Ruby up to 1.9.1 on Windows ARGFinplace_mode memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

A vulnerability was found in Ruby up to 1.9.1 on Windows (Programming Language Software). It has been classified as critical. Affected is an unknown code. The manipulation of the argument ARGFinplace_mode with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in Ruby 1.9.x before 1.9.1-p429 on Windows might allow local users to gain privileges via a crafted ARGF.inplace_mode value that is not properly handled when constructing the filenames of the backup files.

The bug was discovered 07/04/2010. The weakness was presented 07/02/2010 (Website). The advisory is shared for download at ruby-lang.org. This vulnerability is traded as CVE-2010-2489 since 06/28/2010. The exploitability is told to be easy. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known.

A public exploit has been developed in Perl. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The commercial vulnerability scanner Qualys is able to test this issue with plugin 118185 (Ruby "ARGF.inplace_mode" Buffer Overflow Vulnerability).

Upgrading to version 1.9.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (60135), SecurityFocus (BID 41321†), OSVDB (66040†), Secunia (SA40442†) and Vulnerability Center (SBV-30755†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 8.4

VulDB Base Score: 9.3
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

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

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OpenVAS ID: 801375
OpenVAS Name: Ruby ARGF.inplace_mode Buffer Overflow Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Ruby 1.9.1

Timelineinfo

06/28/2010 🔍
07/02/2010 +4 days 🔍
07/02/2010 +0 days 🔍
07/02/2010 +0 days 🔍
07/02/2010 +0 days 🔍
07/04/2010 +2 days 🔍
07/07/2010 +3 days 🔍
07/12/2010 +4 days 🔍
04/03/2011 +265 days 🔍
03/19/2015 +1446 days 🔍
01/23/2025 +3598 days 🔍

Sourcesinfo

Advisory: ruby-lang.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2010-2489 (🔍)
GCVE (CVE): GCVE-0-2010-2489
GCVE (VulDB): GCVE-100-53988
X-Force: 60135
SecurityFocus: 41321 - Ruby 'ARGF.inplace_mode' Buffer Overflow Vulnerability
Secunia: 40442
OSVDB: 66040 - Ruby on Windows ARGF.inplace_mode Variable Local Overflow
Vulnerability Center: 30755 - Ruby 1.9-1.9.1-p378 Local Privilege Escalation Vulnerability via a Crafted ARGF.inplace_mode Value, Medium

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

Entryinfo

Created: 03/19/2015 02:37 PM
Updated: 01/23/2025 04:31 PM
Changes: 03/19/2015 02:37 PM (65), 07/31/2019 05:53 PM (9), 01/23/2025 04:31 PM (19)
Complete: 🔍
Cache ID: 18:117:40

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