CVE-2018-19519

Published: 25 November 2018

In tcpdump 4.9.2, a stack-based buffer over-read exists in the print_prefix function of print-hncp.c via crafted packet data because of missing initialization.

Priority

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package	Release	Status
tcpdump Launchpad, Ubuntu, Debian	bionic	Released (4.9.3-0ubuntu0.18.04.1)
	disco	Ignored (reached end-of-life)
	eoan	Not vulnerable (4.9.3-2)
	trusty	Released (4.9.3-0ubuntu0.14.04.1+esm1)
	upstream	Released (4.9.3)
	xenial	Released (4.9.3-0ubuntu0.16.04.1)

Severity score breakdown

Parameter	Value
Base score	5.5
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	None
Availability impact	None
Vector	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References

Bugs

https://github.com/the-tcpdump-group/tcpdump/issues/763

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