CVE-2014-8886
high
CVSS v3
8.1
CVSS v2
9.3
VIR risk
8.1
Description
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.
Predictions
Exploit likelihood
88%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: cve@mitre.org — https://avm.de/service/sicherheitsinfos-zu-updates/
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
CWEs
CWE-310
Verify integrity in audit chain (admin only). AS-IS.