#VU29238 Integer overflow in nfdump - CVE-2019-14459

Vulnerability identifier: #VU29238

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-2019-14459

CWE-ID: CWE-190

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
nfdump
Other software / Other software solutions

Vendor: phaag (Peter Haag)

Description

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

The vulnerability exists due to integer overflow within the Process_ipfix_template_withdraw() function in ipfix.c. A remote attacker can pass specially crafted data to the application, trigger integer overflow and crash the process.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

nfdump: 1.6.13 - 1.6.17

---

External links
https://github.com/phaag/nfdump/commit/3b006ededaf351f1723aea6c727c9edd1b1fff9b
https://github.com/phaag/nfdump/issues/171
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ULSZMKA7P7REJMANVL7D6WMZ2L7IRSET/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YTONOGJU5FSMFNRCT6OHXYUMDRKH4RPA/
https://security.gentoo.org/glsa/202003-17

---

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.