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4d0c88 Samuli Seppänen 2025-02-27 10:07:23 1
# CVE-2023-6247: PKCS!#7 parser in OpenVPN 3 Core Library can result in NULL-dereference
c4f02d Samuli Seppänen 2025-01-29 08:37:37 2
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The PKCS!#7 parser in OpenVPN 3 Core Library versions through 3.8.3 did not properly validate the parsed data, which would result in the application crashing.
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4d0c88 Samuli Seppänen 2025-02-27 10:07:23 5
This is resolved in OpenVPN 3 Core Library version 3.8.4.
c4f02d Samuli Seppänen 2025-01-29 08:37:37 6
4d0c88 Samuli Seppänen 2025-02-27 10:07:23 7
### Note
c4f02d Samuli Seppänen 2025-01-29 08:37:37 8
4d0c88 Samuli Seppänen 2025-02-27 10:07:23 9
The code paths this issue is related to is never used for OpenVPN connections. The related code is only used in some of the AWS API support functionality present in the library.
c4f02d Samuli Seppänen 2025-01-29 08:37:37 10
4d0c88 Samuli Seppänen 2025-02-27 10:07:23 11
### References
c4f02d Samuli Seppänen 2025-01-29 08:37:37 12
4d0c88 Samuli Seppänen 2025-02-27 10:07:23 13
* MITRE CVE Record: https://www.cve.org/CVERecord?id=CVE-2023-6247
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* OpenVPN 3 Core commit: https://github.com/OpenVPN/openvpn3/commit/afdfe1bb3f4c54e8794
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* Reported by: Bahaa Naamneh