PHP up to 7.3.28/7.4.20/8.0.7 PDO Driver Extension getAttribute/execute/fetch out-of-bounds
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.2 | $0-$5k | 0.00 |
Summary
A vulnerability was found in PHP up to 7.3.28/7.4.20/8.0.7. It has been rated as problematic. Affected is the function getAttribute/execute/fetch of the component PDO Driver Extension. The manipulation leads to out-of-bounds.
This vulnerability is listed as CVE-2021-21704. The attack may be initiated remotely. There is no available exploit.
Upgrading the affected component is advised.
Details
A vulnerability was found in PHP up to 7.3.28/7.4.20/8.0.7 (Programming Language Software). It has been rated as problematic. This issue affects the function getAttribute/execute/fetch of the component PDO Driver Extension. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability.
The weakness was presented 10/04/2021 as 76448. It is possible to read the advisory at bugs.php.net. The identification of this vulnerability is CVE-2021-21704 since 01/04/2021. Technical details of the vulnerability are known, but there is no available exploit.
Upgrading to version 7.3.29, 7.4.21 or 8.0.8 eliminates this vulnerability.
Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Name
Version
- 7.3.0
- 7.3.1
- 7.3.2
- 7.3.3
- 7.3.4
- 7.3.5
- 7.3.6
- 7.3.7
- 7.3.8
- 7.3.9
- 7.3.10
- 7.3.11
- 7.3.12
- 7.3.13
- 7.3.14
- 7.3.15
- 7.3.16
- 7.3.17
- 7.3.18
- 7.3.19
- 7.3.20
- 7.3.21
- 7.3.22
- 7.3.23
- 7.3.24
- 7.3.25
- 7.3.26
- 7.3.27
- 7.3.28
- 7.4.0
- 7.4.1
- 7.4.2
- 7.4.3
- 7.4.4
- 7.4.5
- 7.4.6
- 7.4.7
- 7.4.8
- 7.4.9
- 7.4.10
- 7.4.11
- 7.4.12
- 7.4.13
- 7.4.14
- 7.4.15
- 7.4.16
- 7.4.17
- 7.4.18
- 7.4.19
- 7.4.20
- 8.0.0
- 8.0.1
- 8.0.2
- 8.0.3
- 8.0.4
- 8.0.5
- 8.0.6
- 8.0.7
License
Website
- Product: https://www.php.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.2
VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 5.0
CNA Vector (PHP Group): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Out-of-boundsCWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: PHP 7.3.29/7.4.21/8.0.8
Timeline
01/04/2021 🔍10/04/2021 🔍
10/04/2021 🔍
10/08/2021 🔍
Sources
Product: php.orgAdvisory: 76448
Status: Confirmed
CVE: CVE-2021-21704 (🔍)
GCVE (CVE): GCVE-0-2021-21704
GCVE (VulDB): GCVE-100-183743
Entry
Created: 10/04/2021 07:48Updated: 10/08/2021 14:24
Changes: 10/04/2021 07:48 (51), 10/08/2021 14:24 (1)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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