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gentooGentoo FoundationGLSA-202007-62
HistoryJul 31, 2020 - 12:00 a.m.

PyCrypto: Weak key generation

2020-07-3100:00:00
Gentoo Foundation
security.gentoo.org
20

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

0.003 Low

EPSS

Percentile

71.2%

Background

PyCrypto is the Python Cryptography Toolkit.

Description

It was discovered that PyCrypto incorrectly generated ElGamal key parameters.

Impact

Attackers may be able to obtain sensitive information by reading ciphertext data.

Workaround

There is no known workaround at this time.

Resolution

Gentoo has discontinued support for PyCrypto. We recommend that users unmerge PyCrypto:

emerge --unmerge β€œdev-python/pycrypto”

NOTE: The Gentoo developer(s) maintaining PyCrypto have discontinued support at this time. PyCryptodome is the canonical successor to PyCrypto.

OSVersionArchitecturePackageVersionFilename
Gentooanyalldev-python/pycrypto<=Β 2.6.1-r2UNKNOWN

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

0.003 Low

EPSS

Percentile

71.2%