CVE-2019-12799
HighPublic exploitShopware Insecure Deserialization Vulnerability
Published May 24, 2022 · Updated Aug 4, 2024 · Also known as GHSA-rf8f-hqjv-986p
Key Facts
Patch immediately- CVE-2019-12799 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Shopware, shopware/shopware (composer).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 54% probability of exploitation in the next 30 days.
- Fixed versions are available, including Shopware <=5.6.0, Shopware 5.6.0.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
54%
Higher than 98.9% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2019-12799 brief as a PDF
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Description
In createInstanceFromNamedArguments in Shopware through 5.6.x, a crafted web request can trigger a PHP object instantiation vulnerability, which can result in an arbitrary deserialization if the right class is instantiated. An attacker can leverage this deserialization to achieve remote code execution. NOTE: this issue is a bypass for a CVE-2017-18357 whitelist patch.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| ShopwareShopware | See advisory | 5.6.0 |
| shopware/shopwarecomposer | >= 5.3.0 | n/a |
Patched Releases
Shopware
<=5.6.0
Timeline
Publicly disclosed
May 24, 2022
Last updated
Aug 4, 2024
Weakness Type
- CWE-502 Deserialization of Untrusted Data
References
- advisoryhttps://github.com/advisories/GHSA-6m27-7cqj-2mxw
- advisoryGHSA advisory
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2019-12799
- advisoryhttps://web.archive.org/web/20171112153855/https://blog.ripstech.com/2017/shopware-php-object-instantiation-to-blind-xxe/
- patchhttps://github.com/rapid7/metasploit-framework/pull/11828
FAQ
Common Questions.
In createInstanceFromNamedArguments in Shopware through 5.6.x, a crafted web request can trigger a PHP object instantiation vulnerability, which can result in an arbitrary deserialization if the right class is instantiated.
Affected: Shopware; shopware/shopware (composer) versions >= 5.3.0. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Shopware <=5.6.0, Shopware 5.6.0.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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