CVE-2023-7340 (GCVE-0-2023-7340)

Vulnerability from cvelistv5 – Published: 2026-03-27 15:52 – Updated: 2026-03-27 19:41
VLAI?
Title
Wazuh authd service (os_auth) Heap-based Buffer Overflow
Summary
Wazuh authd contains a heap-buffer overflow vulnerability that allows attackers to cause memory corruption and malformed heap data by sending specially crafted input. Attackers can exploit this vulnerability to trigger a denial of service condition, resulting in low availability impact to the authentication daemon.
Severity ?
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
3.1 (Low)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
CWE
Assigner
References
Impacted products
Vendor Product Version
Wazuh Wazuh Affected: 3.5.0 (semver)
Affected: 4.3.10 (semver)
Create a notification for this product.
Credits
Reported by @vikman90; credited to @stasos24.
Show details on NVD website
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  • 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.
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  • 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.



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