SB2019050901 - Multiple vulnerabilities in Tildeslash Monit
Published: May 9, 2019
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Stored cross-site scripting (CVE-ID: CVE-2019-11454)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. The vulnerability allows a remote authenticated attacker to inject arbitrary JavaScript via user field of the Authorization header for HTTP Basic Authentication and execute it during an "_viewlog" operation.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
2) Out-of-bounds read (CVE-ID: CVE-2019-11455)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition when processing parameters passed via HTTP GET or POST requests within the Util_urlDecode() function in util.c. A remote authenticated attacker can send a specially crafted HTTP request to the affected application, trigger out-of-bounds read error and read contents of memory.
Remediation
Install update from vendor's website.
References
- https://bitbucket.org/tildeslash/monit/commits/1a8295eab6815072a18019b668fe084945b751f3
- https://bitbucket.org/tildeslash/monit/commits/328f60773057641c4b2075fab9820145e95b728c
- https://github.com/dzflack/exploits/blob/master/unix/monit_xss.py
- https://lists.debian.org/debian-lts-announce/2019/04/msg00028.html
- https://usn.ubuntu.com/3971-1/
- https://bitbucket.org/tildeslash/monit/commits/f12d0cdb42d4e74dffe1525d4062c815c48ac57a
- https://github.com/dzflack/exploits/blob/master/macos/monit_dos.py
- https://github.com/dzflack/exploits/blob/master/unix/monit_buffer_overread.py