CVE-2012-4464

1.9.3: Possibility to bypass Ruby's $SAFE (level 4) semantics

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Ruby 1.9.3 before patchlevel 286 and 2.0 before revision r37068 allows context-dependent attackers to bypass safe-level restrictions and modify untainted strings via the (1) exc_to_s or (2) name_err_to_s API function, which marks the string as tainted, a different vulnerability than CVE-2012-4466. NOTE: this issue might exist because of a CVE-2011-1005 regression.

Ruby v1.9.3 antes patchlevel 286 y v2.0 antes de la revisión r37068 permite a atacantes dependientes de contexto para evitar las restricciones de seguridad de nivel y modifican a través de las cadenas untainted (1) exc_to_s o (2) la función API name_err_to_s, que marca la cadena como contaminada, un diferentes vulnerabilidad a CVE-2012-4466. NOTA: este problema puede existir como consecuencia de una CVE-2011-1005 de regresión.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2012-08-21 CVE Reserved
2013-04-25 CVE Published
2024-08-06 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-264: Permissions, Privileges, and Access Controls
CWE-266: Incorrect Privilege Assignment

CAPEC

References (8)

URL	Tag	Source
http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=37068	X_refsource_misc
http://www.openwall.com/lists/oss-security/2012/10/02/4	Mailing List
http://www.openwall.com/lists/oss-security/2012/10/03/9	Mailing List

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://lists.fedoraproject.org/pipermail/package-announce/2012-October/089554.html	2013-08-27
http://lists.fedoraproject.org/pipermail/package-announce/2012-October/089887.html	2013-08-27
http://www.ruby-lang.org/en/news/2012/10/12/cve-2012-4464-cve-2012-4466	2013-08-27
https://bugzilla.redhat.com/show_bug.cgi?id=862598	2013-02-28
https://access.redhat.com/security/cve/CVE-2012-4464	2013-02-28

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.9.3 Search vendor "Ruby-lang" for product "Ruby" and version "1.9.3"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.9.3 Search vendor "Ruby-lang" for product "Ruby" and version "1.9.3"		p0		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.9.3 Search vendor "Ruby-lang" for product "Ruby" and version "1.9.3"		p125		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.9.3 Search vendor "Ruby-lang" for product "Ruby" and version "1.9.3"		p194		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.0 Search vendor "Ruby-lang" for product "Ruby" and version "2.0"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.0.0 Search vendor "Ruby-lang" for product "Ruby" and version "2.0.0"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.0.0 Search vendor "Ruby-lang" for product "Ruby" and version "2.0.0"		p0		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.0.0 Search vendor "Ruby-lang" for product "Ruby" and version "2.0.0"		preview1		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.0.0 Search vendor "Ruby-lang" for product "Ruby" and version "2.0.0"		preview2		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.0.0 Search vendor "Ruby-lang" for product "Ruby" and version "2.0.0"		rc1		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.0.0 Search vendor "Ruby-lang" for product "Ruby" and version "2.0.0"		rc2		Affected