CVE-2012-4464

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

Severity Score

5.0

*CVSS v2

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

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
2012-10-11 CVE Published
2023-03-08 EPSS Updated
2024-08-06 CVE 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