CVE-2023-3247

Summary

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. 

Affected Software

VendorProductVersion RangeStatus
PHP GroupPHP8.0.* < 8.0.29affected
PHP GroupPHP8.1.* < 8.1.20affected
PHP GroupPHP8.2.* < 8.2.7affected

Weaknesses

  • CWE-252: CWE-252 Unchecked Return Value
  • CWE-330: CWE-330 Use of Insufficiently Random Values

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References