CVE-2018-8955
The installer for BitDefender GravityZone relies on an encoded string in a filename to determine the URL for installation metadata, which allows remote attackers to execute arbitrary code by changing the filename while leaving the file's digital…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The installer for BitDefender GravityZone relies on an encoded string in a filename to determine the URL for installation metadata, which allows remote attackers to execute arbitrary code by changing the filename while leaving the file's digital signature unchanged.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 4.26% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-347
- Affected
- bitdefender/gravityzone
- Source
- cve@mitre.org
References
- http://packetstormsecurity.com/files/149900/Bitdefender-GravityZone-Installer-Signature-Bypass-Code-Execution.htmlThird Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2018/Oct/44Mailing List, Third Party Advisory
- http://www.securitytracker.com/id/1041940Third Party Advisory, VDB Entry
- https://labs.nettitude.com/blog/cve-2018-8955-bitdefender-gravityzone-arbitrary-code-execution/Exploit, Third Party Advisory
- http://packetstormsecurity.com/files/149900/Bitdefender-GravityZone-Installer-Signature-Bypass-Code-Execution.htmlThird Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2018/Oct/44Mailing List, Third Party Advisory
- http://www.securitytracker.com/id/1041940Third Party Advisory, VDB Entry
- https://labs.nettitude.com/blog/cve-2018-8955-bitdefender-gravityzone-arbitrary-code-execution/Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.