Multiple vulnerabilities in Drupal



Published: 2020-06-18
Risk High
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2020-13663
CVE-2020-13664
CVE-2020-13665
CWE-ID CWE-918
CWE-352
CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Drupal
Web applications / CMS

Vendor Drupal

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Server-Side Request Forgery (SSRF)

EUVDB-ID: #VU29135

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-13663

CWE-ID:

Exploit availability:

Description

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Drupal: 7.0 - 9.0.0 rc1

Fixed software versions

CPE2.3 External links

http://www.drupal.org/sa-core-2020-004


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

2) Cross-site request forgery

EUVDB-ID: #VU29136

Risk: High

CVSSv3.1:

CVE-ID: CVE-2020-13664

CWE-ID:

Exploit availability:

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. A remote attacker can trick the victim to visit a specially crafted web page  that could result in creating a carefully named directory on the file system. With this directory in place, an attacker could attempt to brute force a remote code execution vulnerability.

Windows servers are most likely to be affected.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Drupal: 8.8.0 - 9.0.0 rc1

Fixed software versions

CPE2.3 External links

http://www.drupal.org/sa-core-2020-005


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

3) Input validation error

EUVDB-ID: #VU29137

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-13665

CWE-ID:

Exploit availability:

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input when processing JSON:API PATCH requests. A remote attacker can pass specially crafted input to the application and bypass implemented security restrictions.

By default, JSON:API works in a read-only mode which makes it impossible to exploit the vulnerability. Only sites that have the read_only set to FALSE under jsonapi.settings config are vulnerable.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Drupal: 8.8.0 - 9.0.0 rc1

Fixed software versions

CPE2.3 External links

http://www.drupal.org/sa-core-2020-006


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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