#VU44114 Input validation error in Nextcloud iOS App - CVE-2011-2586

Vulnerability identifier: #VU44114

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2011-2586

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Nextcloud iOS App
Other software / Other software solutions

Vendor: Nextcloud

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The HTTP client in Cisco IOS 12.4 and 15.0 allows user-assisted remote attackers to cause a denial of service (device crash) via a malformed HTTP response to a request for service installation, aka Bug ID CSCts12249.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Nextcloud iOS App: 12.4 - 15.0

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External links
https://tools.cisco.com/security/center/viewAlert.x?alertId=24436
https://www.securitytracker.com/id?1027005

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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.