Security Advisory

CVE-2017-17562

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2017-12-12 19:00:00

Last updated 2025-10-21 23:45:57

Assigner mitre

State PUBLISHED

Description

Embedthis GoAhead before 3.6.5 allows remote code execution if CGI is enabled and a CGI program is dynamically linked. This is a result of initializing the environment of forked CGI scripts using untrusted HTTP request parameters in the cgiHandler function in cgi.c. When combined with the glibc dynamic linker, this behaviour can be abused for remote code execution using special parameter names such as LD_PRELOAD. An attacker can POST their shared object payload in the body of the request, and reference it using /proc/self/fd/0.

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