rack up to 1.4.1 lib/rack/multipart.rb infinite loop

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in rack and classified as problematic. This issue affects some unknown processing in the library lib/rack/multipart.rb. This manipulation causes infinite loop. This vulnerability is handled as CVE-2012-6109. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in rack and classified as problematic. Affected by this vulnerability is an unknown part in the library lib/rack/multipart.rb. The manipulation with an unknown input leads to a infinite loop vulnerability. The CWE definition for the vulnerability is CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. As an impact it is known to affect availability. The summary by CVE is:

lib/rack/multipart.rb in Rack before 1.1.4, 1.2.x before 1.2.6, 1.3.x before 1.3.7, and 1.4.x before 1.4.2 uses an incorrect regular expression, which allows remote attackers to cause a denial of service (infinite loop) via a crafted Content-Disposion header.

The weakness was released 03/01/2013 by Ben Murphy (Website). The advisory is shared at groups.google.com. This vulnerability is known as CVE-2012-6109 since 12/06/2012. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 74053 (GLSA-201405-10 : Rack: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 166267 (SUSE Enterprise Linux Security Update for Ruby On Rails 3.2 stack (SUSE-SU-2013:0707-2)).

Upgrading to version 1.1.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (81342), Tenable (74053), SecurityFocus (BID 57860†) and Vulnerability Center (SBV-38718†). Entries connected to this vulnerability are available at VDB-7681, VDB-8032, VDB-10950 and VDB-63665. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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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: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Infinite loop
CWE: CWE-835 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 74053
Nessus Name: GLSA-201405-10 : Rack: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 865243
OpenVAS Name: Fedora Update for rubygem-rack FEDORA-2013-0837
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: rack 1.1.0
Patch: github.com

Timelineinfo

12/06/2012 🔍
02/08/2013 +64 days 🔍
03/01/2013 +21 days 🔍
03/01/2013 +0 days 🔍
03/01/2013 +0 days 🔍
03/12/2013 +11 days 🔍
05/19/2014 +433 days 🔍
03/24/2015 +309 days 🔍
12/29/2021 +2472 days 🔍

Sourcesinfo

Product: github.com

Advisory: c9f65df37a151821eb88ddd1dc404b83e52c52d5
Researcher: Ben Murphy
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-6109 (🔍)
GCVE (CVE): GCVE-0-2012-6109
GCVE (VulDB): GCVE-100-63661
X-Force: 81342
SecurityFocus: 57860 - Rack Timing Attack Remote Code Execution Vulnerability
Vulnerability Center: 38718 - Rack Multiple Versions Remote DoS via a Crafted Content Disposion Header, Medium

See also: 🔍

Entryinfo

Created: 03/24/2015 12:22
Updated: 12/29/2021 17:35
Changes: 03/24/2015 12:22 (68), 06/08/2017 23:47 (5), 12/29/2021 17:21 (4), 12/29/2021 17:28 (1), 12/29/2021 17:35 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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