CWE-1253

Incorrect Selection of Fuse Values

The logic level used to set a system to a secure state relies on a fuse being unblown. An attacker can set the system to an insecure state merely by blowing the fuse.

CVE-2023-6355 (GCVE-0-2023-6355)
Vulnerability from cvelistv5
Published
2023-12-18 21:55
Modified
2024-08-02 08:28
Severity ?
6.8 (Medium) - CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-1253 - Incorrect Selection of Fuse Values
Summary
Incorrect selection of fuse values in the Controller 7000 platform allows an attacker to bypass some protection mechanisms to enable local debug. This issue affects: Gallagher Controller 7000 9.00 prior to vCR9.00.231204b (distributed in 9.00.1507 (MR1)), 8.90 prior to vCR8.90.231204a (distributed in 8.90.1620 (MR2)), 8.80 prior to vCR8.80.231204a (distributed in 8.80.1369 (MR3)), 8.70 prior to vCR8.70.231204a (distributed in 8.70.2375 (MR5)).
References
Impacted products
Vendor Product Version
Gallagher Controller 7000 Version: 9.00   < vCR9.00.231204b
Version: 8.90   < vCR8.90.231204a
Version: 8.80   < vCR8.80.231204a
Version: 8.70   < vCR8.70.231204a
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Mitigation

Phase: Architecture and Design

Description:

  • Logic should be designed in a way that blown fuses do not put the product into an insecure state that can be leveraged by an attacker.
CAPEC-74: Manipulating State

['The adversary modifies state information maintained by the target software or causes a state transition in hardware. If successful, the target will use this tainted state and execute in an unintended manner.', 'State management is an important function within a software application. User state maintained by the application can include usernames, payment information, browsing history as well as application-specific contents such as items in a shopping cart. Manipulating user state can be employed by an adversary to elevate privilege, conduct fraudulent transactions or otherwise modify the flow of the application to derive certain benefits.', 'If there is a hardware logic error in a finite state machine, the adversary can use this to put the system in an undefined state which could cause a denial of service or exposure of secure data.']

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