Integer overflow in nfdump (Alpine package)

1) Integer overflow

EUVDB-ID: #VU29238

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 - Integer overflow

Exploit availability: No

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 update from vendor's website.

Vulnerable software versions

nfdump (Alpine package): 1.6.15-r0

CPE2.3

• cpe:2.3:a:alpine:nfdump_alpine_package:1.6.15-r0:*:*:*:*:alpine_linux:*:3.5

External links

https://git.alpinelinux.org/aports/commit/?id=b8d192ba4ef5fa005e3a697714f667c79a8c01c2
https://git.alpinelinux.org/aports/commit/?id=603173745d534fef8c500954f09b66dc512fe535
https://git.alpinelinux.org/aports/commit/?id=34eaff89c07f1ff54a178e533eea071a315e1af8
https://git.alpinelinux.org/aports/commit/?id=c754c0cdd91c787de14e9e4e394b26ec51045212
https://git.alpinelinux.org/aports/commit/?id=631934be3ad64469888ffcb78c7c40c4b7d866d0
https://git.alpinelinux.org/aports/commit/?id=8411819c2fbf4b8ede87ccaf2a3ffae0dfcc371f
https://git.alpinelinux.org/aports/commit/?id=b11d34963eb3fed6ee588f008f97f1bc4cd113a7

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.