Dangling remote share attempts in Nextcloud 16 allow a DNS pollution when running long.
The product uses CRLF (carriage return line feeds) as a special element, e.g. to separate lines or records, but it does not neutralize or incorrectly neutralizes CRLF sequences from inputs.
The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
Link | Tags |
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https://hackerone.com/reports/592864 | permissions required |
https://nextcloud.com/security/advisory/?id=NC-SA-2020-005 | vendor advisory |