Vulnerability identifier: #VU77508
Vulnerability risk: Low
CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-184
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Grav CMS
Web applications /
CMS
Vendor: Grav CMS
Description
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to Server-side Template Injection (SSTI) issue in filterFilter. A remote administrator can execute arbitrary code on the system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Grav CMS: 1.7.0 - 1.7.40
External links
http://github.com/getgrav/grav/blob/1.7.40/system/src/Grav/Common/Twig/Extension/GravExtension.php#L1692-L1698
http://github.com/getgrav/grav/security/advisories/GHSA-96xv-rmwj-6p9w
http://github.com/getgrav/grav/blob/1.7.40/system/src/Grav/Common/Utils.php#L1956-L2074
http://github.com/getgrav/grav/commit/244758d4383034fe4cd292d41e477177870b65ec
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.