Heap-based buffer overflow in EmbedThis GoAhead

1) Heap-based buffer overflow

EUVDB-ID: #VU40857

Risk: Medium

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:F/RL:U/RC:C]

CVE-ID: CVE-2014-9707

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in EmbedThis GoAhead 3.0.0 through 3.4.1 does not properly handle path segments starting with a . (dot), which. A remote attacker can use a crafted URI. to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

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

Vulnerable software versions

GoAhead: 3.0.0 - 3.4.0

External links

http://packetstormsecurity.com/files/131156/GoAhead-3.4.1-Heap-Overflow-Traversal.html
http://seclists.org/fulldisclosure/2015/Mar/157
http://www.securityfocus.com/archive/1/535027/100/0/threaded
http://www.securitytracker.com/id/1032208
http://github.com/embedthis/goahead/commit/eed4a7d177bf94a54c7b06ccce88507fbd76fb77
http://github.com/embedthis/goahead/issues/106

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. However, a fully functional exploit for this vulnerability is available.