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Vulnerability Details : CVE-2011-1004

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.
Publish Date : 2011-03-02 Last Update Date : 2012-05-12
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
AV:L/AC:L/Au:N/C:N/I:P/A:P 2011-02-18 2011-02-18
If you are a vendor and you have additional data which can be automatically imported into our database, please contact admin @

- Related OVAL Definitions

Title Definition Id Class Family
CVE-2011-1004 unix
DEPRECATED: ELSA-2011-0910 -- ruby security update (moderate) oval:org.mitre.oval:def:27961 unix
DEPRECATED: ELSA-2011-0909 -- ruby security update (moderate) oval:org.mitre.oval:def:28124 unix
ELSA-2011:0909: ruby security update (Moderate) oval:org.mitre.oval:def:23159 unix
ELSA-2011:0910: ruby security update (Moderate) oval:org.mitre.oval:def:23508 unix
RHSA-2011:0909: ruby security update (Moderate) oval:org.mitre.oval:def:21638 unix
RHSA-2011:0909: ruby security update (Moderate) oval:com.redhat.rhsa:def:20110909 unix
RHSA-2011:0910: ruby security update (Moderate) oval:org.mitre.oval:def:21881 unix
RHSA-2011:0910: ruby security update (Moderate) oval:com.redhat.rhsa:def:20110910 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2011-1004

# Product Type Vendor Product Version Update Edition Language
1 Application Ruby-lang Ruby 1.8.6 * * * Version Details Vulnerabilities
2 Application Ruby-lang Ruby 1.8.7 * * * Version Details Vulnerabilities
3 Application Ruby-lang Ruby 1.8.8 DEV * * Version Details Vulnerabilities
4 Application Ruby-lang Ruby 1.9.1 * * * Version Details Vulnerabilities
5 Application Ruby-lang Ruby 1.9.2 * * * Version Details Vulnerabilities
6 Application Ruby-lang Ruby 1.9.3 DEV * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Ruby-lang Ruby 6

- References For CVE-2011-1004
REDHAT RHSA-2011:0909
REDHAT RHSA-2011:0910
VUPEN ADV-2011-0539
OSVDB 70958
MLIST [oss-security] 20110221 Re: CVE request: ruby: FileUtils is vulnerable to symlink race attacks + Exception methods can bypass $SAFE CONFIRM
BID 46460 Ruby 'FileUtils.remove_entry_secure()' Method Race Condition Vulnerability Release Date:2014-12-15
MLIST [oss-security] 20110221 CVE request: ruby: FileUtils is vulnerable to symlink race attacks + Exception methods can bypass $SAFE
APPLE APPLE-SA-2012-05-09-1

- Metasploit Modules Related To CVE-2011-1004

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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