CVE-2019-10053
UnknownEPSS 1.71%
Last modified
CVE-2019-10053 is a vulnerability of currently unknown severity. An issue was discovered in Suricata 4.1.x before 4.1.4. If the input of the function SSHParseBanner is composed only of a \n character, then the program runs into a heap-based buffer over-read. EPSS estimates a 1.71% chance of exploitation in the next 30 days.
Description
An issue was discovered in Suricata 4.1.x before 4.1.4. If the input of the function SSHParseBanner is composed only of a \n character, then the program runs into a heap-based buffer over-read. This occurs because the erroneous search for \r results in an integer underflow.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Suricata-Ids | Suricata | >= 4.1.0, < 4.1.4 |
References
- https://lists.openinfosecfoundation.org/pipermail/oisf-announce/Third Party Advisory
- https://suricata-ids.org/2019/04/30/suricata-4-1-4-released/Patch, Vendor Advisory
- https://lists.openinfosecfoundation.org/pipermail/oisf-announce/Third Party Advisory
- https://suricata-ids.org/2019/04/30/suricata-4-1-4-released/Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-10053?
An issue was discovered in Suricata 4.1.x before 4.1.4. If the input of the function SSHParseBanner is composed only of a \n character, then the program runs into a heap-based buffer over-read. This occurs because the erroneous search for \r results in an integer underflow.
How severe is CVE-2019-10053?
Severity scoring for CVE-2019-10053 is pending analysis. The EPSS model estimates a 1.71% probability of exploitation in the next 30 days.
How do I fix CVE-2019-10053?
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.
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Are you affected by CVE-2019-10053?
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