CVE-2018-19052: Path Traversal
First published: Wed Nov 07 2018(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Lighttpd Lighttpd | <1.4.50 | |
| openSUSE Backports SLE | =15.0 | |
| openSUSE Backports SLE | =15.0-sp1 | |
| openSUSE Leap | =15.0 | |
| openSUSE Leap | =15.1 | |
| SUSE SUSE Linux Enterprise Server | =11-sp3 | |
| SUSE SUSE Linux Enterprise Server | =11-sp4 | |
| SUSE SUSE Linux Enterprise Server | =12 | |
| SUSE SUSE Linux Enterprise Server | =12-sp1 | |
| SUSE SUSE Linux Enterprise Server | =12-sp2 | |
| SUSE SUSE Linux Enterprise Server | =12-sp3 | |
| SUSE SUSE Linux Enterprise Server | =12-sp4 | |
| Debian Debian Linux | =9.0 |
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Reference Links
Frequently Asked Questions
What is CVE-2018-19052?
CVE-2018-19052 is a vulnerability in mod_alias_physical_handler in lighttpd before version 1.4.50.
What is the severity of CVE-2018-19052?
CVE-2018-19052 has a severity rating of high with a score of 7.5.
What is the affected software for CVE-2018-19052?
The affected software for CVE-2018-19052 includes Lighttpd before version 1.4.50, openSUSE Backports SLE 15.0 and 15.0-sp1, openSUSE Leap 15.0 and 15.1, SUSE Linux Enterprise Server 11-sp3 and 11-sp4, and Debian Linux 9.0.
How does CVE-2018-19052 impact the system?
CVE-2018-19052 allows for potential path traversal of a single directory above an alias target, which can lead to unauthorized access or disclosure of sensitive information.
How can I fix CVE-2018-19052?
To fix CVE-2018-19052, users should upgrade to lighttpd version 1.4.50 or apply the necessary patches provided by the software vendor.
- agent/type
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/severity
- agent/author
- agent/weakness
- agent/references
- agent/last-modified-date
- agent/softwarecombine
- agent/description
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- agent/tags
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- vendor/lighttpd
- canonical/lighttpd lighttpd
- vendor/opensuse
- canonical/opensuse backports sle
- version/opensuse backports sle/15.0
- version/opensuse backports sle/15.0-sp1
- canonical/opensuse leap
- version/opensuse leap/15.0
- version/opensuse leap/15.1
- vendor/suse
- canonical/suse suse linux enterprise server
- version/suse suse linux enterprise server/11-sp3
- version/suse suse linux enterprise server/11-sp4
- version/suse suse linux enterprise server/12
- version/suse suse linux enterprise server/12-sp1
- version/suse suse linux enterprise server/12-sp2
- version/suse suse linux enterprise server/12-sp3
- version/suse suse linux enterprise server/12-sp4
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0