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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 : 2012-05-11
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- CVSS Scores & Vulnerability Types

CVSS Score
6.3
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)
CWE ID 59

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
3.6
AV:L/AC:L/Au:N/C:N/I:P/A:P 2011-02-18 2011-02-18
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2011-1004 oval:org.opensuse.security:def:20111004 unix
DEPRECATED: ELSA-2011-0909 -- ruby security update (moderate) oval:org.mitre.oval:def:28124 unix
DEPRECATED: ELSA-2011-0910 -- ruby security update (moderate) oval:org.mitre.oval:def:27961 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

http://www.securityfocus.com/bid/46460
BID 46460 Ruby 'FileUtils.remove_entry_secure()' Method Race Condition Vulnerability Release Date:2014-12-15
http://lists.apple.com/archives/security-announce/2012/May/msg00001.html
APPLE APPLE-SA-2012-05-09-1
http://secunia.com/advisories/43573
SECUNIA 43573
http://secunia.com/advisories/43434
SECUNIA 43434
http://osvdb.org/70958
OSVDB 70958
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/054436.html
FEDORA FEDORA-2011-1913
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/054422.html
FEDORA FEDORA-2011-1876
http://support.apple.com/kb/HT5281 CONFIRM
http://www.mandriva.com/security/advisories?name=MDVSA-2011:097
MANDRIVA MDVSA-2011:097
http://www.redhat.com/support/errata/RHSA-2011-0909.html
REDHAT RHSA-2011:0909
http://www.redhat.com/support/errata/RHSA-2011-0910.html
REDHAT RHSA-2011:0910
http://www.vupen.com/english/advisories/2011/0539
VUPEN ADV-2011-0539
http://www.openwall.com/lists/oss-security/2011/02/21/2
MLIST [oss-security] 20110221 CVE request: ruby: FileUtils is vulnerable to symlink race attacks + Exception methods can bypass $SAFE
http://www.openwall.com/lists/oss-security/2011/02/21/5
MLIST [oss-security] 20110221 Re: CVE request: ruby: FileUtils is vulnerable to symlink race attacks + Exception methods can bypass $SAFE
http://www.ruby-lang.org/en/news/2011/02/18/fileutils-is-vulnerable-to-symlink-race-attacks/ CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=678913 CONFIRM

- Metasploit Modules Related To CVE-2011-1004

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


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