NULL pointer dereference in EmbedThis GoAhead

1) NULL pointer dereference

EUVDB-ID: #VU37712

Risk: High

CVSSv3.1: 9 [AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2017-1000471

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the CGI handler resulting in memory corruption or denial of service. A remote attacker can perform a denial of service (DoS) attack.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

GoAhead: 4.0.0

External links

http://github.com/embedthis/goahead/commit/5e6be61e42448f503e75e287dc332b1ecbf2a665#diff-7c9c60c790648b06210f57b9e2f53ca7
http://github.com/embedthis/goahead/pull/258

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.