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CVE-2017-17562 - Embedthis GoAhead

AI Vulnerability Context

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...

Overview

A source-backed snapshot of this vulnerability.

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.

CISA KEVyesWhether CISA lists this as exploited.
Techniques0AI attack methods connected to this vulnerability.
Case studies0Examples where this vulnerability is mentioned.

Vulnerability status

How serious this vulnerability is and whether it is known to be exploited.

CISA KEVHIGH
CVE ID
CVE-2017-17562
Vendor/project
Embedthis
Product
GoAhead
Vulnerability name
Embedthis GoAhead Remote Code Execution Vulnerability
Date added
2021-12-10
Due date
2022-06-10
Known ransomware campaign use
Unknown
CVSS v3
8.1
CWE-20

Exploit context

What the vulnerability is about.

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.

Related AI techniques

AI attack methods connected to this vulnerability.

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No related AI attack methods. No AI attack method is connected to this vulnerability in the current data.

Related case studies

Examples where this vulnerability is mentioned.

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No related case studies. No case study currently mentions this vulnerability.

Source evidence

Original public records and references for this page.

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Original source

Original source links

Open the public records and source datasets used for this page.

NVD CVE pagehttps://nvd.nist.gov/vuln/detail/CVE-2017-17562CVE API docshttps://nvd.nist.gov/developers/vulnerabilitiesData feedshttps://nvd.nist.gov/vuln/data-feedsCataloghttps://www.cisa.gov/known-exploited-vulnerabilities-catalogData repositoryhttps://github.com/cisagov/kev-dataaf854a3a-2127-422b-91ae-364da2661108http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.htmlaf854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1040702af854a3a-2127-422b-91ae-364da2661108https://github.com/elttam/advisories/tree/master/CVE-2017-17562af854a3a-2127-422b-91ae-364da2661108https://github.com/embedthis/goahead/commit/6f786c123196eb622625a920d54048629a7caa74af854a3a-2127-422b-91ae-364da2661108https://github.com/embedthis/goahead/issues/249af854a3a-2127-422b-91ae-364da2661108https://www.elttam.com.au/blog/goahead/af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/43360/af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/43877/134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-17562