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CVE
PUBLISHED

CVE-2023-50781

M2crypto: bleichenbacher timing attacks in the rsa decryption api - incomplete fix for cve-2020-25657

Assignerredhat
Reserved2023-12-13
Published2024-02-05
Updated2024-07-09

Description

A flaw was found in m2crypto. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data.



HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Problem types

Observable Timing Discrepancy

Product status

Default status
unknown

Default status
unknown

Default status
unaffected

Default status
unaffected

Default status
unaffected

Default status
affected

Default status
unaffected

Timeline

2023-12-13:Reported to Red Hat.
2023-12-13:Made public.

Credits

This issue was discovered by Hubert Kario (Red Hat).

References

https://access.redhat.com/security/cve/CVE-2023-50781 vdb-entry

https://bugzilla.redhat.com/show_bug.cgi?id=2254426 (RHBZ#2254426) issue-tracking

cve.org CVE-2023-50781

nvd.nist.gov CVE-2023-50781

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