Vulnerability identifier: #VU41884

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-2111

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 Application Layer Gateway (ALG) module in Cisco IOS 12.2 through 12.4 and 15.0 through 15.4, when NAT is used, allows remote attackers to cause a denial of service (device reload) via crafted DNS packets, aka Bug ID CSCue00996.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Nextcloud iOS App: 12.2 - 15.4

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140326-nat
http://www.securityfocus.com/bid/66470

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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.