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CVE-2012-4464

Date: April 25, 2013

Ruby 1.9.3 before patchlevel 286 and 2.0 before revision r37068 allows context-dependent attackers to bypass safe-level restrictions and modify untainted strings via the (1) exc_to_s or (2) name_err_to_s API function, which marks the string as tainted, a different vulnerability than CVE-2012-4466. NOTE: this issue might exist because of a CVE-2011-1005 regression.

Severity Score

Related Resources (10)

http://www.openwall.com/lists/oss-security/2012/10/03/9
https://nvd.nist.gov/vuln/detail/CVE-2012-4464
https://bugzilla.redhat.com/show_bug.cgi?id=862598
http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=37068
http://www.openwall.com/lists/oss-security/2012/10/02/4
http://lists.fedoraproject.org/pipermail/package-announce/2012-October/089554.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-October/089887.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2012-4464
http://www.ruby-lang.org/en/news/2012/10/12/cve-2012-4464-cve-2012-4466/
https://www.mend.io/vulnerability-database/CVE-2012-4464

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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