Buffer overflow in nfdump (Alpine package)

1) Buffer overflow

EUVDB-ID: #VU29239

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-1010057

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing dump files in nfx.c, nffile_inline.c, and minilzo.c files. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

nfdump (Alpine package): 1.6.15-r0

CPE2.3

• cpe:2.3:o: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=34eaff89c07f1ff54a178e533eea071a315e1af8
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 non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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