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
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