embedthis goahead CVE-2017-17562 in Embedthis and Oracle Products
Published on December 12, 2017

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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.

NVD

Known Exploited Vulnerability

This Embedthis GoAhead Remote Code Execution Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Embedthis GoAhead before 3.6.5 allows remote code execution if CGI is enabled and a CGI program is dynamically linked.

The following remediation steps are recommended / required by June 10, 2022: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2017-17562 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is consided to have a high level of attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
NETWORK
Attack Complexity:
HIGH
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Products Associated with CVE-2017-17562

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Embedthis Goahead
 
Oracle Integrated Lights Out Manager
 

Exploit Probability

EPSS
94.31%
Percentile
99.95%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.