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5.9
MEDIUM CVSS 3.1
CVE-2021-21704
Apache Ignite Firebird PDO Driver Denial of Service and Crash Vulnerability
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.

INFO

Published Date :

Oct. 4, 2021, 4:15 a.m.

Last Modified :

Nov. 21, 2024, 5:48 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2021-21704 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Netapp clustered_data_ontap
1 Php php
: Total Affected Vendor : 2 | Products : 2
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
Solution
This vulnerability can be remediated by updating the PHP installation and related packages.
  • Update PHP to the latest version.
  • Upgrade the affected PHP packages.
  • Apply the latest security patches.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-21704.

URL Resource
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
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
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-21704 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-21704 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-21704 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2021-21704 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://bugs.php.net/bug.php?id=76448
    Added Reference https://bugs.php.net/bug.php?id=76449
    Added Reference https://bugs.php.net/bug.php?id=76450
    Added Reference https://bugs.php.net/bug.php?id=76452
    Added Reference https://security.gentoo.org/glsa/202209-20
    Added Reference https://security.netapp.com/advisory/ntap-20211029-0006/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Oct. 25, 2022

    Action Type Old Value New Value
    Changed Reference Type https://security.gentoo.org/glsa/202209-20 No Types Assigned https://security.gentoo.org/glsa/202209-20 Third Party Advisory
    Removed CWE NIST CWE-119
    Added CWE NIST CWE-787
  • CVE Modified by [email protected]

    Sep. 29, 2022

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/202209-20 [No Types Assigned]
  • Modified Analysis by [email protected]

    Nov. 03, 2021

    Action Type Old Value New Value
    Changed Reference Type https://security.netapp.com/advisory/ntap-20211029-0006/ No Types Assigned https://security.netapp.com/advisory/ntap-20211029-0006/ Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Oct. 29, 2021

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20211029-0006/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Oct. 08, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://bugs.php.net/bug.php?id=76448 No Types Assigned https://bugs.php.net/bug.php?id=76448 Exploit, Issue Tracking, Patch, Vendor Advisory
    Changed Reference Type https://bugs.php.net/bug.php?id=76449 No Types Assigned https://bugs.php.net/bug.php?id=76449 Exploit, Issue Tracking, Patch, Vendor Advisory
    Changed Reference Type https://bugs.php.net/bug.php?id=76450 No Types Assigned https://bugs.php.net/bug.php?id=76450 Exploit, Issue Tracking, Patch, Vendor Advisory
    Changed Reference Type https://bugs.php.net/bug.php?id=76452 No Types Assigned https://bugs.php.net/bug.php?id=76452 Exploit, Issue Tracking, Patch, Vendor Advisory
    Added CWE NIST CWE-119
    Added CPE Configuration OR *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 7.3.0 up to (excluding) 7.3.29 *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 7.4.0 up to (excluding) 7.4.21 *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 8.0.0 up to (excluding) 8.0.8
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 5.9
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 4.3
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.12 }} -0.01%

score

0.31801

percentile