#VU40525 Input validation error in Firebird - CVE-2016-1569

Vulnerability identifier: #VU40525

Vulnerability risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2016-1569

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Firebird
Other software / Other software solutions

Vendor: firebird.sourceforge.net

Description

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

FireBird 2.5.5 allows remote authenticated users to cause a denial of service (daemon crash) by using service manager to invoke the gbak utility with an invalid parameter.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Firebird: 2.5.5

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External links
https://lists.fedoraproject.org/pipermail/package-announce/2016-February/177119.html
https://sourceforge.net/p/firebird/code/62783/
https://tracker.firebirdsql.org/browse/CORE-5068
https://www.openwall.com/lists/oss-security/2016/01/10/2
https://www.openwall.com/lists/oss-security/2016/01/10/3

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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