Bug 1835342 (CVE-2020-12740)

Summary:	CVE-2020-12740 tcpreplay: Heap-based buffer over-read in function get_ipv6_next() at common/get.c
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	bojan
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:	2020-05-13 16:31:51 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:	1835343
Bug Blocks:

Description Pedro Sampaio 2020-05-13 16:24:35 UTC

tcprewrite in Tcpreplay through 4.3.2 has a heap-based buffer over-read during a get_c operation. The issue is being triggered in the function get_ipv6_next() at common/get.c.

Upstream issue:

https://github.com/appneta/tcpreplay/issues/576

Comment 1 Pedro Sampaio 2020-05-13 16:24:59 UTC

Created tcpreplay tracking bugs for this issue:

Affects: fedora-all [bug 1835343]

Comment 2 Product Security DevOps Team 2020-05-13 16:31:51 UTC

This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.