BookStack path traversal vulnerability

BookStack is a suite of open source platforms for building wiki documentation using PHP and Laravel from the BookStackApp Bookstackapp team. A path traversal vulnerability exists in bookstack, which stems from an improper restriction of pathnames to restricted directories in the affected product...

Path Traversal in bookstackapp/bookstack

Description During reading recent BookStack source code 85dc8d I discovered path traversal vulnerability. Authenticated user can have access to all files stored in storage directory. Proof of Concept GET /uploads/images/..%2f/..%2f/logs/laravel.log HTTP/1.1 Host: 172.17.0.1:8888 User-Agent:...

CVE-2021-3906

bookstack is vulnerable to Unrestricted Upload of File with Dangerous Type...

CVE-2021-3906

bookstack is vulnerable to Unrestricted Upload of File with Dangerous Type...

CVE-2021-3906

bookstack is vulnerable to Unrestricted Upload of File with Dangerous Type...

Unrestricted file upload

bookstack is vulnerable to Unrestricted Upload of File with Dangerous Type...

CVE-2021-3906

CVE-2021-3906 affects BookStack (bookstackapp/bookstack) via Unrestricted Upload of File with Dangerous Type. The root cause is a validation bypass: trim is applied to single-quoted strings, so an extension like pngr becomes png after trimming, allowing dangerous files to pass validation. This en...

CVE-2021-3906

bookstack is vulnerable to Unrestricted Upload of File with Dangerous Type...

CVE-2021-3906: Unrestricted Upload of File with Dangerous Type

bookstack is vulnerable to Unrestricted Upload of File with Dangerous Type...

PT-2021-22368

Name of the Vulnerable Software and Affected Versions bookstack affected versions not specified Description The issue concerns an unrestricted upload of files with dangerous types. There is no information provided about the estimated number of potentially affected devices worldwide or real-world...

BookStack code issues and vulnerabilities

BookStack is an open source platform for building wiki documents using PHP and Laravel from the BookStackApp Bookstackapp team. A code issue vulnerability exists in bookstack that stems from bookstack's susceptibility to unlimited uploads of dangerous types of files...

in bookstackapp/bookstack

Description The image extension validation service for Base64 image extraction in new Bookstack version is flawed as it uses the vulnerable trim function. This allows attackers to upload malicious files with broken extension, such as pngr, and browsers will interpret broken extension hosted on th...

CVE-2021-3874

bookstack is vulnerable to Improper Limitation of a Pathname to a Restricted Directory 'Path Traversal'...

CVE-2021-3874

bookstack is vulnerable to Improper Limitation of a Pathname to a Restricted Directory 'Path Traversal'...

Path traversal

bookstack is vulnerable to Improper Limitation of a Pathname to a Restricted Directory 'Path Traversal'...

CVE-2021-3874

bookstack is vulnerable to Improper Limitation of a Pathname to a Restricted Directory 'Path Traversal'...

CVE-2021-3874

bookstack is vulnerable to Improper Limitation of a Pathname to a Restricted Directory 'Path Traversal'...

CVE-2021-3874

CVE-2021-3874: Path traversal in bookstackapp/bookstack (BookStack) due to improper restriction of restricted-directory pathnames. Impact described in connected sources as exposure of sensitive files via crafted pathnames (e.g., accessing logs/.htaccess) in BookStack export/filesystem operations....

PT-2021-22279

Name of the Vulnerable Software and Affected Versions bookstack affected versions not specified Description The issue is related to Improper Limitation of a Pathname to a Restricted Directory, also known as 'Path Traversal'. This means that an attacker could potentially access files or directorie...

CVE-2021-3874: Improper Limitation of a Pathname to a Restricted Directory

bookstack is vulnerable to Improper Limitation of a Pathname to a Restricted Directory 'Path Traversal'...