Vulnerability CVE-2022-21788

Vulnerability Name:

CVE-2022-21788 (CCN-232538)

Assigned:

2021-11-26

Published:

2022-08-01

Updated:

2022-08-05

Summary:

In scp, there is a possible undefined behavior due to incorrect error handling. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06988728; Issue ID: ALPS06988728.

CVSS v3 Severity:

6.7 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
5.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): High User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

6.7 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
5.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): High User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

CVSS v2 Severity:

6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Type:

CWE-noinfo

Vulnerability Consequences:

Gain Privileges

References:

Source: MITRE
Type: CNA
CVE-2022-21788

Source: CCN
Type: MediaTek Web site
August 2022 Product Security Bulletin

Source: MISC
Type: Vendor Advisory
https://corp.mediatek.com/product-security-bulletin/August-2022

Source: XF
Type: UNKNOWN
mediatek-cve202221788-priv-esc(232538)

Vulnerable Configuration:

Configuration 1:

cpe:/o:google:android:12.0:*:*:*:*:*:*:*

AND

cpe:/h:mediatek:mt6879:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6983:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6895:-:*:*:*:*:*:*:*

Denotes that component is vulnerable

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