Bug 1515249 (CVE-2017-15873)

Summary:	CVE-2017-15873 busybox: Integer overflow in the get_next_block function
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	admiller, athmanem, dvlasenk
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:	2019-06-08 03:31:13 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:	1515259
Bug Blocks:

Description Andrej Nemec 2017-11-20 12:43:11 UTC

The get_next_block function in archival/libarchive/decompress_bunzip2.c in BusyBox 1.27.2 has an Integer Overflow that may lead to a write access violation.

Upstream issue:

https://bugs.busybox.net/show_bug.cgi?id=10431

Upstream patch:

https://git.busybox.net/busybox/commit/?id=0402cb32df015d9372578e3db27db47b33d5c7b0

Comment 1 Andrej Nemec 2017-11-20 12:58:55 UTC

Created busybox tracking bugs for this issue:

Affects: fedora-all [bug 1515259]