CVE-2023-50782: Python-cryptography: bleichenbacher timing oracle attack against rsa decryption - incomplete fix for cve-2020-25659
First published: Wed Dec 13 2023(Updated: )
A flaw was found in the python-cryptography package. 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 |
|---|---|---|
| redhat/cryptography | <42.0.0 | 42.0.0 |
| pip/cryptography | <42.0.0 | 42.0.0 |
| Redhat Ansible Automation Platform | =2.0 | |
| Redhat Enterprise Linux | =8.0 | |
| Redhat Enterprise Linux | =9.0 | |
| Redhat Update Infrastructure | =4 | |
| Cryptography.io Cryptography Python | <42.0.0 | |
| Couchbase Couchbase Server | =7.6.0 | |
| Couchbase Couchbase Server | =7.6.1 | |
| debian/python-cryptography | <=3.3.2-1<=3.3.2-1+deb11u1<=38.0.4-3+deb12u1<=38.0.4-3~deb12u1 | 43.0.0-1 |
| IBM Cognos Analytics | <=12.0.0-12.0.3 | |
| IBM Cognos Analytics | <=11.2.0-11.2.4 FP4 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=2254432
- https://access.redhat.com/security/cve/CVE-2023-50782
- https://launchpad.net/bugs/cve/CVE-2023-50782
- https://access.redhat.com/security/cve/CVE-2020-25659
- https://github.com/pyca/cryptography/issues/9785
- https://people.redhat.com/~hkario/marvin/
- https://github.com/openssl/openssl/pull/13817
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2254438
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2254465
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2254466
- https://access.redhat.com/errata/RHBA-2023:6627
- https://access.redhat.com/errata/RHSA-2023:7877
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2254432#c7
- https://nvd.nist.gov/vuln/detail/CVE-2023-50782
- https://www.couchbase.com/alerts
- https://github.com/advisories/GHSA-3ww4-gg4f-jr7f (Advisory)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-50782
- https://security-tracker.debian.org/tracker/CVE-2023-50782
- https://ubuntu.com/security/CVE-2023-50782
- https://www.ibm.com/support/pages/node/7177223 (Advisory)
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