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ubuntucveUbuntu.comUB:CVE-2018-5407
HistoryNov 15, 2018 - 12:00 a.m.

CVE-2018-5407

2018-11-1500:00:00
ubuntu.com
ubuntu.com
8

4.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

1.9 Low

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

24.8%

JSON

Simultaneous Multi-threading (SMT) in processors can enable local users to
exploit software vulnerable to timing attacks via a side-channel timing
attack on ‘port contention’.

Notes

Author Note
mdeslaur this is a hardware issue, but openssl did commit a workaround in 1.1.1, 1.1.0i
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchopenssl< 1.1.0g-2ubuntu4.3UNKNOWN
ubuntu14.04noarchopenssl< 1.0.1f-1ubuntu2.27UNKNOWN
ubuntu16.04noarchopenssl< 1.0.2g-1ubuntu4.14UNKNOWN
ubuntu18.04noarchopenssl1.0< 1.0.2n-1ubuntu5.2UNKNOWN
ubuntu18.10noarchopenssl1.0< 1.0.2n-1ubuntu6.1UNKNOWN

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4.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

1.9 Low

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

24.8%

JSON
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