Vulnerability Monitor

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CVE-2017-17562

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.

Published

2017-12-12T19:29:00.207

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 8.1 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	embedthis	goahead	< 3.6.5	Yes
Application	oracle	integrated_lights_out_manager	3.0	Yes
Application	oracle	integrated_lights_out_manager	4.0	Yes

References

http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html Patch, Third Party Advisory ([email protected])
http://www.securitytracker.com/id/1040702 Broken Link, Third Party Advisory, VDB Entry ([email protected])
https://github.com/elttam/advisories/tree/master/CVE-2017-17562 Broken Link, Third Party Advisory ([email protected])
https://github.com/embedthis/goahead/commit/6f786c123196eb622625a920d54048629a7caa74 Broken Link, Patch, Third Party Advisory ([email protected])
https://github.com/embedthis/goahead/issues/249 Broken Link, Issue Tracking, Third Party Advisory ([email protected])
https://www.elttam.com.au/blog/goahead/ Broken Link, Exploit, Patch, Third Party Advisory ([email protected])
https://www.exploit-db.com/exploits/43360/ Exploit, Third Party Advisory, VDB Entry ([email protected])
https://www.exploit-db.com/exploits/43877/ Exploit, Third Party Advisory, VDB Entry ([email protected])
http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1040702 Broken Link, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/elttam/advisories/tree/master/CVE-2017-17562 Broken Link, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/embedthis/goahead/commit/6f786c123196eb622625a920d54048629a7caa74 Broken Link, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/embedthis/goahead/issues/249 Broken Link, Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.elttam.com.au/blog/goahead/ Broken Link, Exploit, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.exploit-db.com/exploits/43360/ Exploit, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://www.exploit-db.com/exploits/43877/ Exploit, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)