Link following in Nextcloud iOS App - CVE-2019-12672

 

Link following in Nextcloud iOS App - CVE-2019-12672

Published: September 25, 2019 / Updated: August 8, 2020


Vulnerability identifier: #VU35473
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-12672
CWE-ID: CWE-59
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Nextcloud
Affected software:
Nextcloud iOS App

Detailed vulnerability description

The vulnerability allows a local non-authenticated attacker to execute arbitrary code.

A vulnerability in the filesystem of Cisco IOS XE Software could allow an authenticated, local attacker with physical access to an affected device to execute arbitrary code on the underlying operating system (OS) with root privileges. The vulnerability is due to insufficient file location validation. An attacker could exploit this vulnerability by placing code in a specific format on a USB device and inserting it into an affected Cisco device. A successful exploit could allow the attacker to execute the code with root privileges on the underlying OS of the affected device.


How to mitigate CVE-2019-12672

Install update from vendor's website.

Sources