Information disclosure in Nextcloud Android App



Published: 2021-06-22
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2021-32695
CWE ID CWE-200
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Nextcloud Android App
Other software / Other software solutions

Vendor Nextcloud

Security Advisory

This security advisory describes one low risk vulnerability.

1) Information disclosure

Risk: Low

CVSSv3.1: 3.6 [CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-32695

CWE-ID: CWE-200 - Information Exposure

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application. An authenticated attacker with physical access can use a malicious app to gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Nextcloud Android App: 1.0.0, 1.0.1, 1.0.3, 1.1.0, 1.2.0, 1.3.0, 1.3.1, 1.4.0, 1.4.1, 1.4.2, 1.4.3, 1.4.4, 1.4.5, 1.4.6, 1.5.0, 1.5.1, 1.5.2, 1.5.3, 1.5.4, 1.5.5, 1.5.6, 1.5.7, 1.5.8, 1.6.0, 1.6.1, 1.6.2, 1.6.3, 1.7.0, 1.7.1, 1.7.2, 1.8, 1.9, 1.9.1, 2.0.0, 2.0.1, 3.0.0, 3.0.1, 3.0.2, 3.0.3, 3.1.0, 3.2.0, 3.2.1, 3.2.2, 3.2.3, 3.2.4, 3.3.0, 3.3.1, 3.3.2, 3.4.0, 3.4.1, 3.4.2, 3.5.0, 3.5.1, 3.6.0, 3.6.1, 3.6.2, 3.7.0, 3.7.1, 3.7.2, 3.8.0, 3.8.1, 3.9.0, 3.9.1, 3.9.2, 3.10, 3.10.0, 3.10.1, 3.11.0, 3.11.1, 3.11.2, 3.12.0, 3.12.1, 3.13.0, 3.13.1, 3.14.0, 3.14.1, 3.14.2, 3.14.3, 3.15.0, 3.15.1, 3.16.0

CPE External links

https://hackerone.com/reports/1142918
https://github.com/nextcloud/android/pull/8433
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-25m9-cf6c-qf2c

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



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