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Alpine Linux Development TeamALPINE:CVE-2018-21269

HistoryOct 27, 2020 - 4:15 a.m.

CVE-2018-21269

2020-10-2704:15:00

Alpine Linux Development Team

security.alpinelinux.org

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.0004 Low

EPSS

Percentile

5.3%

JSON

checkpath in OpenRC through 0.42.1 might allow local users to take ownership of arbitrary files because a non-terminal path component can be a symlink.

OSVersionArchitecturePackageVersionFilename
Alpine3.10-mainnoarchopenrc< 0.41.2-r2UNKNOWN
Alpine3.11-mainnoarchopenrc< 0.42.1-r3UNKNOWN
Alpine3.12-mainnoarchopenrc< 0.42.1-r12UNKNOWN
Alpine3.13-mainnoarchopenrc< 0.42.1-r20UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Alpine	3.10-main	noarch	openrc	< 0.41.2-r2	UNKNOWN
Alpine	3.11-main	noarch	openrc	< 0.42.1-r3	UNKNOWN
Alpine	3.12-main	noarch	openrc	< 0.42.1-r12	UNKNOWN
Alpine	3.13-main	noarch	openrc	< 0.42.1-r20	UNKNOWN

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.0004 Low

EPSS

Percentile

5.3%

JSON

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