Integer overflow in nfdump - CVE-2019-14459
Published: June 25, 2020
Vulnerability identifier: #VU29238
CSH Severity: Medium
CVSS v4: 7.1 [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]
CVE-ID: CVE-2019-14459
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
nfdump
Gentoo Linux
Fedora
nfdump (Alpine package)
nfdump
Gentoo Linux
Fedora
nfdump (Alpine package)
nfdump
How to mitigate CVE-2019-14459
Install updates from vendor's website.
nfdump - update to 1.6.18
nfdump (Alpine package) - update to 1.6.15-r1
nfdump - addressed in versions 1.6.18-1.el7, 1.6.18-1.fc29, 1.6.18-1.fc30
nfdump (Alpine package) - update to 1.6.15-r1
nfdump - addressed in versions 1.6.18-1.el7, 1.6.18-1.fc29, 1.6.18-1.fc30
External References
- 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