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ubuntucveUbuntu.comUB:CVE-2021-3979
HistoryAug 25, 2022 - 12:00 a.m.

CVE-2021-3979

2022-08-2500:00:00
ubuntu.com
ubuntu.com
16

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

6.4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

49.8%

A key length flaw was found in Red Hat Ceph Storage. An attacker can
exploit the fact that the key length is incorrectly passed in an encryption
algorithm to create a non random key, which is weaker and can be exploited
for loss of confidentiality and integrity on encrypted disks.

Bugs

Notes

Author Note
mdeslaur This is fixed in 15.2.16-0ubuntu0.20.04.1 in focal-updates, but is not yet in focal-security.
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchceph< 12.2.13-0ubuntu0.18.04.11UNKNOWN
ubuntu20.04noarchceph< 15.2.17-0ubuntu0.20.04.3UNKNOWN
ubuntu14.04noarchceph< anyUNKNOWN
ubuntu16.04noarchceph< anyUNKNOWN

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

6.4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

49.8%