Information disclosure in Nextcloud Android App
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-41166 |
| CWE-ID | CWE-200 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Nextcloud Android App Other software / Other software solutions |
| Vendor | Nextcloud |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Information disclosure
EUVDB-ID: #VU60078
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-41166
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to application does not properly impose security restrictions in DiskLruImageCacheFileProvider. A remote attacker can gain unauthorized access to sensitive information on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsNextcloud Android App: 3.0.0 - 3.17.0
External linkshttp://github.com/nextcloud/android/commit/aa47197109970b8449c4e44601eba36e3481b086
http://hackerone.com/reports/1358597
http://github.com/nextcloud/security-advisories/security/advisories/GHSA-wrwg-jwpg-r3c4
http://github.com/nextcloud/android/commit/b6ecf515b38c2d82d32743f27236534f3e03ee0c
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.
