Vulnerability in Webasyst Framework

[ Description ]Official description

Webasyst Framework through 4.4.0 contains an arbitrary file read vulnerability in waArchiveTar::writeItem() that creates symlinks from theme archives without validating link targets. Authenticated users with theme management rights can upload themes containing symlinks to wa-config/db.php or /etc/passwd and read them through the public theme path.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• github.com/webasyst/webasyst-framework
• github.com/webasyst/webasyst-framework/blob/cc609e5db23e68d982e15ebf65bf9d25120333af/wa…
• github.com/webasyst/webasyst-framework/blob/cc609e5db23e68d982e15ebf65bf9d25120333af/wa…
• github.com/webasyst/webasyst-framework/issues/396
• www.vulncheck.com/advisories/webasyst-framework-through-4.4.0-arbitrary-file-read-via-w…