Yukihiro Matsumoto Ruby up to 1.8.1 RPC Server denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Yukihiro Matsumoto Ruby up to 1.8.1 and classified as problematic. This affects an unknown function of the component RPC Server. The manipulation results in denial of service. This vulnerability is identified as CVE-2006-1931. Additionally, an exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Yukihiro Matsumoto Ruby up to 1.8.1 (Programming Language Software). It has been classified as problematic. Affected is an unknown code of the component RPC Server. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

The HTTP/XMLRPC server in Ruby before 1.8.2 uses blocking sockets, which allows attackers to cause a denial of service (blocked connections) via a large amount of data.

The bug was discovered 04/20/2006. The weakness was released 11/21/2005 as Bug 189540 as confirmed bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability is traded as CVE-2006-1931 since 04/20/2006. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 21366 (RHEL 4 : ruby (RHSA-2006:0427)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117713 (CentOS Security Update for Ruby (CESA-2006:0427)).

Upgrading to version 1.8.2 eliminates this vulnerability. A possible mitigation has been published 7 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (26102), Exploit-DB (27723), Tenable (21366), SecurityFocus (BID 17645†) and OSVDB (24972†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 21366
Nessus Name: RHEL 4 : ruby (RHSA-2006:0427)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 57304
OpenVAS Name: Debian Security Advisory DSA 1157-1 (ruby1.8)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Ruby 1.8.2

Timelineinfo

11/21/2005 🔍
04/20/2006 +149 days 🔍
04/20/2006 +0 days 🔍
04/20/2006 +0 days 🔍
04/20/2006 +0 days 🔍
04/21/2006 +1 days 🔍
04/24/2006 +3 days 🔍
04/26/2006 +2 days 🔍
04/26/2006 +0 days 🔍
04/30/2006 +3 days 🔍
05/09/2006 +9 days 🔍
05/13/2006 +4 days 🔍
03/12/2015 +3225 days 🔍
06/22/2025 +3755 days 🔍

Sourcesinfo

Advisory: Bug 189540
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-1931 (🔍)
GCVE (CVE): GCVE-0-2006-1931
GCVE (VulDB): GCVE-100-29796

OVAL: 🔍

X-Force: 26102
SecurityFocus: 17645 - Yukihiro Matsumoto Ruby XMLRPC Server Denial of Service Vulnerability
Secunia: 19804 - Ubuntu update for ruby, Moderately Critical
OSVDB: 24972 - Ruby HTTP/XMLRPC Blocking Sockets DoS
SecurityTracker: 1015978
Vulnerability Center: 11286 - Ruby DoS via Large Amounts of Data to HTTP/XMLRPC Server, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/12/2015 12:19
Updated: 06/22/2025 04:40
Changes: 03/12/2015 12:19 (82), 06/17/2019 09:39 (9), 01/27/2025 02:28 (25), 06/22/2025 04:40 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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