Vulnerability Details CVE-2014-8886
AVM FRITZ!OS before 6.30 extracts the contents of firmware updates before verifying their cryptographic signature, which allows remote attackers to create symlinks or overwrite critical files, and consequently execute arbitrary code, via a crafted firmware image.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.045
EPSS Ranking 88.7%
CVSS Severity
CVSS v3 Score 8.1
CVSS v2 Score 9.3
References
- http://packetstormsecurity.com/files/135161/AVM-FRITZ-Box-Arbitrary-Code-Execution-Via-Firmware-Images.html
- http://seclists.org/fulldisclosure/2016/Jan/12
- http://www.securityfocus.com/archive/1/537246/100/0/threaded
- https://avm.de/service/sicherheitsinfos-zu-updates/
- https://www.redteam-pentesting.de/advisories/rt-sa-2014-014
- http://packetstormsecurity.com/files/135161/AVM-FRITZ-Box-Arbitrary-Code-Execution-Via-Firmware-Images.html
- http://seclists.org/fulldisclosure/2016/Jan/12
- http://www.securityfocus.com/archive/1/537246/100/0/threaded
- https://avm.de/service/sicherheitsinfos-zu-updates/
- https://www.redteam-pentesting.de/advisories/rt-sa-2014-014