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NVD Vulnerability Details :

CVE-2018-6594

Modified

Source-cve@mitre.org

Published At-03 Feb, 2018 | 15:29

Updated At-31 Jul, 2020 | 19:15

lib/Crypto/PublicKey/ElGamal.py in PyCrypto through 2.6.1 generates weak ElGamal key parameters, which allows attackers to obtain sensitive information by reading ciphertext data (i.e., it does not have semantic security in face of a ciphertext-only attack). The Decisional Diffie-Hellman (DDH) assumption does not hold for PyCrypto's ElGamal implementation.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Primary	3.0	7.5	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Primary	2.0	5.0	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:N

CPE Matches

Weaknesses

CWE ID	Type	Source
CWE-326	Primary	nvd@nist.gov

References

Hyperlink	Source	Resource
https://github.com/TElgamal/attack-on-pycrypto-elgamal	cve@mitre.org	Third Party Advisory
https://github.com/dlitz/pycrypto/issues/253	cve@mitre.org	Exploit Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/02/msg00018.html	cve@mitre.org	Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202007-62	cve@mitre.org	N/A
https://usn.ubuntu.com/3616-1/	cve@mitre.org	Third Party Advisory
https://usn.ubuntu.com/3616-2/	cve@mitre.org	Third Party Advisory

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References

Change History