#VU11274 Buffer overflow in unixODBC - CVE-2018-7409

Vulnerability identifier: #VU11274

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-7409

CWE-ID: CWE-120

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
unixODBC
Server applications / Frameworks for developing and running applications

Vendor: unixODBC

Description
The vulnerability allows a remote unauthenticated attacker to cause DoS condition or execute arbitrary code on the target system.

The weakness exists in the unicode_to_ansi_copy() function due to buffer overflow. A remote attacker can send specially crafted input, cause the service to crash or execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation
Update to version 2.3.5.

Vulnerable software versions

unixODBC: 2.2.10 - 2.3.4

---

External links
https://www.unixodbc.org/

---

Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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