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cloudlinuxCloudLinuxCLSA-2021:1637673193
HistoryNov 23, 2021 - 1:13 p.m.

Fix of CVE: CVE-2021-21704, CVE-2021-21703, CVE-2021-21705

2021-11-2313:13:13
repo.cloudlinux.com
25

6.9 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.004 Low

EPSS

Percentile

73.0%

  • CVE-2021-21704: fix integer overflow and subsequent incorrect buffer allocation
  • CVE-2021-21705: fix incorrect url password validation
  • CVE-2021-21703: fix incorrect shared memory management, which led to priv escalation

6.9 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.004 Low

EPSS

Percentile

73.0%