CVE-2018-8947 Plaintext Storage of Sensitive Information in Laravel Log Viewer before v0.13.0
Remote attackers can bypass access restrictions and read arbitrary files by exploiting weak Base64 encoding in log viewer requests.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-8947?
CVE-2018-8947 is a high-severity path traversal vulnerability in n/a, published on 25 Mar 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
rap2hpoutre Laravel Log Viewer before v0.13.0 relies on Base64 encoding for l, dl, and del requests, which makes it easier for remote attackers to bypass intended access restrictions, as demonstrated by reading arbitrary files via a dl request.
Weakness: CWE-312
Which versions are affected by CVE-2018-8947?
2 open source packages ship an affected version, including rap2hpoutre/laravel-log-viewer. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
rap2hpoutre/laravel-log-viewer Packagist | All versions | 0.13.0 |
rap2hpoutre/laravel-log-viewer Packagist | All versions | 0.13.0 |
Products include Laravel Log Viewer Project Laravel Log Viewer.
How do I fix CVE-2018-8947?
Upgrade rap2hpoutre/laravel-log-viewer to 0.13.0 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2018-8947 being exploited?
There is no known exploitation of CVE-2018-8947 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry and 1 proofs of concept on GitHub.
Sources
Also known as GHSA-63qj-p8gh-5xxx.