CVE-2018-18898
HIGHCVSS 7.5/10EPSS 2.36%
Last modified
CVE-2018-18898 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The email-ingestion feature in Best Practical Request Tracker 4.1.13 through 4.4 allows denial of service by remote attackers via an algorithmic complexity attack on email address parsing.. EPSS estimates a 2.36% chance of exploitation in the next 30 days.
Description
The email-ingestion feature in Best Practical Request Tracker 4.1.13 through 4.4 allows denial of service by remote attackers via an algorithmic complexity attack on email address parsing.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Bestpractical | Request Tracker | >= 4.1.13, <= 4.4.0 |
| Fedoraproject | Fedora | 28 |
| Fedoraproject | Fedora | 29 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 10.0 |
References
- https://bestpractical.com/download-pageProduct, Release Notes
- https://lists.debian.org/debian-lts-announce/2020/02/msg00009.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/4517-1/Third Party Advisory
- https://bestpractical.com/download-pageProduct, Release Notes
- https://lists.debian.org/debian-lts-announce/2020/02/msg00009.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/4517-1/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-18898?
The email-ingestion feature in Best Practical Request Tracker 4.1.13 through 4.4 allows denial of service by remote attackers via an algorithmic complexity attack on email address parsing.
How severe is CVE-2018-18898?
CVE-2018-18898 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.36% probability of exploitation in the next 30 days.
How do I fix CVE-2018-18898?
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-2018-18898?
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Scan your code nowSource: NVD / NIST