CVE-2021-21704 (GCVE-0-2021-21704)
Vulnerability from cvelistv5
Published
2021-10-04 04:00
Modified
2024-09-17 00:45
Severity ?
5.0 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
CWE
  • CWE-125 - Out-of-bounds Read
  • CWE-190 - Integer Overflow or Wraparound
Summary
In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8.0.x below 8.0.8, when using Firebird PDO driver extension, a malicious database server could cause crashes in various database functions, such as getAttribute(), execute(), fetch() and others by returning invalid response data that is not parsed correctly by the driver. This can result in crashes, denial of service or potentially memory corruption.
References
Impacted products
Vendor Product Version
PHP Group PHP Version: 7.3.x   < 7.3.29
Version: 7.4.x   < 7.4.21
Version: 8.0.X   < 8.0.8
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