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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://seclists.org/fulldisclosure/2016/Jan/12 ↗
- http://www.securityfocus.com/archive/1/537246/100/0/threaded ↗
- 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 ↗
- https://avm.de/service/sicherheitsinfos-zu-updates/ ↗