CVE-2018-19052
7.5 · HIGHOverview
CVE-2018-19052 is a high-severity vulnerability affecting lighttpd lighttpd. It was published on November 7, 2018 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
An issue was discovered in mod_alias_physical_handler in mod_alias.c in lighttpd before 1.4.50. There is potential ../ path traversal of a single directory above an alias target, with a specific mod_alias configuration where the matched alias lacks a trailing '/' character, but the alias target filesystem path does have a trailing '/' character.
Remediation
Check the references section for vendor advisories and patches from lighttpd. Update lighttpd to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| lighttpd | lighttpd | >= 0, < 1.4.50 | Affected |
References
Frequently Asked Questions
What is CVE-2018-19052?
CVE-2018-19052 is a high-severity vulnerability affecting lighttpd lighttpd. It was published on November 7, 2018 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2018-19052?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-19052?
Check the references section for vendor advisories and patches from lighttpd. Update lighttpd to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2018-19052?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-19052 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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