Improper access control in Apache Shiro - CVE-2016-4437
Published: September 13, 2022 / Updated: January 2, 2024
Vulnerability identifier: #VU67206
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-4437
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code or bypass intended access restrictions.
The vulnerability exists due to improper access restrictions when a cipher key is not been configured for the "remember me" feature. A remote attacker can bypass implemented security restrictions and gain unauthorized access to the application.
Affected software
Apache Shiro
Planning Analytics Local
Ubuntu
libshiro-java (Ubuntu package)
Planning Analytics Local
Ubuntu
libshiro-java (Ubuntu package)
How to mitigate CVE-2016-4437
Install updates from vendor's website.
Apache Shiro - update to 1.2.5
Planning Analytics Local - update to 2.0.1
libshiro-java (Ubuntu package) - update to Ubuntu Pro
Planning Analytics Local - update to 2.0.1
libshiro-java (Ubuntu package) - update to Ubuntu Pro
Links to Public Exploits and PoC-codes
External References
- http://packetstormsecurity.com/files/137310/Apache-Shiro-1.2.4-Information-Disclosure.html
- http://packetstormsecurity.com/files/157497/Apache-Shiro-1.2.4-Remote-Code-Execution.html
- http://rhn.redhat.com/errata/RHSA-2016-2035.html
- http://rhn.redhat.com/errata/RHSA-2016-2036.html
- http://www.securityfocus.com/archive/1/538570/100/0/threaded
- http://www.securityfocus.com/bid/91024