Multiple vulnerabilities in Drupal



Published: 2021-09-15
Risk Medium
Patch available YES
Number of vulnerabilities 5
CVE-ID CVE-2020-13677
CVE-2020-13676
CVE-2020-13675
CVE-2020-13674
CVE-2020-13673
CWE-ID CWE-284
CWE-352
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Drupal
Web applications / CMS

Vendor Drupal

Security Bulletin

This security bulletin contains information about 5 vulnerabilities.

1) Improper access control

EUVDB-ID: #VU56633

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-13677

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions within the JSON:API module. A remote user can bypass implemented security restrictions and gain unauthorized access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Drupal: 9.2.0 - 9.2.5, 9.1.0 - 9.1.12, 9.0.0 - 9.0.14, 8.9.0 - 8.9.18


CPE2.3 External links

http://www.drupal.org/sa-core-2021-010

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Improper access control

EUVDB-ID: #VU56632

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-13676

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to improper access restrictions within the QuickEdit module. A remote user can bypass implemented security restrictions and read certain field data.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Drupal: 9.2.0 - 9.2.5, 9.1.0 - 9.1.12, 9.0.0 - 9.0.14, 8.9.0 - 8.9.18


CPE2.3 External links

http://www.drupal.org/sa-core-2021-009

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Improper access control

EUVDB-ID: #VU56631

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-13675

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions within the JSON:API and REST/File modules when validating file uploads. A remote user can bypass the file validation process.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Drupal: 9.2.0 - 9.2.5, 9.1.0 - 9.1.12, 9.0.0 - 9.0.14, 8.9.0 - 8.9.18


CPE2.3 External links

http://www.drupal.org/sa-core-2021-008

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Cross-site request forgery

EUVDB-ID: #VU56630

Risk: Medium

CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-13674

CWE-ID: CWE-352 - Cross-Site Request Forgery (CSRF)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin in the QuickEdit module. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Drupal: 9.2.0 - 9.2.5, 9.1.0 - 9.1.12, 9.0.0 - 9.0.14, 8.9.0 - 8.9.18


CPE2.3 External links

http://www.drupal.org/sa-core-2021-007

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Cross-site request forgery

EUVDB-ID: #VU56629

Risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-13673

CWE-ID: CWE-352 - Cross-Site Request Forgery (CSRF)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin within the Drupal core Media module. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Drupal: 9.2.0 - 9.2.5, 9.1.0 - 9.1.12, 9.0.0 - 9.0.14, 8.9.0 - 8.9.18


CPE2.3 External links

http://www.drupal.org/sa-core-2021-006

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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