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THREATINT
PUBLISHED

CVE-2023-50781

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



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.

Reserved 2023-12-13 | Published 2024-02-05 | Updated 2025-02-07 | Assigner redhat


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
affected

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

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

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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