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Ubuntu.comUB:CVE-2021-38172

HistoryFeb 05, 2022 - 12:00 a.m.

CVE-2021-38172

2022-02-0500:00:00

ubuntu.com

buffer overflow

perm

strncpy

debian

patch

unix

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.007

Percentile

80.0%

JSON

perM 0.4.0 has a Buffer Overflow related to strncpy. (Debian initially
fixed this in 0.4.0-7.)

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchperm< anyUNKNOWN
ubuntu20.04noarchperm< anyUNKNOWN
ubuntu22.04noarchperm< anyUNKNOWN
ubuntu24.04noarchperm< anyUNKNOWN
ubuntu16.04noarchperm< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	perm	< any	UNKNOWN
ubuntu	20.04	noarch	perm	< any	UNKNOWN
ubuntu	22.04	noarch	perm	< any	UNKNOWN
ubuntu	24.04	noarch	perm	< any	UNKNOWN
ubuntu	16.04	noarch	perm	< any	UNKNOWN

References

bugs.debian.org/cgi-bin/bugreport.cgi?bug=993019

launchpad.net/bugs/cve/CVE-2021-38172

lists.debian.org/debian-med/2021/08/msg00016.html

nvd.nist.gov/vuln/detail/CVE-2021-38172

packages.qa.debian.org/p/perm.html

salsa.debian.org/med-team/perm/-/commits/master/

security-tracker.debian.org/tracker/CVE-2021-38172

tracker.debian.org/pkg/perm

www.cve.org/CVERecord?id=CVE-2021-38172

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.007

Percentile

80.0%

JSON

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