SB2018082911 - Security restrictions bypass in jinjava
Published: August 29, 2018
Security Bulletin ID
SB2018082911
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Security restrictions bypass (CVE-ID: CVE-2018-18893)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: 6.9 [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]
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.
Remediation
Install update from vendor's website.