#VU11172 Memory corruption in unixODBC - CVE-2018-7485

Vulnerability identifier: #VU11172

Vulnerability risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-7485

CWE-ID: CWE-119

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 on the target system.

The weakness exists in the SQLWriteFileDSN function due to boundary error. A remote attacker can trigger memory corruption and cause the service to crash.

Mitigation
Install update from vendor's website.

Vulnerable software versions

unixODBC: 2.3.5

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External links
https://github.com/lurcher/unixODBC/commit/45ef78e037f578b15fc58938a3a3251655e71d6f#diff-d52750c7ba4...

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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.