CVE-2016-6485
First published: Wed Mar 01 2017(Updated: )
The __construct function in Framework/Encryption/Crypt.php in Magento 2 uses the PHP rand function to generate a random number for the initialization vector, which makes it easier for remote attackers to defeat cryptographic protection mechanisms by guessing the value.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/magento/product-community-edition | >=2.0<2.1>=2.1<2.2>=2.2<2.2.6 | |
| composer/magento/project-community-edition | >=2.0<=2.0.2 | |
| composer/magento/community-edition | >=2.0<2.2.6 | 2.2.6 |
| Magento 2 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2016/07/19/3
- http://www.openwall.com/lists/oss-security/2016/07/27/14
- https://github.com/magento/magento2/pull/15017
- https://nvd.nist.gov/vuln/detail/CVE-2016-6485
- https://github.com/FriendsOfPHP/security-advisories/blob/master/magento/product-community-edition/CVE-2016-6485.yaml
- https://github.com/advisories/GHSA-h7qw-mxrm-c6h2 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2016-6485?
CVE-2016-6485 has a high severity rating due to its potential impact on cryptographic protection mechanisms.
How do I fix CVE-2016-6485?
To fix CVE-2016-6485, upgrade your Magento installation to version 2.2.6 or later.
What is the impact of CVE-2016-6485 on my Magento site?
CVE-2016-6485 allows remote attackers to potentially defeat cryptographic protection mechanisms, compromising data security.
Is my version of Magento affected by CVE-2016-6485?
Magento versions from 2.0 to 2.2.6 are affected by CVE-2016-6485 and should be updated.
Can CVE-2016-6485 be exploited without authentication?
Yes, CVE-2016-6485 can be exploited by unauthenticated users, making it particularly dangerous.
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