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The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to a source code disclosure vulnerability. A remote and unauthenticated attacker can obtain PHP source code by sending an HTTP request with an invalid Content-Length field.

CVE-2023-30802 identifies a source code disclosure vulnerability in Sangfor Net-Gen Application Firewall version 8.0.17. The vulnerability arises from improper handling of HTTP requests containing an invalid Content-Length header, which can be exploited remotely without authentication. By sending such crafted HTTP requests, an attacker can retrieve PHP source code files from the firewall, exposing sensitive information such as credentials, configuration details, or proprietary logic embedded within the source. This type of vulnerability is classified under CWE-540, which involves the inclusion of sensitive information in source code that should not be publicly accessible. The flaw does not require user interaction and can be triggered over the network, increasing its risk profile. Although no public exploits have been reported yet, the ease of exploitation and the sensitive nature of the disclosed data make this a significant concern. The vulnerability impacts confidentiality but does not affect the integrity or availability of the firewall. Sangfor has not yet published a patch or mitigation guidance as of the provided data, so affected organizations must monitor for updates and consider interim protective measures. Given the firewall’s role in protecting network traffic, disclosure of its source code can facilitate further targeted attacks or bypass attempts by revealing internal logic and security mechanisms.

Detailed information about CVE-2023-30802: CWE-540: Inclusion of Sensitive Information in Source Code in Sangfor Net-Gen Application Firewall affecting Sangfor 

CVE-2023-30802: CWE-540: Inclusion of Sensitive Information in Source Code in Sangfor Net-Gen Application Firewall - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2023-30802: CWE-540: Inclusion of Sensitive Information in Source Code in Sangfor Net-Gen Application Firewall

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