Security Issue Found In Smartphones With MediaTek Chip, Firm Says Fixed All


New Delhi: Cyber safety researchers mentioned that safety flaws present in a smartphone chip developed by MediaTek, one of many largest chipset distributors who provides to Xiaomi, OPPO, Realme, Vivo and extra, may have led hackers to listen in on Android Customers.

MediaTek mentioned that it has mounted all vulnerabilities and Android customers are secure.

Test Level Analysis (CPR) mentioned in a report that it recognized safety flaws within the MediaTek processor chip present in 37 per cent of the world’s smartphones.

The safety flaws had been discovered contained in the chip’s audio processor.

“Left unpatched, a hacker may have exploited the vulnerabilities to listen in on Android customers and/or disguise malicious code,” the report mentioned.

Tiger Hsu, Product Safety Officer at MediaTek, mentioned that the corporate has no proof that hackers have exploited the vulnerability.

“Concerning the Audio DSP vulnerability disclosed by Test Level, we labored diligently to validate the difficulty and make applicable mitigations out there to all OEMs (unique tools producers). We now have no proof it’s presently being exploited,” Hsu mentioned in a press release.

“We encourage finish customers to replace their units as patches turn into out there and to solely set up purposes from trusted areas such because the Google Play Retailer,” the corporate government added.

The researchers mentioned that for the primary time, they had been in a position to reverse engineer the MediaTek audio processor, revealing a number of safety flaws.

MediaTek chips comprise a particular AI processing unit (APU) and audio Digital sign processor (DSP) to enhance media efficiency and cut back CPU utilization.

Each the APU and the audio DSP have customized microprocessor architectures, making MediaTek DSP a singular and difficult goal for safety analysis.

CPR mentioned it disclosed its findings to MediaTek, and the corporate mounted and revealed three vulnerabilities within the October 2021 safety bulletin.

The safety difficulty within the MediaTek audio HAL (CVE-2021-0673) was mounted in October and will probably be revealed within the December 2021 safety bulletin.

CPR mentioned it additionally knowledgeable Xiaomi of its findings.

“Though we don’t see any particular proof of such misuse, we moved shortly to reveal our findings to MediaTek and Xiaomi. We proved out a totally new assault vector that might have abused the Android API,” mentioned Slava Makkaveev, a safety researcher at Test Level Software program.

“Our message to the Android group is to replace their units to the newest safety patch with the intention to be protected,” Makkaveev added.

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