Vulnerability DatabaseCVE-2013-4136
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CVE-2013-4136
Published:September 30, 2013
Updated:May 17, 2026
ext/common/ServerInstanceDir.h in Phusion Passenger gem before 4.0.6 for Ruby allows local users to gain privileges or possibly change the ownership of arbitrary directories via a symlink attack on a directory with a predictable name in /tmp/.
Affected Packages
passenger (RUBY):
Affected version(s) >=1.0.1 <4.0.6
Fix Suggestion:
Update to version 4.0.6
Related Resources (9)
https://github.com/phusion/passenger/blob/release-4.0.6/NEWS
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/passenger/CVE-2013-4136.yml
https://github.com/advisories/GHSA-w6rc-q387-vpgq
https://github.com/phusion/passenger/commit/5483b3292cc2af1c83033eaaadec20dba4dcfd9b
https://github.com/phusion/passenger
https://code.google.com/p/phusion-passenger/issues/detail?id=910
https://nvd.nist.gov/vuln/detail/CVE-2013-4136
http://rhn.redhat.com/errata/RHSA-2013-1136.html
http://www.openwall.com/lists/oss-security/2013/07/16/6
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CVSS v4
Base Score:
2.1
Attack Vector
LOCAL
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.9
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
CVSS v2
Base Score:
4.4
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Weakness Type (CWE)
Improper Link Resolution Before File Access ('Link Following')
CWE-59
EPSS
Base Score:
0.04