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CVE-2016-2049

Date: February 1, 2016

examples/consumer/common.php in JanRain PHP OpenID library (aka php-openid) improperly checks the openid.realm parameter against the SERVER_NAME element in the SERVER superglobal array, which might allow remote attackers to hijack the authentication of arbitrary users via vectors involving a crafted HTTP Host header.

Language: PHP

Severity Score

Related Resources (5)

http://www.openwall.com/lists/oss-security/2016/01/24/5
http://www.openwall.com/lists/oss-security/2016/01/24/2
https://nvd.nist.gov/vuln/detail/CVE-2016-2049
https://people.canonical.com/~ubuntu-security/cve/CVE-2016-2049
https://www.mend.io/vulnerability-database/CVE-2016-2049

Severity Score

Weakness Type (CWE)

Improper Access Control

CWE-284

CVSS v3.1

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

CVSS v2

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

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