emb3d - tid-211

tid-211

Vulnerability from emb3d

Type

Link

Description

If a device does not have a mechanism to authenticate firmware updates, a threat actor may be able to install malicious or corrupt firmware on the device. In such cases, an adversary may craft a customized or maliciously modified firmware update package that, if properly formed, the device will install it without challenge. The unauthorized firmware could then be used to (i) “brick” the device and prevent it from being reset, (ii) install malicious logic on the device, including to gain persistence, or (iii) enable access to ease reverse engineering the device to identify remotely exploitable vulnerabilities, depending on how the firmware was formed and how the target device responds to it. Devices that perform only error checking of update packages prior to installation (e.g., parity checks, hash checks without a cryptographic signature, etc.) will be susceptible to this threat. This threat also includes any firmware authentication mechanisms that are not enforced on the device. If devices don’t check firmware integrity/download command authenticity on-device, threat actors may be able to falsely attest that their firmware is secure, thereby bypassing firmware integrity checks. One mechanism through which threat actors could perform this action is by taking advantage of a device’s reliance on a separate management device or service to check firmware. Threat actors may be able to spoof the management device firmware check and successfully initiate a malicious firmware download.

CWE

CWE-306: Missing Authentication for Critical Function

CVE-2015-6492 (GCVE-0-2015-6492)

Vulnerability from cvelistv5 – Published: 2015-10-28 10:00 – Updated: 2024-08-06 07:22

Summary

Allen-Bradley MicroLogix 1100 devices before B FRN 15.000 and 1400 devices before B FRN 15.003 allow remote attackers to cause a denial of service (memory corruption and device crash) via a crafted HTTP request.

Severity ?

No CVSS data available.

CWE

Assigner

icscert

References

URL

Tags

https://ics-cert.us-cert.gov/advisories/ICSA-15-300-03

x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

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