MediaTek MT9981 ASF Extractor out-of-bounds

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.
4.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in MediaTek MT5522, MT5527, MT5597, MT5598, MT5599, MT6580, MT6735, MT6737, MT6739, MT6750S, MT6753, MT6755S, MT6757, MT6757C, MT6757CD, MT6757CH, MT6761, MT6762, MT6763, MT6765, MT6768, MT6771, MT6779, MT6785, MT6833, MT6853, MT6853T, MT6873, MT6877, MT6885, MT6889, MT6893, MT8163, MT8167, MT8167S, MT8168, MT8173, MT8175, MT8183, MT8184, MT8185, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797, MT9256, MT9285, MT9286, MT9288, MT9629, MT9631, MT9632, MT9636, MT9638, MT9639, MT9650, MT9652, MT9669, MT9670, MT9675, MT9685, MT9686, MT9688, MT9931, MT9950, MT9970, MT9980 and MT9981. Affected by this vulnerability is an unknown functionality of the component ASF Extractor. Such manipulation leads to out-of-bounds. This vulnerability is documented as CVE-2021-0621. The attack needs to be performed locally. There is not any exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in MediaTek MT5522, MT5527, MT5597, MT5598, MT5599, MT6580, MT6735, MT6737, MT6739, MT6750S, MT6753, MT6755S, MT6757, MT6757C, MT6757CD, MT6757CH, MT6761, MT6762, MT6763, MT6765, MT6768, MT6771, MT6779, MT6785, MT6833, MT6853, MT6853T, MT6873, MT6877, MT6885, MT6889, MT6893, MT8163, MT8167, MT8167S, MT8168, MT8173, MT8175, MT8183, MT8184, MT8185, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797, MT9256, MT9285, MT9286, MT9288, MT9629, MT9631, MT9632, MT9636, MT9638, MT9639, MT9650, MT9652, MT9669, MT9670, MT9675, MT9685, MT9686, MT9688, MT9931, MT9950, MT9970, MT9980 and MT9981. It has been rated as problematic. Affected by this issue is an unknown function of the component ASF Extractor. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality.

The weakness was released 11/19/2021. The advisory is shared for download at corp.mediatek.com. This vulnerability is handled as CVE-2021-0621 since 11/06/2020. There are neither technical details nor an exploit publicly available.

Applying a patch is able to eliminate this problem.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / 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-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/06/2020 🔍
11/19/2021 +378 days 🔍
11/19/2021 +0 days 🔍
11/22/2021 +3 days 🔍

Sourcesinfo

Advisory: corp.mediatek.com
Status: Confirmed

CVE: CVE-2021-0621 (🔍)
GCVE (CVE): GCVE-0-2021-0621
GCVE (VulDB): GCVE-100-186956

Entryinfo

Created: 11/19/2021 09:00
Updated: 11/22/2021 11:51
Changes: 11/19/2021 09:00 (37), 11/22/2021 11:44 (1), 11/22/2021 11:51 (18)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!