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CVE-2013-4522

Date: November 25, 2013

lib/filelib.php in Moodle through 2.2.11, 2.3.x before 2.3.10, 2.4.x before 2.4.7, and 2.5.x before 2.5.3 does not send "Cache-Control: private" HTTP headers, which allows remote attackers to obtain sensitive information by requesting a file that had been previously retrieved by a caching proxy server.

Language: PHP

Severity Score

Related Resources (7)

https://moodle.org/mod/forum/discuss.php?d=244479
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-38743
http://openwall.com/lists/oss-security/2013/11/25/1
https://github.com/moodle/moodle
https://github.com/moodle/moodle/commit/d0041fb110201d3dc1a4546eca8b6108b440d1c5
https://nvd.nist.gov/vuln/detail/CVE-2013-4522
https://www.mend.io/vulnerability-database/CVE-2013-4522

Severity Score

Weakness Type (CWE)

Exposure of Sensitive Information to an Unauthorized Actor

CWE-200

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): LOW
Integrity (I): NONE
Availability (A): NONE

CVSS v2

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

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