Security restrictions bypass in jinjava - CVE-2018-18893

 

Security restrictions bypass in jinjava - CVE-2018-18893

Published: January 16, 2019


Vulnerability identifier: #VU17018
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-18893
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: HubSpot
Affected software:
jinjava

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass security restrictions.

The vulnerability exists due to the application does not block the getClass method, related to com/hubspot/jinjava/el/ext/JinjavaBeanELResolver.java. A remote attacker can bypass security restrictions to conduct further attacks.


How to mitigate CVE-2018-18893

Install updates from vendor's website.

Sources