VDB-241036 · CVE-2023-32823 · ALPS07912966

MediaTek MT8788 rpmb memory corruption

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.
5.8	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in MediaTek MT6580, MT6739, MT6761, MT6762, MT6765, MT6768, MT6769, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985, MT8666, MT8765 and MT8788. This issue affects some unknown processing of the component rpmb. Executing a manipulation can lead to memory corruption. This vulnerability is handled as CVE-2023-32823. It is possible to launch the attack on the local host. There is not any exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in MediaTek MT6580, MT6739, MT6761, MT6762, MT6765, MT6768, MT6769, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985, MT8666, MT8765 and MT8788 (Chip Software). It has been declared as critical. This vulnerability affects an unknown code block of the component rpmb. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In rpmb , there is a possible memory corruption due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07912966; Issue ID: ALPS07912966.

The weakness was released 10/02/2023 as ALPS07912966. The advisory is shared for download at corp.mediatek.com. This vulnerability was named CVE-2023-32823 since 05/16/2023. There are neither technical details nor an exploit publicly available.

Applying the patch ALPS07912966 is able to eliminate this problem.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Chip Software

Vendor

MediaTek

Name

MT6580
MT6739
MT6761
MT6762
MT6765
MT6768
MT6769
MT6779
MT6781
MT6785
MT6789
MT6833
MT6853
MT6853T
MT6855
MT6873
MT6875
MT6877
MT6879
MT6883
MT6885
MT6889
MT6891
MT6893
MT6895
MT6983
MT6985
MT8666
MT8765
MT8788

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

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

NVD Base Score: 6.7
NVD Vector: 🔍

CNA Base Score: 6.7
CNA Vector: 🔍

CVSSv2info

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

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

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

Exploitinginfo

Class: Memory corruption
CWE: 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: ALPS07912966

Timelineinfo

05/16/2023 🔍
10/02/2023 +139 days 🔍
10/02/2023 +0 days 🔍
09/23/2024 +357 days 🔍

Sourcesinfo

Advisory: ALPS07912966
Status: Confirmed

CVE: CVE-2023-32823 (🔍)
GCVE (CVE): GCVE-0-2023-32823
GCVE (VulDB): GCVE-100-241036

Entryinfo

Created: 10/02/2023 08:09
Updated: 09/23/2024 19:10
Changes: 10/02/2023 08:09 (41), 10/23/2023 08:46 (11), 09/23/2024 19:10 (27)
Complete: 🔍
Cache ID: 216::103