vulnwire
9.8crit

CVE-2018-8955

The installer for BitDefender GravityZone relies on an encoded string in a filename to determine the URL for installation metadata, which a…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
4.3%
percentile 91%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

4.26% probability of exploitation in the next 30 days, higher than 91% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.09.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-347 Improper Verification of Cryptographic Signature

References

  • packetstormsecurity.com /files/149900/Bitdefender-GravityZone-Installer-Signature-Bypass-Code-Execution.html · x_refsource_MISC, x_transferred
  • labs.nettitude.com /blog/cve-2018-8955-bitdefender-gravityzone-arbitrary-code-execution/ · x_refsource_MISC, x_transferred
  • seclists.org /fulldisclosure/2018/Oct/44 · mailing-list, x_refsource_FULLDISC, x_transferred
  • securitytracker.com /id/1041940 · vdb-entry, x_refsource_SECTRACK, x_transferred

Sources

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