CVE-2019-11455

HIGH EPSS 86.3%
Published Apr 22, 20197y ago · Modified Jun 17, 20262w ago
8.1 CVSS 3.1
High
Find Similar
Published Apr 22, 2019 7y ago
Last Modified Jun 17, 2026 2w ago

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).

CVSS Details

Base Score
8.1
Exploitability
2.8
Impact
5.2
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
86.3% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-125 Out-of-bounds Read Memory Safety

Affected Products 6

VendorProductVersionRange
tildeslashmonit* <5.25.3
debiandebian_linux8.0any
fedoraprojectfedora31any
fedoraprojectfedora32any
canonicalubuntu_linux18.10any
canonicalubuntu_linux19.04any

References 8

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

Remediation

  • bitbucket.org https://bitbucket.org/tildeslash/monit/commits/f12d0cdb42d4e74dffe1525d4062c815c48ac57a
    PatchThird Party Advisory
  • usn.ubuntu.com https://usn.ubuntu.com/3971-1/
    PatchThird Party Advisory