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Wed, 19 Aug 2026 18:30:00 +0000
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ssvc
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Wed, 19 Aug 2026 16:30:00 +0000
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| Description | Wazuh is a free and open source platform used for threat prevention, detection, and response. From 4.5.0 until 4.14.6 and 5.0.0-beta2, compare_wazuh_versions() in src/shared/version_op.c copies the attacker-controlled enrollment V: field into a 10-byte stack buffer with strncpy() but does not explicitly terminate the buffer. The function is reachable before authentication through wazuh-authd on TCP port 1515 when anonymous TLS enrollment is enabled. A version string of at least nine non-null bytes can cause strchr() and strtok() to read beyond ver2 and can make strtok() write a null byte into adjacent stack memory, allowing a remote denial of service. This issue is fixed in versions 4.14.6 and 5.0.0-beta2. | |
| Title | Wazuh: Pre-auth stack-buffer-overflow in compare_wazuh_versions reachable from wazuh-authd (TCP/1515) via crafted enrollment V: field | |
| Weaknesses | CWE-121 CWE-170 |
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cvssV3_1
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Subscriptions
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-08-19T17:20:26.591Z
Reserved: 2026-05-13T08:19:32.603Z
Link: CVE-2026-45798
Updated: 2026-08-19T17:19:19.872Z
Status : Received
Published: 2026-08-19T17:18:49.730
Modified: 2026-08-19T18:16:39.973
Link: CVE-2026-45798
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OpenCVE Enrichment
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