Very High
CVE-2024-34102
CVE ID
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CVE-2024-34102
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
Description
Adobe Commerce versions 2.4.7, 2.4.6-p5, 2.4.5-p7, 2.4.4-p8 and earlier are affected by an Improper Restriction of XML External Entity Reference (‘XXE’) vulnerability that could result in arbitrary code execution. An attacker could exploit this vulnerability by sending a crafted XML document that references external entities. Exploitation of this issue does not require user interaction.
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Ratings
-
Attacker ValueVery High
-
ExploitabilityHigh
Technical Analysis
Adobe Commerce, which is based on the Magento PHP suite, is a popular framework for commerce websites. CVE-2024-34102 is a critical unauthenticated XML injection vulnerability, initially reported by Sergey Temnikov, that targets Commerce. Unsafe deserialization of data is performed with tainted JSON string data, which results in an attacker-controlled SimpleXMLElement
class that will resolve external entities.
An attacker with unauthenticated access to Adobe Commerce can send a crafted JSON string containing an XML object that embeds DTDs to read local files, including the env.php
that contains the JWT secret. With this information, an attacker can forge their own privileged session token and authenticate to Adobe Commerce as an administrator. Sergey also reported that the vulnerability can be chained with the recent iconv bug in the glibc for RCE via PHP filters.
A Metasploit gather module for CVE-2024-34102 was contributed to the framework by @heyder. Anyone running Adobe Commerce or Magento that has not updated should do so urgently, since the vulnerability can be exploited without authentication for critical impact. Adobe has provided an official fix for the vulnerability that can be applied over previous emergency hotfixes.
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General Information
Vendors
- adobe
Products
- commerce 2.3.7,
- commerce 2.4.0,
- commerce 2.4.1,
- commerce 2.4.2,
- commerce 2.4.3,
- commerce 2.4.4,
- commerce 2.4.5,
- commerce 2.4.6,
- commerce webhooks,
- magento 2.4.4,
- magento 2.4.5,
- magento 2.4.6,
- magento 2.4.7
Exploited in the Wild
- Vendor Advisory (https://helpx.adobe.com/security/products/magento/apsb24-40.html)
- Government or Industry Alert (https://www.cisa.gov/known-exploited-vulnerabilities-catalog)
- Other: CISA Gov Alert (https://www.cisa.gov/news-events/alerts/2024/07/17/cisa-adds-three-known-exploited-vulnerabilities-catalog)
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Exploit
A PoC added here by the AKB Worker must have at least 2 GitHub stars.
Additional Info
Technical Analysis
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CVE ID
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