CVE-2023-28115 (GCVE-0-2023-28115)
Vulnerability from cvelistv5
Published
2023-03-17 21:15
Modified
2025-02-25 14:53
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-502 - Deserialization of Untrusted Data
Summary
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 `file_exists()` function. If an attacker can upload files of any type to the server he can pass in the phar:// protocol to unserialize the uploaded file and instantiate arbitrary PHP objects. This can lead to remote code execution especially when snappy is used with frameworks with documented POP chains like Laravel/Symfony vulnerable developer code. If a user can control the output file from the `generateFromHtml()` function, it will invoke deserialization. This vulnerability is capable of remote code execution if Snappy is used with frameworks or developer code with vulnerable POP chains. It has been fixed in version 1.4.2.
References
security-advisories@github.comhttps://github.com/KnpLabs/snappy/blob/5126fb5b335ec929a226314d40cd8dad497c3d67/src/Knp/Snappy/AbstractGenerator.php#L670Product
security-advisories@github.comhttps://github.com/KnpLabs/snappy/commit/1ee6360cbdbea5d09705909a150df7963a88efd6Patch
security-advisories@github.comhttps://github.com/KnpLabs/snappy/commit/b66f79334421c26d9c244427963fa2d92980b5d3Patch
security-advisories@github.comhttps://github.com/KnpLabs/snappy/pull/469Patch
security-advisories@github.comhttps://github.com/KnpLabs/snappy/releases/tag/v1.4.2Release Notes
security-advisories@github.comhttps://github.com/KnpLabs/snappy/security/advisories/GHSA-gq6w-q6wh-jggcExploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/KnpLabs/snappy/blob/5126fb5b335ec929a226314d40cd8dad497c3d67/src/Knp/Snappy/AbstractGenerator.php#L670Product
af854a3a-2127-422b-91ae-364da2661108https://github.com/KnpLabs/snappy/commit/1ee6360cbdbea5d09705909a150df7963a88efd6Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/KnpLabs/snappy/commit/b66f79334421c26d9c244427963fa2d92980b5d3Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/KnpLabs/snappy/pull/469Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/KnpLabs/snappy/releases/tag/v1.4.2Release Notes
af854a3a-2127-422b-91ae-364da2661108https://github.com/KnpLabs/snappy/security/advisories/GHSA-gq6w-q6wh-jggcExploit, Vendor Advisory
Impacted products
Vendor Product Version
KnpLabs snappy Version: < 1.4.2
 Create a notification for this product.
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