Open-Xchange OX App Suite Cross-Site Scripting Vulnerability (CNVD-2020-60334)

Open-Xchange OX App Suite is a set of Web-based cloud desktop environments from Open-Xchange USA. The environment allows users to manage email, tasks, files, etc. more intuitively. A cross-site scripting vulnerability exists in OX App Suite version 7.10.3 and prior versions, which stems from a la...

CVE-2020-15004

OX App Suite through 7.10.3 allows stats/diagnostic?param= XSS...

CVE-2020-15003

OX App Suite through 7.10.3 allows Information Exposure because a user can obtain the IP address and User-Agent string of a different user via the session API during shared Drive access...

Open-Xchange: Guard WKS lookup: Evil WKS server forces connections to last forever

Any logged-in user can cause denial of service against the AppSuite server by asking Guard to fetch keys from a badly-behaving WKS server. This WKS server's response never ends, tying up a java process and TLS connection forever. Any logged-in user can cause denial of service against the AppSuite...

Open-Xchange: SSRF - Unchecked Snippet IDs for distributed files

ManagedFile ManagedFiles are basically just temporary files with some ID used for various purposes. When a managed file is created, it is registered in the local file map, which is just an internal map from StringUUID to ManagedFile, and optionally also in the distributed file map, which is a...

Open-Xchange: XSS - Notes - Attribute injection through overlapping tags

The Notes app uses simple markup language to format the content, which is later converted to HTML for display. javascript // frontend/ui/apps/io.ox/notes/parser.js parsePlainText: function text var lines = .escapetext.split/\n/, openList; ... var html = lines.join'' .replace/!\.?/g, ''...

Open-Xchange: A malicious user can upload a malicious script through managesieve and trigger its execution in order to consume almost 100% of CPU (LMTP).

Summary A malicious user can create a malicious sieve script attached as "test.sieve", upload it to the server through managesieve and set as active. Then the user can send several specially crafted messages to himself to trigger long script execution. The attacker has to send one message per...

OX App Suite Access Control Bypass Vulnerability

Open-Xchange OX App Suite is a modular platform designed for telcos, hosting companies and vendors to provide a wide range of cloud-based services. An access control bypass vulnerability exists in OX App Suite 7.10.3 and earlier versions. The vulnerability stems from an incorrect permission check...

Open-Xchange: Buffer overread off by one in `rpa_read_buffer`, incomplete fix for CVE-2020-12674

In function rpareadbuffer, the condition in if p end return 0; len = p++; is not strict enough It should be if p = end return 0; len = p++; The fix from https://github.com/dovecot/core/commit/69ad3c902ea4bbf9f21ab1857d8923f975dc6145 is not enough The ASAN stack trace is...

Open-Xchange: Assert failed in `edit_mail_istream_read`

To reproduce, run test suite on following input : require "vnd.dovecot.testsuite"; require "variables"; require "editheader"; testset "message" "$mege"; test "" addheader :last "der" "Her-3"; if not testresultexecute Output is with ASAN enabled stack trace testsuite: Panic: file edit-mail.c: line...

Open-Xchange: A specifically designed sieve script can cause a DoS in lib-sieve during sieve script compilation via NULL pointer dereference

Reproduction realcrash.sieve is the attached script 1. Build dovecot and pigeonhole 2. Run sievec realcrash.sieve Requirements include and variables extensions should be required. One of the global commands global/export/import without any arguments should be followed by the same command with val...

OX App Suite / OX Documents XSS / SSRF / Bypass

Dear subscribers, we're sharing our latest advisory with you and like to thank everyone who contributed in finding and solving those vulnerabilities. Feel free to join our bug bounty programs for OX App Suite, Dovecot and PowerDNS at HackerOne. Yours sincerely, Martin Heiland, Open-Xchange GmbH...

Open-Xchange: Null dereference or redundant null check in `mail_crypt_load_global_private_key` for plugin mail-crypt

In this function, we check once if errorr is not NULL in if enctype == DCRYPTKEYENCRYPTIONTYPEPASSWORD / Fail here if password is not set since openssl will prompt for it otherwise / if keypassword == NULL if errorr != NULL errorr = tstrdupprintf"%s: %s unset, no " "password to decrypt the key",...

Open-Xchange: Buffer over read from `smtp_command_parse_parameters`

Function smtpcommandparseparameters calls uniutf8getcharn with length parameter sizetp - parser-endwhen the parameter should be sizetparser-end - p To reproduce, send as input to the smtp server 8191 spaces followed by the beginning of one unicode character printf ' %8190s\xdc' " " | nc localhost...

Open-Xchange OX App Suite Resource Management Error Vulnerability

Open-Xchange OX App Suite is a set of Web-based cloud desktop environments from Open-Xchange USA. The environment allows users to manage email, tasks, files, etc. more intuitively. A resource management error vulnerability exists in Open-Xchange OX App Suite 7.10.3 and prior versions. A remote...

Open-Xchange OX App Suite code issue vulnerability (CNVD-2020-52699)

Open-Xchange OX App Suite is a set of Web-based cloud desktop environments from Open-Xchange USA. The environment allows users to manage email, tasks, files, etc. more intuitively. A code issue vulnerability exists in Open-Xchange OX App Suite 7.10.3 and prior versions. An attacker can exploit th...

Open-Xchange OX App Suite Cross-Site Scripting Vulnerability (CNVD-2020-52700)

Open-Xchange OX App Suite is a set of Web-based cloud desktop environments from Open-Xchange USA. The environment allows users to manage email, tasks, files, etc. more intuitively. A cross-site scripting vulnerability exists in Open-Xchange OX App Suite versions 7.10.3 and earlier. The...

Open-Xchange OX App Suite code issue vulnerability (CNVD-2020-52698)

Open-Xchange OX App Suite is a set of Web-based cloud desktop environments from Open-Xchange USA. The environment allows users to manage email, tasks, files, etc. more intuitively. A code issue vulnerability exists in Open-Xchange OX App Suite 7.10.3 and prior versions. An attacker could exploit...

Open-Xchange OX Guard Cross-Site Scripting Vulnerability (CNVD-2020-53118)

Open-Xchange OX Guard is an encryption software from Open-Xchange USA. The software is mainly used for encryption/decryption of emails and documents. A cross-site scripting vulnerability exists in Open-Xchange OX Guard 2.10.3 and earlier versions. The vulnerability stems from a lack of proper...

Open-Xchange OX Guard Code Issue Vulnerability

Open-Xchange OX Guard is an encryption software from Open-Xchange USA. The software is mainly used for encryption/decryption of emails and documents. A code issue vulnerability exists in Open-Xchange OX Guard 2.10.3 and prior versions. The vulnerability arises from an improperly designed or...