Bug 2266856 (CVE-2023-7207)

Summary:	CVE-2023-7207 cpio: path traversal vulnerability
Product:	[Other] Security Response	Reporter:	Rohit Keshri <rkeshri>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	bdettelb, caswilli, dfreiber, drow, jburrell, kaycoth, omaciel, sidakwo, vkumar
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	cpio 2.14	Doc Type:	---
Doc Text:	A flaw was found in cpio. The fix for CVE-2015-1197 created other issues, and the patch to fix this issue was reverted, causing a regression when the --no-absolute-filenames command line option is used, resulting in a path traversal vulnerability.	Story Points:	---
Clone Of:		Environment:
Last Closed:		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:	2266859
Bug Blocks:	2266853

Description Rohit Keshri 2024-02-29 07:44:52 UTC

Debian's cpio contains a path traversal vulnerability. This issue was introduced by reverting CVE-2015-1197 patches which had caused a regression in --no-absolute-filenames. Upstream has since provided a proper fix to --no-absolute-filenames.

References:
https://www.openwall.com/lists/oss-security/2023/12/21/8
https://www.openwall.com/lists/oss-security/2024/01/05/1

Upstream patch:
https://git.savannah.gnu.org/cgit/cpio.git/commit/?id=376d663340a9dc91c91a5849e5713f07571c1628

Comment 1 Rohit Keshri 2024-02-29 07:46:03 UTC

Created cpio tracking bugs for this issue:

Affects: fedora-all [bug 2266859]