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rosalinuxROSA LABROSA-SA-2021-1825
HistoryJul 02, 2021 - 4:38 p.m.

Advisory ROSA-SA-2021-1825

2021-07-0216:38:57
ROSA LAB
abf.rosalinux.ru
1
dracut
cobalt
local attacker
information disclosure
initramfs
microcode.

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

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.3

Confidence

Low

EPSS

0

Percentile

5.1%

JSON

Software: dracut 033
OS: Cobalt 7.9

CVE-ID: CVE-2016-8637
CVE-Crit: HIGH
CVE-DESC: A local information disclosure issue was discovered in dracut before 045 when generating initramfs images with read-only permissions for everyone when using ‘Early cpio’, such as when enabling microcode updates. A local attacker could use this to obtain sensitive information from these files, such as encryption keys or credentials.
CVE-STATUS: Default
CVE-REV: Default

OSVersionArchitecturePackageVersionFilename
Cobaltanynoarchdracut< 033UNKNOWN

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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

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.3

Confidence

Low

EPSS

0

Percentile

5.1%

JSON
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