CVE-2018-6594: Weak Encryption
First published: Sat Feb 03 2018(Updated: )
Last updated 24 July 2024
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| pip/pycrypto | <=2.6.1 | |
| debian/pycryptodome | 3.9.7+dfsg1-1 3.11.0+dfsg1-4 3.20.0+dfsg-3 | |
| PyCrypto | <=2.6.1 | |
| Debian Debian Linux | =7.0 | |
| Ubuntu Linux | =12.04 | |
| Ubuntu Linux | =14.04 | |
| Ubuntu Linux | =16.04 | |
| Ubuntu Linux | =17.10 |
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Reference Links
- https://github.com/TElgamal/attack-on-pycrypto-elgamal
- https://github.com/dlitz/pycrypto/issues/253
- https://lists.debian.org/debian-lts-announce/2018/02/msg00018.html
- https://security.gentoo.org/glsa/202007-62
- https://usn.ubuntu.com/3616-1/
- https://usn.ubuntu.com/3616-2/
- https://launchpad.net/bugs/cve/CVE-2018-6594
- https://github.com/Legrandin/pycryptodome/issues/90
- https://github.com/Legrandin/pycryptodome/commit/99c27a3b9e8a884bbde0e88c63234b669d4398d8
- https://github.com/Legrandin/pycryptodome/issues/90#issuecomment-362783537
- https://security-tracker.debian.org/tracker/CVE-2018-6594
- https://nvd.nist.gov/vuln/detail/CVE-2018-6594
- https://github.com/advisories/GHSA-6528-wvf6-f6qg (Advisory)
- https://github.com/pypa/advisory-database/tree/main/vulns/pycrypto/PYSEC-2018-97.yaml
- https://usn.ubuntu.com/3616-1
- https://usn.ubuntu.com/3616-2
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6594
- https://ubuntu.com/security/CVE-2018-6594
Frequently Asked Questions
What is the severity of CVE-2018-6594?
CVE-2018-6594 is classified as a medium severity vulnerability due to its potential to expose sensitive information.
How do I fix CVE-2018-6594?
To fix CVE-2018-6594, upgrade from PyCrypto version 2.6.1 to an alternative library such as PyCryptodome or a newer version of PyCryptography.
What software is affected by CVE-2018-6594?
CVE-2018-6594 affects PyCrypto versions up to and including 2.6.1 and various Debian and Ubuntu Linux distributions with specific versions.
What type of attack does CVE-2018-6594 allow for?
CVE-2018-6594 allows attackers to perform ciphertext-only attacks by exploiting weak ElGamal key parameters.
Is CVE-2018-6594 still a concern for users?
Yes, CVE-2018-6594 remains a concern for users still utilizing vulnerable versions of PyCrypto.
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