Title: Surfboard httpd Remote Buffer Overflow Vulnerability
Severity: HIGH
Description:
Surfboard is a freely available web server implementation for Unix/Linux variants.
A vulnerability has been identified in Surfboard web server when handling certain URL requests. Because of this, it may be possible for a remote attacker to gain unauthorized access to a system running the vulnerable software. The condition is present due to insufficient boundary checking.
The issue presents itself when an attacker sends a specially crafted URL request with more than 1024 characters to the server daemon. Immediate consequences of an attack may result in a denial of service condition.
An attacker may leverage the issue by exploiting an unbounded memory copy operation to overwrite the saved return address/base pointer, causing an affected procedure to return to an address of their choice. Successful exploitation of this issue may allow an attacker to execute arbitrary code in the context of the vulnerable software in order to gain unauthorized access, however, this has not been confirmed at the moment.
Surfboard version 1.1.9 has been reported to be prone to this issue, however, other versions may be affected as well.
Affected Products:
- Surfboard Surfboard httpd 1.1.9
References:
- SecurityTracker: Surfboard httpd Buffer Overflow May Allow a Remote User to Execute Arbitrary Cod
- Surfboard: Surfboard Homepage
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