CVE-2018-19052
lighttpd - security update
7.5
HIGH
CVSS 3.1
EPSS 57.1%
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.
How to fix CVE-2018-19052
To remediate CVE-2018-19052, upgrade the affected package to a fixed version below.
- —upgrade to 1.4.52-1 or later
- —upgrade to 1.4.45-1+deb9u1 or later
Is CVE-2018-19052 being exploited?
Likely — EPSS is 57.1%, placing CVE-2018-19052 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (2)
- from 0, < 1.4.52-1
- from 0, < 1.4.45-1+deb9u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |