Vulnerability Description
In PHP versions 8.0.* before 8.0.29, 8.1.* before 8.1.20, 8.2.* before 8.2.7 when using SOAP HTTP Digest Authentication, random value generator was not checked for failure, and was using narrower range of values than it should have. In case of random generator failure, it could lead to a disclosure of 31 bits of uninitialized memory from the client to the server, and it also made easier to a malicious server to guess the client's nonce.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Php | Php | >= 8.0.0, < 8.0.29 |
Related Weaknesses (CWE)
References
- https://github.com/php/php-src/security/advisories/GHSA-76gg-c692-v2mwPatchVendor Advisory
- https://github.com/php/php-src/security/advisories/GHSA-76gg-c692-v2mwPatchVendor Advisory
FAQ
What is CVE-2023-3247?
CVE-2023-3247 is a vulnerability with a CVSS score of 2.6 (LOW). In PHP versions 8.0.* before 8.0.29, 8.1.* before 8.1.20, 8.2.* before 8.2.7 when using SOAP HTTP Digest Authentication, random value generator was not checked for failure, and was using narrower rang...
How severe is CVE-2023-3247?
CVE-2023-3247 has been rated LOW with a CVSS base score of 2.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-3247?
Check the references section above for vendor advisories and patch information. Affected products include: Php Php.