Opened 6 months ago

Closed 6 months ago

Last modified 5 months ago

#4813 closed task (fixed)

tar-1.34

Reported by: Bruce Dubbs Owned by: lfs-book
Priority: high Milestone: 10.1
Component: Book Version: SVN
Severity: normal Keywords:
Cc:

Description

New minor version.

Change History (3)

comment:1 by Bruce Dubbs, 6 months ago

This is to inform you that GNU tar version 1.34 is available for download. This release includes the following bugfixes:

  • Fix extraction over pipe
  • Fix memory leak in read_header
  • Fix extraction when . and .. are unreadable
  • Gracefully handle duplicate symlinks when extracting
  • Re-initialize supplementary groups when switching to user privileges

comment:2 by Bruce Dubbs, 6 months ago

Resolution: fixed
Status: newclosed

Fixed at revision 12134.

comment:3 by Douglas R. Reno, 5 months ago

Priority: normalhigh

Retroactively promote due to CVE-2021-20193


Arch Linux Security Advisory ASA-202102-41
==========================================

Severity: Low
Date    : 2021-02-27
CVE-ID  : CVE-2021-20193
Package : tar
Type    : denial of service
Remote  : No
Link    : https://security.archlinux.org/AVG-1462

Summary
=======

The package tar before version 1.34-1 is vulnerable to denial of
service.

Resolution
==========

Upgrade to 1.34-1.

# pacman -Syu "tar>=1.34-1"

The problem has been fixed upstream in version 1.34.

Workaround
==========

None.

Description
===========

An issue was discovered in GNU Tar before version 1.34. There is a
memory leak in read_header() in list.c in the tar application.

Impact
======

A crafted tar archive can crash the application.

References
==========

https://bugzilla.redhat.com/show_bug.cgi?id=1917565
https://savannah.gnu.org/bugs/?59897
https://git.savannah.gnu.org/cgit/tar.git/commit/?id=d9d4435692150fa8ff68e1b1a473d187cc3fd777
https://security.archlinux.org/CVE-2021-20193
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