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CVE-2012-4522

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Date: November 24, 2012

The rb_get_path_check function in file.c in Ruby 1.9.3 before patchlevel 286 and Ruby 2.0.0 before r37163 allows context-dependent attackers to create files in unexpected locations or with unexpected names via a NUL byte in a file path.

Language: C++

Severity Score

Related Resources (12)

https://people.canonical.com/~ubuntu-security/cve/CVE-2012-4522
https://access.redhat.com/security/cve/CVE-2012-4522
http://www.openwall.com/lists/oss-security/2012/10/12/6
http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=37163
http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090235.html
https://nvd.nist.gov/vuln/detail/CVE-2012-4522
http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090515.html
http://www.openwall.com/lists/oss-security/2012/10/13/1
http://rhn.redhat.com/errata/RHSA-2013-0129.html
http://www.ruby-lang.org/en/news/2012/10/12/poisoned-NUL-byte-vulnerability/
http://www.openwall.com/lists/oss-security/2012/10/16/1
https://www.mend.io/vulnerability-database/CVE-2012-4522

Severity Score

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

CVSS v3.1

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

CVSS v2

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

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