CVE-2018-19052 Information

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 Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00054.html https://github.com/lighttpd/lighttpd1.4/commit/2105dae0f9d7a964375ce681e53cb165375f84c1

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5