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ubuntucveUbuntu.comUB:CVE-2022-20203
HistoryJun 15, 2022 - 12:00 a.m.

CVE-2022-20203

2022-06-1500:00:00
ubuntu.com
ubuntu.com
29
cve-2022-20203
nanopb library
memory corruption
protobuf files
local escalation
privilege
unix

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

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

EPSS

0

Percentile

5.1%

JSON

In multiple locations of the nanopb library, there is a possible way to
corrupt memory when decoding untrusted protobuf files. This could lead to
local escalation of privilege,with no additional execution privileges
needed. User interaction is not needed for exploitation.

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchnanopb< anyUNKNOWN
ubuntu22.04noarchnanopb< anyUNKNOWN
ubuntu24.04noarchnanopb< anyUNKNOWN

Related

prion 1
nvd 1
cve 1
cvelist 1
androidsecurity 1
prion
prion
Design/Logic Flaw
2022-06-15 22:15:00
nvd
nvd
CVE-2022-20203
2022-06-15 22:15:12
cve
cve
CVE-2022-20203
2022-06-15 22:15:12
cvelist
cvelist
CVE-2022-20203
2022-06-15 21:50:11
androidsecurity
androidsecurity
Android 12L Security Release Notes
2022-02-22 00:00:00

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

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

EPSS

0

Percentile

5.1%

JSON
Related for UB:CVE-2022-20203
prion1nvd1cve1cvelist1androidsecurity1