CVE-2024-39808

MEDIUM

Incorrect Calculation of Buffer Size (CWE-131)

2024-09-11 disclosures@gallagher.com

Denial Of Service

4.6

CVSS 3.1 · Vendor: gallagher

Severity by source

Vendor (gallagher) PRIMARY

4.6 MEDIUM

AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from Vendor (gallagher) · only source for this CVE.

CVSS VectorVendor: gallagher

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Sep 11, 2024 - 04:15 cve.org

MEDIUM 4.6

DescriptionCVE.org

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.

AnalysisAI

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. Rated medium severity (CVSS 4.6), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-131. 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.

Affected ProductsAI

See vendor advisory for affected versions.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.