Vulnerability CVE-2022-21744 - CERT Civis.Net

Vulnerability Name:

CVE-2022-21744 (CCN-230507)

Assigned:

2021-11-26

Published:

2022-07-04

Updated:

2022-07-14

Summary:

In Modem 2G RR, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution when decoding GPRS Packet Neighbour Cell Data (PNCD) improper neighbouring cell size with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY00810064; Issue ID: ALPS06641626.

CVSS v3 Severity:

9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

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

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

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

CVSS v2 Severity:

10.0 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

10.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Type:

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2022-21744

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

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

Source: XF
Type: UNKNOWN
mediatek-cve202221744-code-exec(230507)

Vulnerable Configuration:

Configuration 1:

cpe:/o:mediatek:lr11:-:*:*:*:*:*:*:*

OR cpe:/o:mediatek:lr12:-:*:*:*:*:*:*:*

OR cpe:/o:mediatek:lr12a:-:*:*:*:*:*:*:*

OR cpe:/o:mediatek:lr13:-:*:*:*:*:*:*:*

OR cpe:/o:mediatek:nr15:-:*:*:*:*:*:*:*

OR cpe:/o:mediatek:lr9:-:*:*:*:*:*:*:*

OR cpe:/o:mediatek:nr16:-:*:*:*:*:*:*:*

AND

cpe:/h:mediatek:mt6757:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6755:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6785t:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6785:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6783:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6779:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6768:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6769:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6769t:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6735:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6737:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6739:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6750:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6750s:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6758:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6761:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6762:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6762d:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6762m:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6763:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6765:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6765t:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6767:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6769z:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6771:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6797:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6799:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt2735:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6297:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6725:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6781:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6789:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6833:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6853:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6855:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6873:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6875:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6877:-:*:*:*:*:*:*:*

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

OR cpe:/h:mediatek:mt6880:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6883:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6885:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6889:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6890:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6891:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6893:-:*:*:*:*:*:*:*

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

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

OR cpe:/h:mediatek:mt8666:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt8667:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt8675:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt8735a:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt8735b:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt8765:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt8766:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt8768:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt8771:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt8786:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt8788:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt8789:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt8791:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt8797:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt2731:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6757p:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6775:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt8781:-:*:*:*:*:*:*:*

Denotes that component is vulnerable