Vulnerability identifier: #VU48619

Vulnerability 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

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
OvoiceManager
Mobile applications / Apps for mobile phones

Vendor: Oppo

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

---

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.

Is there known malware, which exploits this vulnerability?

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