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CVE-2013-4136

Good to know:

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Date: September 30, 2013

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/.

Language: Ruby

Severity Score

Related Resources (10)

http://rhn.redhat.com/errata/RHSA-2013-1136.html
https://code.google.com/p/phusion-passenger/issues/detail?id=910
https://github.com/advisories/GHSA-w6rc-q387-vpgq
http://www.openwall.com/lists/oss-security/2013/07/16/6
https://github.com/phusion/passenger
https://github.com/phusion/passenger/blob/release-4.0.6/NEWS
https://github.com/phusion/passenger/commit/5483b3292cc2af1c83033eaaadec20dba4dcfd9b
https://nvd.nist.gov/vuln/detail/CVE-2013-4136
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/passenger/CVE-2013-4136.yml
https://www.mend.io/vulnerability-database/CVE-2013-4136

Severity Score

Weakness Type (CWE)

Link Following

CWE-59

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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