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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (6.14%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 8.1 HIGHCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 6.14% probability · 93th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-310
- Affected
- avm/fritz\! os
- Source
- cve@mitre.org
References
- http://packetstormsecurity.com/files/135161/AVM-FRITZ-Box-Arbitrary-Code-Execution-Via-Firmware-Images.html
- http://seclists.org/fulldisclosure/2016/Jan/12Exploit
- http://www.securityfocus.com/archive/1/537246/100/0/threaded
- https://avm.de/service/sicherheitsinfos-zu-updates/Vendor Advisory
- https://www.redteam-pentesting.de/advisories/rt-sa-2014-014Exploit
- http://packetstormsecurity.com/files/135161/AVM-FRITZ-Box-Arbitrary-Code-Execution-Via-Firmware-Images.html
- http://seclists.org/fulldisclosure/2016/Jan/12Exploit
- http://www.securityfocus.com/archive/1/537246/100/0/threaded
- https://avm.de/service/sicherheitsinfos-zu-updates/Vendor Advisory
- https://www.redteam-pentesting.de/advisories/rt-sa-2014-014Exploit
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.