Stack-based buffer overflow in IBM Informix Dynamic Server

1) Stack-based buffer overflow

EUVDB-ID: #VU43480

Risk: Medium

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2012-3334

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error when processing crafted arguments in a SET COLLATION statement. A remote unauthenticated attacker can trigger stack-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

Informix Dynamic Server: 11.50.xc1 - 11.70.xc4

CPE2.3

• cpe:2.3:a:ibm_corporation:informix_dynamic_server:11.50.xc1:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:informix_dynamic_server:11.50.xc2:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:informix_dynamic_server:11.50.xc3w1:*:*:*:*:*:*:*

External links

https://osvdb.org/85736
https://www.ibm.com/support/docview.wss?uid=swg21611800
https://www.securityfocus.com/bid/55668
https://exchange.xforce.ibmcloud.com/vulnerabilities/78277

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user 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.