PT-2017-10694 · Nextcloud+1 · Nextcloud Server+1

Published 2017-05-08 · Updated 2019-10-09 · CVE-2017-0893

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Nextcloud Server versions prior to 9.0.58 Nextcloud Server versions prior to 10.0.5 Nextcloud Server versions prior to 11.0.3

Description The issue is related to a vulnerable JavaScript library used for sanitizing untrusted user-input, which is affected by a XSS vulnerability. This vulnerability is caused by a behavior change in Safari 10.1 and 10.2. However, Nextcloud employs a strict Content-Security-Policy that prevents exploitation of this XSS issue on modern web browsers.

Recommendations For versions prior to 9.0.58, update to version 9.0.58 or later. For versions prior to 10.0.5, update to version 10.0.5 or later. For versions prior to 11.0.3, update to version 11.0.3 or later.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2017-0893

Affected Products

Nextcloud Server

Safari

References · 5

• https://nextcloud.com/security/advisory/?id=nc-sa-2017-010 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-0893 · Security Note
• https://osv.dev/vulnerability/CVE-2017-0893 · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0893 · Note
• https://hackerone.com/reports/222838 · Note