CVE-2011-1004

Ruby: Symlink race condition by removing directory trees in fileutils module

Severity Score

6.3

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The FileUtils.remove_entry_secure method in Ruby 1.8.6 through 1.8.6-420, 1.8.7 through 1.8.7-330, 1.8.8dev, 1.9.1 through 1.9.1-430, 1.9.2 through 1.9.2-136, and 1.9.3dev allows local users to delete arbitrary files via a symlink attack.

El método FileUtils.remove_entry_secure de Ruby 1.8.6 hasta la versión 1.8.6-420, 1.8.7 hasta la 1.8.7-330, 1.8.8dev, 1.9.1 hasta la 1.9.1-430, 1.9.2 hasta la 1.9.2-136 y 1.9.3dev permite a usuarios locales borrar archivos de su elección a través de un enlace de ataque simbólico ("symlink attack").

*Credits: N/A

Attack Vector

Local

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

Complete

Availability

Complete

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2011-02-14 CVE Reserved
2011-03-02 CVE Published
2023-03-08 EPSS Updated
2024-08-06 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-59: Improper Link Resolution Before File Access ('Link Following')

CAPEC

References (17)

URL	Tag	Source
http://osvdb.org/70958	Vdb Entry
http://secunia.com/advisories/43573	Third Party Advisory
http://support.apple.com/kb/HT5281	X_refsource_confirm
http://www.securityfocus.com/bid/46460	Vdb Entry
http://www.vupen.com/english/advisories/2011/0539	Vdb Entry

URL	Date	SRC

URL	Date	SRC
http://www.openwall.com/lists/oss-security/2011/02/21/2	2012-05-12
http://www.openwall.com/lists/oss-security/2011/02/21/5	2012-05-12
http://www.ruby-lang.org/en/news/2011/02/18/fileutils-is-vulnerable-to-symlink-race-attacks	2012-05-12
https://bugzilla.redhat.com/show_bug.cgi?id=678913	2011-06-28

URL	Date	SRC
http://lists.apple.com/archives/security-announce/2012/May/msg00001.html	2012-05-12
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/054422.html	2012-05-12
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/054436.html	2012-05-12
http://secunia.com/advisories/43434	2012-05-12
http://www.mandriva.com/security/advisories?name=MDVSA-2011:097	2012-05-12
http://www.redhat.com/support/errata/RHSA-2011-0909.html	2012-05-12
http://www.redhat.com/support/errata/RHSA-2011-0910.html	2012-05-12
https://access.redhat.com/security/cve/CVE-2011-1004	2011-06-28

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"				1.8.6 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.6"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.7 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.7"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.8 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.8"		dev		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.9.1 Search vendor "Ruby-lang" for product "Ruby" and version "1.9.1"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.9.2 Search vendor "Ruby-lang" for product "Ruby" and version "1.9.2"		-		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"		dev		Affected