Vulnerability Details : CVE-2018-8955
Potential exploit
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.
Vulnerability category: Execute code
Products affected by CVE-2018-8955
- cpe:2.3:a:bitdefender:gravityzone:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-8955
1.78%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 88 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-8955
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2018-8955
-
The product does not verify, or incorrectly verifies, the cryptographic signature for data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-8955
-
http://seclists.org/fulldisclosure/2018/Oct/44
Full Disclosure: CVE-2018-8955: Bitdefender GravityZone Arbitrary Code ExecutionMailing List;Third Party Advisory
-
http://www.securitytracker.com/id/1041940
BitDefender Digital Signature Bypass Lets Remote Users Execute Arbitrary Code - SecurityTrackerThird Party Advisory;VDB Entry
-
http://packetstormsecurity.com/files/149900/Bitdefender-GravityZone-Installer-Signature-Bypass-Code-Execution.html
Bitdefender GravityZone Installer Signature Bypass / Code Execution ≈ Packet StormThird Party Advisory;VDB Entry
-
https://labs.nettitude.com/blog/cve-2018-8955-bitdefender-gravityzone-arbitrary-code-execution/
CVE-2018-8955: Bitdefender GravityZone Arbitrary Code Execution — Nettitude LabsExploit;Third Party Advisory
Jump to