CVE-2024-53845
Vulnerability Scoring
Analysis In Progress
CVE-2024-53845 Vulnerability Analysis & Exploit Details
CVE-2024-53845
Attack Complexity Details
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Attack Complexity:
Attack Complexity Analysis In Progress
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Attack Vector:
Attack Vector Under Analysis
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Privileges Required:
None
No authentication is required for exploitation.
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Scope:
Impact is confined to the initially vulnerable component.
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User Interaction:
None
No user interaction is necessary for exploitation.
CVE-2024-53845 Details
Status: Received on 12 Dec 2024, 02:15 UTC
Published on: 12 Dec 2024, 02:15 UTC
CVSS Release:
CVE-2024-53845 Vulnerability Summary
CVE-2024-53845: ESPTouch is a connection protocol for internet of things devices. In the ESPTouchV2 protocol, while there is an option to use a custom AES key, there is no option to set the IV (Initialization Vector) prior to versions 5.3.2, 5.2.4, 5.1.6, and 5.0.8. The IV is set to zero and remains constant throughout the product's lifetime. In AES/CBC mode, if the IV is not properly initialized, the encrypted output becomes deterministic, leading to potential data leakage. To address the aforementioned issues, the application generates a random IV when activating the AES key starting in versions 5.3.2, 5.2.4, 5.1.6, and 5.0.8. This IV is then transmitted along with the provision data to the provision device. The provision device has also been equipped with a parser for the AES IV. The upgrade is applicable for all applications and users of ESPTouch v2 component from ESP-IDF. As it is implemented in the ESP Wi-Fi stack, there is no workaround for the user to fix the application layer without upgrading the underlying firmware.
Assessing the Risk of CVE-2024-53845
Access Complexity Graph
The exploitability of CVE-2024-53845 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).
Exploitability Analysis for CVE-2024-53845
No exploitability data is available for CVE-2024-53845.
Understanding AC and PR
A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.
Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.
Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.
CVSS Score Breakdown Chart
Above is the CVSS Sub-score Breakdown for CVE-2024-53845, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.
CIA Impact Analysis
Below is the Impact Analysis for CVE-2024-53845, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.
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Confidentiality:
None
CVE-2024-53845 does not compromise confidentiality.
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Integrity:
None
CVE-2024-53845 does not impact data integrity.
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Availability:
None
CVE-2024-53845 does not affect system availability.
Exploit Prediction Scoring System (EPSS)
The EPSS score estimates the probability that this vulnerability will be exploited in the near future.
EPSS Score: 0.044% (probability of exploit)
EPSS Percentile: 15.85%
(lower percentile = lower relative risk)
This vulnerability is less risky than approximately 84.15% of others.
CVE-2024-53845 References
External References
- https://github.com/EspressifApp/EsptouchForAndroid/tree/master/esptouch-v2
- https://github.com/EspressifApp/EsptouchForIOS/tree/master/EspTouchDemo/ESPTouchV2
- https://github.com/espressif/esp-idf/commit/4f85a2726e04b737c8646d865b44ddd837b703db
- https://github.com/espressif/esp-idf/commit/8fb28dcedcc49916a5206456a3a61022d4302cd8
- https://github.com/espressif/esp-idf/commit/d47ed7d6f814e21c5bc8997ab0bc68e2360e5cb2
- https://github.com/espressif/esp-idf/commit/de69895f38d563e22228f5ba23fffa02feabc3a9
- https://github.com/espressif/esp-idf/commit/fd224e83bbf133833638b277c767be7f7cdd97c7
- https://github.com/espressif/esp-idf/security/advisories/GHSA-wm57-466g-mhrr
- https://github.com/espressif/esp-idf/tree/master/components/esp_wifi
CWE Common Weakness Enumeration
CWE-909Protect Your Infrastructure against CVE-2024-53845: Combat Critical CVE Threats
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