CVE-2016-9459: Generation of Error Message Containing Sensitive Information

Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are vulnerable to a log pollution vulnerability potentially leading to a local XSS. The download log functionality in the admin screen is delivering the log in JSON format to the end-user. The file was delivered with an attachment...

PT-2017-10158

Name of the Vulnerable Software and Affected Versions Nextcloud Server versions prior to 9.0.54 and 10.0.1 ownCloud Server versions prior to 9.0.6 and 9.1.2 Description The issue concerns content spoofing in the files app, where the location bar fails to verify passed parameters. An attacker can...

PT-2017-10156

Name of the Vulnerable Software and Affected Versions Nextcloud Server versions prior to 10.0.1 ownCloud Server versions prior to 9.0.6 and 9.1.2 Description The issue concerns a Stored XSS in the CardDAV image export functionality. This functionality allows the download of images stored within a...

PT-2017-10152

Name of the Vulnerable Software and Affected Versions Nextcloud Server versions prior to 9.0.52 ownCloud Server versions prior to 9.0.4 Description The issue arises from improper verification of edit check permissions on WebDAV copy actions. Specifically, the WebDAV endpoint did not properly chec...

PT-2017-10157

Name of the Vulnerable Software and Affected Versions Nextcloud Server versions prior to 10.0.1 ownCloud Server versions prior to 9.0.6 and 9.1.2 Description The issue arises from a Reflected XSS in the Gallery application, where the gallery app fails to properly sanitize exception messages from...

PT-2017-10150

Name of the Vulnerable Software and Affected Versions Nextcloud Server versions prior to 9.0.52 ownCloud Server versions prior to 9.0.4 Description The issue concerns a log pollution vulnerability that could potentially lead to a local XSS. The download log functionality in the admin screen...

PT-2017-10159

Name of the Vulnerable Software and Affected Versions Nextcloud Server versions prior to 9.0.54 Nextcloud Server versions prior to 10.0.1 ownCloud Server versions prior to 9.0.6 ownCloud Server versions prior to 9.1.2 Description The issue concerns content spoofing in the dav app, where the...

PT-2017-10155

Name of the Vulnerable Software and Affected Versions Nextcloud Server versions prior to 9.0.54 Nextcloud Server version 10.0.0 Description The issue arises from an improper authorization check on removing shares. Specifically, the Sharing Backend in Nextcloud differentiates between shares to use...

PT-2017-10154

Name of the Vulnerable Software and Affected Versions Nextcloud Server versions prior to 9.0.54 Nextcloud Server versions prior to 10.0.1 ownCloud Server versions prior to 9.1.2 ownCloud Server versions prior to 9.0.6 ownCloud Server versions prior to 8.2.9 Description The issue allows an...

PT-2017-10151

Name of the Vulnerable Software and Affected Versions Nextcloud Server versions prior to 9.0.52 ownCloud Server versions prior to 9.0.4 Description The issue allows for a content-spoofing attack in the files app. Specifically, the location bar in the files app does not verify the passed parameter...

PT-2017-10153

Name of the Vulnerable Software and Affected Versions Nextcloud Server versions prior to 9.0.52 ownCloud Server versions prior to 9.0.4 Description The issue arises from improper verification of restore privileges when restoring a file. Specifically, the restore capability was not checking if a...

Nextcloud: Server version/OS type disclosure via HTTP Response Header

1 Issued request below: GET / HTTP/1.1 Host: demo.nextcloud.com User-Agent: Mozilla/5.0 Windows NT 6.1; Win64; x64; rv:43.0 Gecko/20100101 Firefox/43.0 Accept: text/css,/;q=0.1 Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Referer: https://demo.nextcloud.com/hohoho/ Cookie:...

Nextcloud: Content spoofing due to the improper behavior of the 403 page

Content spoofing, also referred to as content injection or virtual defacement, is an attack targeting a user made possible by an injection vulnerability in a web application. PoC: https://usercontent.apps.nextcloud.com/.htaccessthis%20page%20has%20moved%20to%20http://evil.com%20 thanks...

Nextcloud: Update php-saml library to 2.10.5

The php-saml library as used by our SSO implementation had a minor security patch in 2.10.4 as per https://github.com/onelogin/php-saml/commit/949359f5cad5e1d085c4e5447d9aa8f49a6e82a1. So we should update this in our next minor releases. Security update for signature validation on...

Nextcloud: Content Spoofing/Text Injection in nextcloud.com

Greetings, Hello Team, I have found a Content Spoofing/Text Injection on this domain https://nextcloud.com PoC URL: https://nextcloud.com/wp-content/cache/minify/%0d%0ahas%20moved%20to%20www.attacker.com.Please%20visit%20attacker.com%20present%20resource PoC Screen Shot: F168750 Let me know if yo...

Nextcloud: SSRF at apps.nextcloud.com/developer/apps/releases/new

Hi, I've found SSRF vulnerability at https://apps.nextcloud.com/developer/apps/releases/new Description Server Side Request Forgery SSRF is a vulnerability that appears when an attacker has the ability to create requests from the vulnerable server. Usually, Server Side Request Forgery SSRF attack...

Nextcloud: DOM XSS vulnerability in search dialogue (NC-SA-2017-007)

DOM XSS vulnerability in search dialogue NC-SA-2017-007 Risk level: Low CVSS v3 Base Score: 2.6 AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N CWE: Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' CWE-79 Description Inadequate escaping lead to XSS vulnerability in the searc...

Nextcloud: Invalid request may lead content spoofing for phishing

HI, I found that site have invalid request may lead to content spoof. Proof Of Concept: https://logs.nextcloud.com/redirecturi?Andmovet0malicioussite.com Thanks,...

Nextcloud: Content spoofing due to the improper behavior of the 403 page

Content spoofing, also referred to as content injection or virtual defacement, is an attack targeting a user made possible by an injection vulnerability in a web application. PoC:...

Nextcloud: https://xmpp.nextcloud.com///;@www.google.com allows open redirect

Good day : Hope it goes well, an open redirect exists on the main xmpp.nextcloud.com domain allowing "bad hackers" to do bad things : Poc https://xmpp.nextcloud.com///;@www.google.com May you be well on your side of the screen : -Eric...