Incorrect Calculation of Buffer Size Leads to Denial of Service Vulnerability
CVE-2024-39808

4.6MEDIUM

Key Information:

Vendor

Gallagher

Status
Controller 6000 And Controller 7000
Vendor
CVE Published:
11 September 2024

What is CVE-2024-39808?

Incorrect Calculation of Buffer Size (CWE-131) in the Controller 6000 and Controller 7000 OSDP message handling, allows an attacker with physical access to Controller wiring to instigate a reboot leading to a denial of service.

This issue affects: Controller 6000 and Controller 7000 9.10 prior to vCR9.10.240816a (distributed in 9.10.1530 (MR2)), 9.00 prior to vCR9.00.240816a (distributed in 9.00.2168 (MR4)), 8.90 prior to vCR8.90.240816a (distributed in 8.90.2155 (MR5)), 8.80 prior to vCR8.80.240816b (distributed in 8.80.1938 (MR6)), all versions of 8.70 and prior.

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Affected Version(s)

Controller 6000 and Controller 7000 0 <= 8.70

Controller 6000 and Controller 7000 0 <= 8.70

Controller 6000 and Controller 7000 9.10

References

https://security.gallagher.com/en-NZ/Security-Advisories/...

CVSS V3.1

Score:
4.6
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Physical
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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