#VU44116 Input validation error in Nextcloud iOS App - CVE-2011-4012


| Updated: 2020-08-11

Vulnerability identifier: #VU44116

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2011-4012

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 execute arbitrary code.

Cisco IOS 12.0, 15.0, and 15.1, when a Policy Feature Card 3C (PFC3C) is used, does not create a fragment entry during processing of an ICMPv6 ACL, which has unspecified impact and remote attack vectors, aka Bug ID CSCtj90091.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Nextcloud iOS App: 12.0 - 15.1


External links
https://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SX/release/notes/caveats_SXJ.html
https://www.securitytracker.com/id?1027005


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.


Latest bulletins with this vulnerability