CVE-2016-2049
First published: Mon Feb 01 2016(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Janrain PHP-OpenID |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2016-2049?
The severity of CVE-2016-2049 is considered moderate due to its potential impact on user authentication.
How do I fix CVE-2016-2049?
To fix CVE-2016-2049, ensure that the openid.realm parameter is properly validated against a safe list of allowed values instead of relying on the SERVER_NAME.
What software is affected by CVE-2016-2049?
CVE-2016-2049 affects JanRain PHP OpenID library, also known as php-openid.
Can CVE-2016-2049 lead to remote attacks?
Yes, CVE-2016-2049 can allow remote attackers to hijack user authentication if exploited.
Is there a workaround for CVE-2016-2049?
A possible workaround for CVE-2016-2049 is to implement additional checks and secure configurations for the openid.realm parameter.
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