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MitreCVE-2021-31155

HistoryMay 27, 2021 - 1:15 p.m.

CVE-2021-31155

2021-05-2713:15:08

CWE-732

mitre

web.nvd.nist.gov

cve-2021-31155

umask

privilege escalation

security vulnerability

nvd

CVSS2

7.2

Attack Vector

LOCAL

Attack 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

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

AI Score

7.6

Confidence

High

EPSS

Percentile

5.1%

JSON

Failure to normalize the umask in please before 0.4 allows a local attacker to gain full root privileges if they are allowed to execute at least one command.

Affected configurations

Nvd

Node

umask_projectumaskRange<0.4

VendorProductVersionCPE
umask_projectumask*cpe:2.3:a:umask_project:umask:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
umask_project	umask	*	cpe:2.3:a:umask_project:umask::::::::

References

gitlab.com/edneville/please/-/tree/master/src/bin

www.openwall.com/lists/oss-security/2021/05/18/1

Social References

CVSS2

7.2

Attack Vector

LOCAL

Attack 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

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

AI Score

7.6

Confidence

High

EPSS

Percentile

5.1%

JSON

Related for CVE-2021-31155