Bug 1449185 (CVE-2017-0890, CVE-2017-0891, CVE-2017-0892, CVE-2017-0893, CVE-2017-0894, CVE-2017-0895) - CVE-2017-0890 CVE-2017-0891 CVE-2017-0892 CVE-2017-0893 CVE-2017-0894 CVE-2017-0895 nextcloud: Multiple security issues
Summary: CVE-2017-0890 CVE-2017-0891 CVE-2017-0892 CVE-2017-0893 CVE-2017-0894 CVE-201...
Alias: CVE-2017-0890, CVE-2017-0891, CVE-2017-0892, CVE-2017-0893, CVE-2017-0894, CVE-2017-0895
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
Depends On: 1451237 1449186 1449187 1451238
TreeView+ depends on / blocked
Reported: 2017-05-09 11:46 UTC by Andrej Nemec
Modified: 2019-09-29 14:12 UTC (History)
3 users (show)

Fixed In Version: nextcloud 11.0.3
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Last Closed: 2019-06-08 03:12:06 UTC

Attachments (Terms of Use)

Description Andrej Nemec 2017-05-09 11:46:38 UTC
Multiple vulnerabilities were found in nextcloud server.

CVE-2017-0890 - Nextcloud Server before 11.0.3 is vulnerable to an inadequate escaping leading to a XSS vulnerability in the search module. To be exploitable a user has to write or paste malicious content into the search dialogue.


CVE-2017-0891 - Nextcloud Server before 9.0.58 and 10.0.5 and 11.0.3 are vulnerable to an inadequate escaping of error messages leading to XSS vulnerabilities in multiple components.


CVE-2017-0892 - Nextcloud Server before 11.0.3 is vulnerable to an improper session handling allowed an application specific password without permission to the files access to the users file.


CVE-2017-0893 - Nextcloud Server before 9.0.58 and 10.0.5 and 11.0.3 are shipping a vulnerable JavaScript library for sanitizing untrusted user-input which suffered from a XSS vulnerability caused by a behaviour change in Safari 10.1 and 10.2. Note that Nextcloud employs a strict Content-Security-Policy preventing exploitation of this XSS issue on modern web browsers.


CVE-2017-0894 - Nextcloud Server before 11.0.3 is vulnerable to disclosure of valid share tokens for public calendars due to a logical error. Thus granting an attacker potentially access to publicly shared calendars without knowing the share token.


CVE-2017-0895 - Nextcloud Server before 10.0.4 and 11.0.2 are vulnerable to disclosure of calendar and addressbook names to other logged-in users. Note that no actual content of the calendar and addressbook has been disclosed.


Comment 1 Andrej Nemec 2017-05-09 11:47:18 UTC
Created nextcloud tracking bugs for this issue:

Affects: epel-7 [bug 1449187]
Affects: fedora-all [bug 1449186]

Comment 2 Andrej Nemec 2017-05-16 08:17:06 UTC
Created owncloud tracking bugs for this issue:

Affects: epel-7 [bug 1451237]
Affects: fedora-all [bug 1451238]

Comment 3 Andrej Nemec 2017-05-16 08:17:50 UTC


Comment 4 Product Security DevOps Team 2019-06-08 03:12:06 UTC
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.

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