CVE-2023-50781: M2crypto: bleichenbacher timing attacks in the rsa decryption api - incomplete fix for cve-2020-25657
First published: Wed Dec 13 2023(Updated: )
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.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| pip/m2crypto | <=0.40.1 | |
| Redhat Enterprise Linux | =8.0 | |
| Redhat Enterprise Linux | =9.0 | |
| Redhat Update Infrastructure | =4 | |
| M2crypto Project M2crypto |
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Reference Links
- https://access.redhat.com/security/cve/CVE-2023-50781
- https://bugzilla.redhat.com/show_bug.cgi?id=2254426
- https://access.redhat.com/security/cve/CVE-2020-25657
- https://gitlab.com/m2crypto/m2crypto/-/issues/342
- https://people.redhat.com/~hkario/marvin/
- https://github.com/openssl/openssl/pull/13817
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2254436
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2254734
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2254735
- https://nvd.nist.gov/vuln/detail/CVE-2023-50781
- https://github.com/advisories/GHSA-944j-8ch6-rf6x (Advisory)
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- version/redhat enterprise linux/9.0
- canonical/redhat update infrastructure
- version/redhat update infrastructure/4
- vendor/m2crypto project
- canonical/m2crypto project m2crypto