VDB-217327 · CVE-2022-32649 · ALPS07225840

MediaTek MT6895/MT6983 jpeg use after free

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in MediaTek MT6895 and MT6983. It has been classified as problematic. Affected by this vulnerability is an unknown functionality of the component jpeg. This manipulation causes use after free. This vulnerability is tracked as CVE-2022-32649. The attack is restricted to local execution. No exploit exists. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability has been found in MediaTek MT6895 and MT6983 (Chip Software) (unknown version) and classified as problematic. Affected by this vulnerability is an unknown code block of the component jpeg. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In jpeg, there is a possible use after free due to a logic error. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07225840; Issue ID: ALPS07225840.

The weakness was disclosed 01/04/2023 as ALPS07225840. It is possible to read the advisory at corp.mediatek.com. This vulnerability is known as CVE-2022-32649 since 06/09/2022. The technical details are unknown and an exploit is not publicly available.

Applying the patch ALPS07225840 is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-35715). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Chip Software

Vendor

MediaTek

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.2
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.7
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: ALPS07225840

Timelineinfo

06/09/2022 🔍
01/04/2023 +209 days 🔍
01/04/2023 +0 days 🔍
05/31/2026 +1243 days 🔍

Sourcesinfo

Advisory: ALPS07225840
Status: Confirmed

CVE: CVE-2022-32649 (🔍)
GCVE (CVE): GCVE-0-2022-32649
GCVE (VulDB): GCVE-100-217327
EUVD: 🔍

Entryinfo

Created: 01/04/2023 09:38
Updated: 05/31/2026 20:50
Changes: 01/04/2023 09:38 (40), 01/27/2023 16:52 (11), 05/31/2026 20:50 (16)
Complete: 🔍
Cache ID: 216::103