J-Security Center

Title: ADA IMGSVR GET Request Buffer Overflow Vulnerability

Severity: HIGH

Description:

ImgSvr is a server that allows remote users to browse and share image files. It is freely available under the GNU Public License for Linux and Microsoft Windows.

A vulnerability has been reported in ImgSvr that may allow a remote attacker to corrupt local process memory, potentially leading to arbitrary code execution. This issue is due to a failure of the application to properly validate the size of user supplied HTTP requests.

The problem presents itself when an HTTP GET request containing an excessively long string is submitted to the application. It is reported that a GET request of approximately 2112 bytes is sufficient to trigger this issue.

Successful exploitation would immediately produce a denial of service condition in the affected process. This issue may also be leveraged to execute code on the affected system within the security context of the user running the vulnerable process.

Affected Products:

  • ADA ImgSvr 0.4.0

References:

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