Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Lighttpd | Lighttpd | < 1.4.50 |
| Opensuse | Backports Sle | 15.0 |
| Opensuse | Leap | 15.0 |
| Suse | Suse Linux Enterprise Server | 11 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00054.htmlMailing ListThird Party Advisory
- https://github.com/lighttpd/lighttpd1.4/commit/2105dae0f9d7a964375ce681e53cb1653ExploitVendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/01/msg00012.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00054.htmlMailing ListThird Party Advisory
- https://github.com/lighttpd/lighttpd1.4/commit/2105dae0f9d7a964375ce681e53cb1653ExploitVendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/01/msg00012.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2018-19052?
CVE-2018-19052 is a vulnerability with a CVSS score of 7.5 (HIGH). 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_a...
How severe is CVE-2018-19052?
CVE-2018-19052 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-19052?
Check the references section above for vendor advisories and patch information. Affected products include: Lighttpd Lighttpd, Opensuse Backports Sle, Opensuse Leap, Suse Suse Linux Enterprise Server, Debian Debian Linux.