Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2023-51847
CVE-2023-51847:
Linux Debian vulnerability analysis and mitigation
Overview
CVE-2023-51847 affects obgm and Libcoap version a3ed466. The vulnerability was discovered and disclosed on June 6, 2024. The issue impacts the coapcontextt function specifically in the src/coap_threadsafe.c:297:3 component (NVD).
Technical details
The vulnerability is characterized by a null pointer dereference (NPE) during access to coapcontextt in the src/coap_threadsafe.c file. The CVSS v3.1 base score is 7.5 (HIGH) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. The issue has been classified under CWE-400 (Uncontrolled Resource Consumption) (NVD).
Impact
When exploited, this vulnerability allows a remote attacker to cause a denial of service condition in the affected system. The impact primarily affects the availability of the service, with no direct impact on confidentiality or integrity (NVD).
Mitigation and workarounds
A fix has been proposed and implemented through pull request #1303 in the libcoap repository. The fix addresses the null pointer dereference in the coapdeleteresource() function and is pending merge into the develop branch (GitHub Issue).
Additional resources
Source: This report was generated using AI
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