CVE-2019-11455
HIGHCVSS 8.1/10EPSS 3.14%
Last modified
CVE-2019-11455 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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).. EPSS estimates a 3.14% chance of exploitation in the next 30 days.
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).
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Tildeslash | Monit | < 5.25.3 |
| Debian | Debian Linux | 8.0 |
| Fedoraproject | Fedora | 31 |
| Fedoraproject | Fedora | 32 |
| Canonical | Ubuntu Linux | 18.10 |
| Canonical | Ubuntu Linux | 19.04 |
References
- https://bitbucket.org/tildeslash/monit/commits/f12d0cdb42d4e74dffe1525d4062c815c48ac57aPatch, Third Party Advisory
- https://github.com/dzflack/exploits/blob/master/macos/monit_dos.pyExploit, Third Party Advisory
- https://github.com/dzflack/exploits/blob/master/unix/monit_buffer_overread.pyExploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/04/msg00028.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/12/msg00018.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/3971-1/Patch, Third Party Advisory
- https://bitbucket.org/tildeslash/monit/commits/f12d0cdb42d4e74dffe1525d4062c815c48ac57aPatch, Third Party Advisory
- https://github.com/dzflack/exploits/blob/master/macos/monit_dos.pyExploit, Third Party Advisory
- https://github.com/dzflack/exploits/blob/master/unix/monit_buffer_overread.pyExploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/04/msg00028.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/12/msg00018.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/3971-1/Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-11455?
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).
How severe is CVE-2019-11455?
CVE-2019-11455 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 3.14% probability of exploitation in the next 30 days.
How do I fix CVE-2019-11455?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2019-11455?
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