GNU Serveez up to 0.2.2 /cgi-bin/reader http_cgi_write HTTP POST Request information disclosure

Summaryinfo

A vulnerability identified as critical has been detected in GNU Serveez up to 0.2.2. This impacts the function http_cgi_write of the file /cgi-bin/reader. Performing a manipulation as part of HTTP POST Request results in information disclosure. This vulnerability is identified as CVE-2019-16200. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in GNU Serveez up to 0.2.2. This affects the function http_cgi_write of the file /cgi-bin/reader. The manipulation as part of a HTTP POST Request leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

GNU Serveez through 0.2.2 has an Information Leak. An attacker may send an HTTP POST request to the /cgi-bin/reader URI. The attacker must include a Content-length header with a large positive value that, when represented in 32 bit binary, evaluates to a negative number. The problem exists in the http_cgi_write function under http-cgi.c; however, exploitation might show svz_envblock_add in libserveez/passthrough.c as the location of the heap-based buffer over-read.

The weakness was released 11/20/2019. This vulnerability is uniquely identified as CVE-2019-16200 since 09/09/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• GNU

Name

• Serveez

Version

• 0.2.0
• 0.2.1
• 0.2.2

License

• open-source

Website

• Vendor: https://www.gnu.org/

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CPE 2.2info

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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