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Exynos 980 Firmware CVE-2023-43122

MEDIUM
Out-of-bounds Write (CWE-787)
2023-12-13 cve@mitre.org
Memory Corruption Buffer Overflow Information Disclosure Samsung Exynos 980 Firmware Exynos 850 Firmware Exynos 1080 Firmware Exynos 2100 Firmware Exynos 2200 Firmware Exynos 1280 Firmware Exynos 1380 Firmware Exynos 1330 Firmware Exynos W920 Firmware
4.6
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
4.6 MEDIUM
AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Physical
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

1
CVE Published
Dec 13, 2023 - 01:15 nvd
MEDIUM 4.6

DescriptionNVD

Samsung Mobile Processor and Wearable Processor (Exynos 980, 850, 1080, 2100, 2200, 1280, 1380, 1330, and W920) allow Information Disclosure in the Bootloader.

AnalysisAI

Samsung Mobile Processor and Wearable Processor (Exynos 980, 850, 1080, 2100, 2200, 1280, 1380, 1330, and W920) allow Information Disclosure in the Bootloader. 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 as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. Samsung Mobile Processor and Wearable Processor (Exynos 980, 850, 1080, 2100, 2200, 1280, 1380, 1330, and W920) allow Information Disclosure in the Bootloader. Affected products include: Samsung Exynos 980 Firmware, Samsung Exynos 850 Firmware, Samsung Exynos 1080 Firmware, Samsung Exynos 2100 Firmware, Samsung Exynos 2200 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).

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Same weakness CWE-787 – Out-of-bounds Write

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Same technique Memory Corruption

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CVE-2015-5119 CRITICAL POC
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CVE-2014-0322 HIGH POC
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CVE-2012-4792 HIGH POC
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CVE-2010-3333 HIGH POC
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CVE-2023-43122 vulnerability details – vuln.today
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