Multiple vulnerabilities in Drupal
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2019-6338 CVE-2019-6339 |
| CWE-ID | CWE-264 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 2 vulnerabilities.
1) Security restrictions bypass
EUVDB-ID: #VU17233
Risk: Low
CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-6338
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote authenticated attacker to bypass security restrictions on the system.
The vulnerability exists in the Drupal core PEAR Archive_Tar library due to an unsafe object deserialization condition. A remote attacker can submit a specially crafted tar file to bypass security restrictions on the system and conduct further attacks.
MitigationThe vulnerability has been fixed in the versions 7.62, 8.5.9, 8.6.6.
Vulnerable software versionsDrupal: 7.0 - 8.6.5
External linkshttp://www.drupal.org/sa-core-2019-001
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) Input validation error
EUVDB-ID: #VU17234
Risk: High
CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-6339
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists in PHP's built-in phar stream wrapper when performing file operations on an untrusted phar:// URI. Some Drupal code (core, contrib, and custom) due to insufficient validation of user-supplied input. A remote attacker can submit specially crafted input and execute arbitrary PHP code.
MitigationThe vulnerability has been fixed in the versions 7.62, 8.5.9, 8.6.6.
Vulnerable software versionsDrupal: 7.0 - 8.6.5
External linkshttp://www.drupal.org/sa-core-2019-002
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.
