Privilege escalation in OPPO OvoiceManager



Published: 2020-11-24
Risk High
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2020-11831
CWE-ID CWE-264
Exploitation vector Network
Public exploit N/A
Vulnerable software
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OvoiceManager
Mobile applications / Apps for mobile phones

Vendor Oppo

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU48619

Risk: High

CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-11831

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in com.oppo.ovoicemanager. A remote attacker can send a specially crafted request and write vulnerability reports for arbitrary files.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

OvoiceManager: 2.0.1

CPE2.3 External links

http://security.oppo.com/en/noticedetails.html?noticeId=NOTICE-1328876061836189696

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to perform certain actions on the device.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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