CVE-2021-21704
CVSS V2 Medium 4.3
CVSS V3 Medium 5.9
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.
Overview
- CVE ID
- CVE-2021-21704
- Assigner
- security@php.net
- Vulnerability Status
- Analyzed
- Published Version
- 2021-10-04T04:15:07
- Last Modified Date
- 2022-10-25T14:58:32
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:php:php:*:*:*:*:*:*:*:* | 1 | OR | 7.3.0 | 7.3.29 |
| cpe:2.3:a:php:php:*:*:*:*:*:*:*:* | 1 | OR | 7.4.0 | 7.4.21 |
| cpe:2.3:a:php:php:*:*:*:*:*:*:*:* | 1 | OR | 8.0.0 | 8.0.8 |
| cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 4.3
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- HIGH
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 5.9
- Base Severity
- MEDIUM
- Exploitability Score
- 2.2
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://bugs.php.net/bug.php?id=76448 | Exploit Issue Tracking Patch Vendor Advisory |
| https://bugs.php.net/bug.php?id=76449 | Exploit Issue Tracking Patch Vendor Advisory |
| https://bugs.php.net/bug.php?id=76450 | Exploit Issue Tracking Patch Vendor Advisory |
| https://bugs.php.net/bug.php?id=76452 | Exploit Issue Tracking Patch Vendor Advisory |
| https://security.gentoo.org/glsa/202209-20 | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20211029-0006/ | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-21704 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21704 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:48:28 | Added to TrackCVE | |||
| 2022-12-05 11:41:14 | 2021-10-04T04:15Z | 2021-10-04T04:15:07 | CVE Published Date | updated |
| 2022-12-05 11:41:14 | 2022-10-25T14:58:32 | CVE Modified Date | updated | |
| 2022-12-05 11:41:14 | Analyzed | Vulnerability Status | updated | |
| 2022-12-05 11:41:18 | References | updated |