CVE-2018-15505
Last modified
CVE-2018-15505 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue was discovered in Embedthis GoAhead before 4.0.1 and Appweb before 7.0.2. An HTTP POST request with a specially crafted "Host" header field may cause a NULL pointer dereference and thus cause a denial of service, as demonstrated by the lack of a trailing ']' character in an IPv6 address.. EPSS estimates a 2.23% chance of exploitation in the next 30 days.
Description
An issue was discovered in Embedthis GoAhead before 4.0.1 and Appweb before 7.0.2. An HTTP POST request with a specially crafted "Host" header field may cause a NULL pointer dereference and thus cause a denial of service, as demonstrated by the lack of a trailing ']' character in an IPv6 address.
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 |
|---|---|---|
| Embedthis | Appweb | < 7.0.2 |
| Embedthis | Goahead | < 4.0.1 |
| Juniper | Junos | 12.3 |
| Juniper | Junos | 12.3x48 |
| Juniper | Junos | 15.1 |
| Juniper | Junos | 15.1x49 |
| Juniper | Junos | 15.1x53 |
| Juniper | Junos | 16.1 |
| Juniper | Junos | 16.2 |
| Juniper | Junos | 17.1 |
| Juniper | Junos | 17.2 |
| Juniper | Junos | 17.3 |
| Juniper | Junos | 17.4 |
| Juniper | Junos | 18.1 |
References
- https://github.com/embedthis/appweb/commit/16e6979c82297d5fc4f8661e7ada975f51e4dfa9Patch, Third Party Advisory
- https://github.com/embedthis/appweb/issues/605Broken Link, Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/embedthis/goahead/issues/264Broken Link, Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/embedthis/appweb/commit/16e6979c82297d5fc4f8661e7ada975f51e4dfa9Patch, Third Party Advisory
- https://github.com/embedthis/appweb/issues/605Broken Link, Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/embedthis/goahead/issues/264Broken Link, Exploit, Issue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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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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