CVE-2021-21704

Multiple vulnerabilities in Firebird client extension

State: Published
Severity: 5.0 Medium
Published: Oct 4, 2021
Updated: Sep 17, 2024
Reserved: Jan 4, 2021

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	5.0 Medium	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L	php

Weaknesses

CWE-125 Out-of-bounds Read
CWE-190 Integer Overflow or Wraparound

Affected Products

Product	Versions
PHPPHP Group	7.3.x to before 7.3.29Affected 7.4.x to before 7.4.21Affected 8.0.X to before 8.0.8Affected

References

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