GHSA-2FMJ-P74R-3WJM PhpWeasyPrint vulnerable to PHAR deserialization via output filename (CVE-2023-28115 case-insensitive bypass)

Summary pontedilana/php-weasyprint guarded the output filename against the phar:// stream wrapper with a case-sensitive blacklist: php if 0 === \strpos$filename, 'phar://' throw new \InvalidArgumentException'The output file cannot be a phar archive.'; PHP stream wrappers are case-insensitive, so...

Snappy PHAR deserialization vulnerability

Issue On March 17th the vulnerability CVE-2023-28115 was disclosed, allowing an attacker to gain remote code execution through PHAR deserialization. To fix this issue, the version 1.4.2 was released with an additional check in the affected function to prevent the usage of the phar:// wrapper...

CVE-2023-41330 Unsafe deserialization in knplabs/knp-snappy

knplabs/knp-snappy is a PHP library allowing thumbnail, snapshot or PDF generation from a url or a html page. Issue On March 17th the vulnerability CVE-2023-28115 was disclosed, allowing an attacker to gain remote code execution through PHAR deserialization. Version 1.4.2 added a check if...

Snappy PHAR deserialization vulnerability

Issue On March 17th the vulnerability CVE-2023-28115 was disclosed, allowing an attacker to gain remote code execution through PHAR deserialization. To fix this issue, the version 1.4.2 was released with an additional check in the affected function to prevent the usage of the phar:// wrapper...

CVE-2023-28115

CVE-2023-28115 affects the knplabs/knp-snappy PHP library (Pdf/Html generation) prior to version 1.4.2. The root cause is a lack of validation for the protocol passed into file_exists(), allowing an attacker who can upload files to trigger PHAR deserialization via the phar:// wrapper and potentia...

CVE-2023-28115 Snappy vulnerable to PHAR deserialization, allowing remote code execution

Snappy is a PHP library allowing thumbnail, snapshot or PDF generation from a url or a html page. Prior to version 1.4.2, Snappy is vulnerable to PHAR deserialization due to a lack of checking on the protocol before passing it into the fileexists function. If an attacker can upload files of any...