Bug 1735549 (CVE-2019-1010220)

Summary:	CVE-2019-1010220 tcpdump: buffer over-read in function print_prefix in print-hncp.c
Product:	[Other] Security Response	Reporter:	Dhananjay Arunesh <darunesh>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED DUPLICATE	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	luhliari, mlichvar, mruprich, msehnout, msekleta, scorneli, thozza
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-08-07 10:16:13 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1735550
Bug Blocks:	1735552

Description Dhananjay Arunesh 2019-08-01 05:12:34 UTC

A vulnerability was found in tcpdump.org tcpdump 4.9.2 is affected by: CWE-126: Buffer Over-read. The impact is: May expose Saved Frame Pointer, Return Address etc. on stack. The component is: line 234: "ND_PRINT((ndo, "%s", buf));", in function named "print_prefix", in "print-hncp.c". The attack vector is: The victim must open a specially crafted pcap file.

Reference:
https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9.2/print-hncp.c
https://github.com/the-tcpdump-group/tcpdump/blob/master/print-hncp.c
https://github.com/the-tcpdump-group/tcpdump/commits/master/print-hncp.c

Comment 1 Dhananjay Arunesh 2019-08-01 05:12:50 UTC

Created tcpdump tracking bugs for this issue:

Affects: fedora-all [bug 1735550]

Comment 3 Stefan Cornelius 2019-08-07 10:16:13 UTC


*** This bug has been marked as a duplicate of bug 1655374 ***

Comment 6 Doran Moppert 2020-02-10 04:37:13 UTC

Statement:

This flaw was found to be a duplicate of CVE-2018-19519. Please see https://access.redhat.com/security/cve/CVE-2018-19519 for information about affected products and security errata.