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freebsdFreeBSD8F353420-4197-11E8-8777-B499BAEBFEAF
HistoryApr 16, 2018 - 12:00 a.m.

OpenSSL -- Cache timing vulnerability

2018-04-1600:00:00
vuxml.freebsd.org
31

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.01 Low

EPSS

Percentile

83.6%

The OpenSSL project reports:

The OpenSSL RSA Key generation algorithm has been shown to be
vulnerable to a cache timing side channel attack. An attacker
with sufficient access to mount cache timing attacks during the
RSA key generation process could recover the private key.

OSVersionArchitecturePackageVersionFilename
FreeBSDanynoarchopenssl< 1.0.2o_2,1UNKNOWN
FreeBSDanynoarchopenssl-devel< 1.1.0h_1UNKNOWN

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.01 Low

EPSS

Percentile

83.6%