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cve[email protected]CVE-2019-19522
HistoryDec 05, 2019 - 12:15 a.m.

CVE-2019-19522

2019-12-0500:15:00
CWE-732
[email protected]
web.nvd.nist.gov
38
cve-2019-19522
openbsd
local privilege escalation
s/key
yubikey
authentication
root access

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.1 High

AI Score

Confidence

High

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

9.1%

JSON

OpenBSD 6.6, in a non-default configuration where S/Key or YubiKey authentication is enabled, allows local users to become root by leveraging membership in the auth group. This occurs because root’s file can be written to /etc/skey or /var/db/yubikey, and need not be owned by root.

CPENameOperatorVersion
openbsd:openbsdopenbsdeq6.6

Related

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2019-12-05 00:15:00
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2019-12-05 00:00:00
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OpenBSD Multiple Authentication Vulnerabilities
2019-12-05 02:34:59
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OpenBSD Hit with Authentication, LPE Bugs
2019-12-05 16:06:51
nessus
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OpenBSD 6.6 Multiple Authentication Bypass Vulnerabilities
2020-01-06 00:00:00
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thn
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2019-12-05 11:31:00

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.1 High

AI Score

Confidence

High

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

9.1%

JSON
Related for CVE-2019-19522
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