CVEvulnerability
CVE-2016-1902
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2016-06-01
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-310
Description
The nextBytes function in the SecureRandom class in Symfony before 2.3.37, 2.6.x before 2.6.13, and 2.7.x before 2.7.9 does not properly generate random numbers when used with PHP 5.x without the paragonie/random_compat library and the openssl_random_pseudo_bytes function fails, which makes it easier for attackers to defeat cryptographic protection mechanisms via unspecified vectors.
Affected configurations
• debian debian linux 8.0
• sensiolabs symfony (<= 2.3.36)
• sensiolabs symfony 2.6.0
• sensiolabs symfony 2.6.1
• sensiolabs symfony 2.6.2
• sensiolabs symfony 2.6.3
• sensiolabs symfony 2.6.4
• sensiolabs symfony 2.6.5
• sensiolabs symfony 2.6.6
• sensiolabs symfony 2.6.7
• sensiolabs symfony 2.6.8
• sensiolabs symfony 2.6.9
• sensiolabs symfony 2.6.10
• sensiolabs symfony 2.6.11
• sensiolabs symfony 2.6.12
• sensiolabs symfony 2.7.0
• sensiolabs symfony 2.7.1
• sensiolabs symfony 2.7.2
• sensiolabs symfony 2.7.3
• sensiolabs symfony 2.7.4
• sensiolabs symfony 2.7.5
• sensiolabs symfony 2.7.6
• sensiolabs symfony 2.7.7
• sensiolabs symfony 2.7.8
Related
Weakness · not in database (1)
References
- http://symfony.com/blog/cve-2016-1902-securerandom-s-fallback-not-secure-when-openssl-fails Vendor Advisory
- http://www.debian.org/security/2016/dsa-3588 www.debian.org
- https://github.com/symfony/symfony/pull/17359 Patch
- https://www.landaire.net/blog/cve-2016-1902-symfony-securerandom/ www.landaire.net
- http://symfony.com/blog/cve-2016-1902-securerandom-s-fallback-not-secure-when-openssl-fails Vendor Advisory
- http://www.debian.org/security/2016/dsa-3588 www.debian.org
- https://github.com/symfony/symfony/pull/17359 Patch
- https://www.landaire.net/blog/cve-2016-1902-symfony-securerandom/ www.landaire.net