud.com/vulnerabilities/51032
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9780
https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00731.html

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Shell

Updated: 1 week, 4 days ago
3 stars 2 fork 2 watcher
Born at : March 23, 2023, 4:32 a.m. This repo has been linked 435 different CVEs too.

Provides a quick workaround for the segfault bug in Ruby (CVE-2009-1904)

Ruby

Updated: 8 years ago
14 stars 3 fork 3 watcher
Born at : June 8, 2009, 11:21 p.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2009-1904 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2009-1904 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Sep. 29, 2017

    Action Type Old Value New Value
    Removed Reference http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:9780 [No Types Assigned]
    Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9780 [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 17, 2017

    Action Type Old Value New Value
    Removed Reference http://xforce.iss.net/xforce/xfdb/51032 [No Types Assigned]
    Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/51032 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jun. 12, 2009

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2009-1904 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2009-1904 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

2.52 }} 0.00%

score

0.88459

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability