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GitHub Advisory DatabaseGHSA-4C4W-3Q45-HP9J

HistoryOct 24, 2017 - 6:33 p.m.

Aescrypt does not sufficiently use random values

2017-10-2418:33:36

CWE-330

GitHub Advisory Database

github.com

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

0.002 Low

EPSS

Percentile

55.2%

JSON

The aescrypt gem 1.0.0 for Ruby does not randomize the CBC IV for use with the AESCrypt.encrypt and AESCrypt.decrypt functions, which allows attackers to defeat cryptographic protection mechanisms via a chosen plaintext attack.

Affected configurations

Vulners

Node

aescrypt_projectaescryptRange≤1.0.0ruby

CPENameOperatorVersion
aescryptle1.0.0

CPE	Name	Operator	Version
	aescrypt	le	1.0.0

References

github.com/advisories/GHSA-4c4w-3q45-hp9j

github.com/Gurpartap/aescrypt/issues/4

github.com/rubysec/ruby-advisory-db/blob/master/gems/aescrypt/CVE-2013-7463.yml

nvd.nist.gov/vuln/detail/CVE-2013-7463

web.archive.org/web/20200227173428/www.securityfocus.com/bid/98035

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

0.002 Low

EPSS

Percentile

55.2%

JSON

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