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mageiaGentoo FoundationMGASA-2020-0370
HistorySep 27, 2020 - 11:06 p.m.

Updated mbedtls packages fix security vulnerabilities

2020-09-2723:06:37
Gentoo Foundation
advisories.mageia.org
21
mbedtls
update
security
vulnerabilities
cbc decryption
dhe-psk key exchange
rsa
diffie-hellman
unix

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS

0.001

Percentile

23.7%

mbedtls 2.16.8 fixes three security vulnerabilities which could affect earlier releases: Local side channel attack on classical CBC decryption in (D)TLS (CVE-2020-16150). Local side channel attack on RSA and static Diffie-Hellman. Protocol weakness in DHE-PSK key exchange.

OSVersionArchitecturePackageVersionFilename
Mageia7noarchmbedtls< 2.16.8-1mbedtls-2.16.8-1.mga7

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS

0.001

Percentile

23.7%