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CVE-2024-40431

Medium Severity
SVRS
36/100

CVSSv3
NA/10

EPSS
0.14101/1

CVE-2024-40431: Realtek SD card reader driver vulnerability allows unauthorized kernel memory writes. This flaw, stemming from inadequate input validation in versions prior to 10.0.26100.21374, enables low-privileged users to exploit the IOCTL_SCSI_PASS_THROUGH control and write to predictable kernel memory. While the CVSS score is 0, indicating no immediate exploitability, the SOCRadar Vulnerability Risk Score (SVRS) of 36 suggests a moderate level of risk, especially considering it's tagged as "In The Wild", indicating potential exploitation is occurring. The vulnerability could lead to privilege escalation and system compromise. Immediate patching is recommended despite the low CVSS score due to the potential for real-world exploitation. This emphasizes the importance of layered security assessments beyond CVSS alone. Addressing this vulnerability is crucial to maintaining system integrity and preventing unauthorized access.

In The Wild
2024-10-23

2024-10-25
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SOCRadar
AI Insight

Description

CVE-2024-40431 is a vulnerability with a CVSS score of 0, indicating a low severity level. However, SOCRadar's unique 'SOCRadar Vulnerability Risk Score' (SVRS) assigns it a score of 30, highlighting the potential for moderate risk. This discrepancy stems from SOCRadar's integration of various 'Vulnerability Intelligence' elements, including Social Media, News, Code Repositories, Dark/Deep Web data, and associations with Threat Actors and malware.

Key Insights

  • Active Exploitation: The vulnerability is actively exploited in the wild, posing an immediate threat to organizations.
  • Moderate Risk: Despite the low CVSS score, the SVRS of 30 indicates a moderate risk level, warranting attention and prompt mitigation.
  • Unknown Impact: The lack of a detailed description for CVE-2024-40431 makes it challenging to assess its specific impact and potential consequences.
  • Limited Information: The absence of information on Threat Actors/APT Groups, Exploit Status, and CISA Warnings suggests that the vulnerability is still under investigation and more details are expected to emerge.

Mitigation Strategies

  • Apply Patches: As soon as patches become available, organizations should prioritize their application to address the vulnerability.
  • Enhance Monitoring: Implement robust monitoring systems to detect and respond to any suspicious activity or exploitation attempts.
  • Educate Users: Conduct awareness campaigns to educate users about the vulnerability and encourage them to practice safe online habits.
  • Consider Additional Security Measures: Explore additional security measures, such as intrusion detection systems (IDS) and firewalls, to strengthen the organization's overall cybersecurity posture.

Additional Information

If users have additional queries regarding this incident, they can use the 'Ask to Analyst' feature, contact SOCRadar directly, or open a support ticket for more information if necessary.

Indicators of Compromise

No IOCs found for this CVE

Exploits

No exploits found for this CVE

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News

Realtek SD Card Reader Driver Flaws Impact Dell, Lenovo, And Other Laptops
Guru Baran2024-10-28
Realtek SD Card Reader Driver Flaws Impact Dell, Lenovo, And Other Laptops | Security researchers have uncovered multiple vulnerabilities in Realtek’s SD card reader driver, RtsPer.sys, affecting numerous laptops from major manufacturers, including Dell, Lenovo, HP, and MSI. These flaws, some of which have remained undisclosed for years, could allow attackers to leak kernel memory, write to arbitrary kernel addresses, and even access physical memory from user mode. […] The post Realtek SD Card Reader Driver Flaws Impact Dell, Lenovo, And
cybersecuritynews.com
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CVE-2024-40431 | Realtek SD Card Reader Driver prior 10.0.26100.21374 Kernel Memory memory corruption
vuldb.com2024-10-23
CVE-2024-40431 | Realtek SD Card Reader Driver prior 10.0.26100.21374 Kernel Memory memory corruption | A vulnerability, which was classified as critical, has been found in Realtek SD Card Reader Driver. This issue affects some unknown processing of the component Kernel Memory Handler. The manipulation leads to memory corruption. The identification of this vulnerability is CVE-2024-40431. Access to the local network is required
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Social Media

GitHub - SpiralBL0CK/CVE-2024-40431-CVE-2022-25479-EOP-CHAIN: CVE-2024-40431+CVE-2022-25479 chain for EOP(DATA ONLY ATTACK) https://t.co/VPJPr8k8nU
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🚨 Alerta de Seguridad: Vulnerabilidad identificada como CVE-2024-40431 en el controlador de lectores de tarjetas SD de Realtek. 🔍 Descripción: Una falta de validación de entrada en el controlador permite a un atacante escribir en ubicaciones predecibles de memoria del kernel,
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Affected Software

No affected software found for this CVE

References

ReferenceLink
[email protected]https://zwclose.github.io/2024/10/14/rtsper1.html
GITHUBhttps://zwclose.github.io/2024/10/14/rtsper1.html

CWE Details

No CWE details found for this CVE

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