vulnwire
6.7med

CVE-2017-9457

Intense PC Phoenix SecureCore UEFI firmware does not perform capsule signature validation before upgrading the system firmware.

Published 9 y ago · modified 4 mo ago · JSON

CVSS
6.7
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.8%
percentile 58%
Public exploits
0
none known

Intense PC Phoenix SecureCore UEFI firmware does not perform capsule signature validation before upgrading the system firmware. The absence of signature validation allows an attacker with administrator privileges to flash a modified UEFI BIOS.

Exploit prediction (EPSS)

0.83% probability of exploitation in the next 30 days, higher than 58% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.06.7CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD2.07.2AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-20 Improper Input Validation

References

  • seclists.org /fulldisclosure/2017/Jul/56 · mailing-list, x_refsource_FULLDISC, x_transferred
  • packetstormsecurity.com /files/143481/Compulab-Intense-PC-MintBox-2-Signature-Verification.html · x_refsource_MISC, x_transferred
  • watchmysys.com /blog/2017/07/cve-2017-9457-compulab-intense-pc-lacks-firmware-validation/ · x_refsource_MISC, x_transferred

Sources

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