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TI-2018-13505 Aliases CVE-2018-19052GHSA-f959-jhqc-rqpv

An issue was discovered in mod_alias_physical_handler in mod_alias.c in lighttpd before…

Priority MEDIUM 48CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.13714 96th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 13

CPEVersionsRoleVendor
cpe:2.3:a:lighttpd:lighttpd:*:*:*:*:*:*:*:*before 1.4.50Vulnerablelighttpd
cpe:2.3:a:opensuse:backports_sle:15.0:-:*:*:*:*:*:*15.0VulnerableopenSUSE
cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*15.0 sp1VulnerableopenSUSE
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*15.0VulnerableopenSUSE
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*15.1VulnerableopenSUSE
cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp3:*:*:*:*:*:*11 sp3VulnerableSUSE
cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp4:*:*:*:*:*:*11 sp4VulnerableSUSE
cpe:2.3:o:suse:suse_linux_enterprise_server:12:*:*:*:*:*:*:*12VulnerableSUSE
cpe:2.3:o:suse:suse_linux_enterprise_server:12:sp1:*:*:*:*:*:*12 sp1VulnerableSUSE
cpe:2.3:o:suse:suse_linux_enterprise_server:12:sp2:*:*:*:*:*:*12 sp2VulnerableSUSE
  • cpe:2.3:a:lighttpd:lighttpd:*:*:*:*:*:*:*:* Versions before 1.4.50 Vulnerable ·lighttpd
  • cpe:2.3:a:opensuse:backports_sle:15.0:-:*:*:*:*:*:* Versions 15.0 Vulnerable ·openSUSE
  • cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:* Versions 15.0 sp1 Vulnerable ·openSUSE
  • cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* Versions 15.0 Vulnerable ·openSUSE
  • cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* Versions 15.1 Vulnerable ·openSUSE
  • cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp3:*:*:*:*:*:* Versions 11 sp3 Vulnerable ·SUSE
  • cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp4:*:*:*:*:*:* Versions 11 sp4 Vulnerable ·SUSE
  • cpe:2.3:o:suse:suse_linux_enterprise_server:12:*:*:*:*:*:*:* Versions 12 Vulnerable ·SUSE
  • cpe:2.3:o:suse:suse_linux_enterprise_server:12:sp1:*:*:*:*:*:* Versions 12 sp1 Vulnerable ·SUSE
  • cpe:2.3:o:suse:suse_linux_enterprise_server:12:sp2:*:*:*:*:*:* Versions 12 sp2 Vulnerable ·SUSE
Show 3 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:suse:suse_linux_enterprise_server:12:sp3:*:*:*:*:*:*12 sp3VulnerableSUSE
cpe:2.3:o:suse:suse_linux_enterprise_server:12:sp4:*:*:*:*:*:*12 sp4VulnerableSUSE
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
  • cpe:2.3:o:suse:suse_linux_enterprise_server:12:sp3:*:*:*:*:*:* Versions 12 sp3 Vulnerable ·SUSE
  • cpe:2.3:o:suse:suse_linux_enterprise_server:12:sp4:*:*:*:*:*:* Versions 12 sp4 Vulnerable ·SUSE
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-19052
  2. 2026-10-03 Alias added: GHSA-f959-jhqc-rqpv

References

Exploit 1

Advisory 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences