Vulnerability Details : CVE-2018-19052
Potential exploit
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.
Vulnerability category: Directory traversal
Products affected by CVE-2018-19052
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server:12:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp3:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp4:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server:12:sp2:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server:12:sp3:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server:12:sp4:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server:12:sp1:*:*:*:*:*:*
- cpe:2.3:a:lighttpd:lighttpd:*:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
- cpe:2.3:a:opensuse:backports_sle:15.0:-:*:*:*:*:*:*
- cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*
Threat overview for CVE-2018-19052
Top countries where our scanners detected CVE-2018-19052
Top open port discovered on systems with this issue
80
IPs affected by CVE-2018-19052 3,499,337
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2018-19052!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
from SecurityScorecard.
Exploit prediction scoring system (EPSS) score for CVE-2018-19052
0.26%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 65 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-19052
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2018-19052
-
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-19052
-
https://lists.debian.org/debian-lts-announce/2022/01/msg00012.html
[SECURITY] [DLA 2879-1] lighttpd security updateMailing List;Third Party Advisory
-
https://github.com/lighttpd/lighttpd1.4/commit/2105dae0f9d7a964375ce681e53cb165375f84c1
[mod_alias] security: potential path traversal with specific configs · lighttpd/lighttpd1.4@2105dae · GitHubExploit;Vendor Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00054.html
[security-announce] openSUSE-SU-2019:2347-1: moderate: Security update fMailing List;Third Party Advisory
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