Vulnerability CVE-2018-5382


Published: 2018-04-16

Description:
Bouncy Castle BKS version 1 keystore (BKS-V1) files use an HMAC that is only 16 bits long, which can allow an attacker to compromise the integrity of a BKS-V1 keystore. All BKS-V1 keystores are vulnerable. Bouncy Castle release 1.47 introduces BKS version 2, which uses a 160-bit MAC.

Type:

CWE-310

(Cryptographic Issues)

Vendor: Bouncycastle
Product: Legion-of-the-bouncy-castle-java-crytography-api 
Version:
1.46
1.45
1.44
1.43
1.42
1.41
1.40
1.39
1.38
1.37
1.36
1.35
1.34
1.33
1.32
1.31
1.30
1.29
1.28
1.27
1.26
1.25
1.24
1.23
1.22
1.21
1.20
1.19
1.18
1.17
1.16
1.15
1.14
1.13
1.12
1.11
1.10
1.09
1.08
1.07
1.06
1.05
1.04
1.03
1.02
1.01

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial

 References:
http://www.securityfocus.com/bid/103453
https://access.redhat.com/errata/RHSA-2018:2927
https://www.bouncycastle.org/releasenotes.html
https://www.kb.cert.org/vuls/id/306792

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