A buffer over-read in Util_urlDecode in util.c in Tildeslash Monit...

Vulnerability Description

A buffer over-read in Util_urlDecode in util.c in Tildeslash Monit before 5.25.3 allows a remote authenticated attacker to retrieve the contents of adjacent memory via manipulation of GET or POST parameters. The attacker can also cause a denial of service (application outage).

References

• https://bitbucket.org/tildeslash/monit/commits/f12d0cdb42d4e74dffe1525d4062c815c48ac57a
• https://github.com/dzflack/exploits/blob/master/unix/monit_buffer_overread.py
• https://github.com/dzflack/exploits/blob/master/macos/monit_dos.py
• https://lists.debian.org/debian-lts-announce/2019/04/msg00028.html
• https://usn.ubuntu.com/3971-1/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L475QJMFFI2QV5QEHAKKPVX6QX6ECUL6/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HZQDHRSKTEX5MSYXNCGFTUSFGANBARHX/
• https://lists.debian.org/debian-lts-announce/2021/12/msg00018.html