AVM FRITZ!OS before 6.30 extracts the contents of firmware updates...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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/
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Affected Software
Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.