Your message dated Thu, 09 Sep 2021 16:19:29 +0000
with message-id <[email protected]>
and subject line Bug#993981: fixed in node-tar 6.1.11+~cs11.3.10-1
has caused the Debian Bug report #993981,
regarding node-tar: CVE-2021-37712
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
993981: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993981
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Source: node-tar
Version: 6.1.7+~cs11.3.10-1
Severity: important
Tags: security upstream
X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi,
The following vulnerability was published for node-tar.
CVE-2021-37712[0]:
| The npm package "tar" (aka node-tar) before versions 4.4.18, 5.0.10,
| and 6.1.9 has an arbitrary file creation/overwrite and arbitrary code
| execution vulnerability. node-tar aims to guarantee that any file
| whose location would be modified by a symbolic link is not extracted.
| This is, in part, achieved by ensuring that extracted directories are
| not symlinks. Additionally, in order to prevent unnecessary stat calls
| to determine whether a given path is a directory, paths are cached
| when directories are created. This logic was insufficient when
| extracting tar files that contained both a directory and a symlink
| with names containing unicode values that normalized to the same
| value. Additionally, on Windows systems, long path portions would
| resolve to the same file system entities as their 8.3 "short path"
| counterparts. A specially crafted tar archive could thus include a
| directory with one form of the path, followed by a symbolic link with
| a different string that resolves to the same file system entity,
| followed by a file using the first form. By first creating a
| directory, and then replacing that directory with a symlink that had a
| different apparent name that resolved to the same entry in the
| filesystem, it was thus possible to bypass node-tar symlink checks on
| directories, essentially allowing an untrusted tar file to symlink
| into an arbitrary location and subsequently extracting arbitrary files
| into that location, thus allowing arbitrary file creation and
| overwrite. These issues were addressed in releases 4.4.18, 5.0.10 and
| 6.1.9. The v3 branch of node-tar has been deprecated and did not
| receive patches for these issues. If you are still using a v3 release
| we recommend you update to a more recent version of node-tar. If this
| is not possible, a workaround is available in the referenced GHSA-
| qq89-hq3f-393p.
If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.
For further information see:
[0] https://security-tracker.debian.org/tracker/CVE-2021-37712
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-37712
[1] https://github.com/npm/node-tar/security/advisories/GHSA-qq89-hq3f-393p
Please adjust the affected versions in the BTS as needed.
Regards,
Salvatore
--- End Message ---
--- Begin Message ---
Source: node-tar
Source-Version: 6.1.11+~cs11.3.10-1
Done: Yadd <[email protected]>
We believe that the bug you reported is fixed in the latest version of
node-tar, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Yadd <[email protected]> (supplier of updated node-tar package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Thu, 09 Sep 2021 17:59:33 +0200
Source: node-tar
Architecture: source
Version: 6.1.11+~cs11.3.10-1
Distribution: unstable
Urgency: medium
Maintainer: Debian Javascript Maintainers
<[email protected]>
Changed-By: Yadd <[email protected]>
Closes: 993981
Changes:
node-tar (6.1.11+~cs11.3.10-1) unstable; urgency=medium
.
* Team upload
* Declare compliance with policy 4.6.0
* New upstream version 6.1.11+~cs11.3.10 (Closes: #993981, CVE-2021-37712)
* Update excluded tests (need tap ≥ 14)
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