Bug 42894

Summary:	tar: overwrite arbitrary files through crafted files (3.3)
Product:	UCS	Reporter:	Arvid Requate <requate>
Component:	Security updates	Assignee:	UCS maintainers <ucs-maintainers>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	normal
Priority:	P3	Flags:	requate: Patch_Available+
Version:	UCS 3.3
Target Milestone:	---
Hardware:	Other
OS:	Linux
What kind of report is it?:	Security Issue	What type of bug is this?:	---
Who will be affected by this bug?:	---	How will those affected feel about the bug?:	---
User Pain:		Enterprise Customer affected?:
School Customer affected?:		ISV affected?:
Waiting Support:		Flags outvoted (downgraded) after PO Review:
Ticket number:		Bug group (optional):
Max CVSS v3 score:	5.1 (CVSS:2.0/AV:N/AC:H/Au:N/C:P/I:P/A:P)
Bug Depends on:	42893
Bug Blocks:	42895

Description Arvid Requate

2016-11-08 19:38:51 CET

+++ This bug was initially created as a clone of Bug #42893 +++

Upstream Debian package version 1.26+dfsg-0.1+deb7u1 fixes:

* A vulnerability has been discovered in the tar package that could allow an attacker to overwrite arbitrary files through crafted files (CVE-2016-6321)

Comment 1 Stefan Gohmann

2019-01-03 07:11:08 CET

This issue has been filled against UCS 3.3. The maintenance with bug and security fixes for UCS 3.3 has ended on 31st of December 2016.

Customers still on UCS 3.3 are encouraged to update to UCS 4.3. Please contact
your partner or Univention for any questions.

If this issue still occurs in newer UCS versions, please use "Clone this bug" or simply reopen the issue. In this case please provide detailed information on how this issue is affecting you.