Arch Linux Security Advisory ASA-202009-2
========================================
Severity: High
Date    : 2020-09-03
CVE-ID  : CVE-2020-24654
Package : ark
Type    : arbitrary filesystem access
Remote  : No
Link    : https://security.archlinux.org/AVG-1216

Summary
======
The package ark before version 20.08.0-2 is vulnerable to arbitrary
filesystem access.

Resolution
=========
Upgrade to 20.08.0-2.

# pacman -Syu "ark>=20.08.0-2"

The problem has been fixed upstream but no release is available yet.

Workaround
=========
None.

Description
==========
In KDE Ark before 20.08.1, a crafted TAR archive with symlinks can
install files outside the extraction directory, as demonstrated by a
write operation to a user's home directory.

Impact
=====
An attacker can overwrite local files by tricking a legitimate user
into extracting a specially crafted TAR archive.

References
=========
https://kde.org/info/security/advisory-20200827-1.txt
https://invent.kde.org/utilities/ark/-/commit/8bf8c5ef07b0ac5e914d752681e470dea403a5bd
https://security.archlinux.org/CVE-2020-24654

ArchLinux: 202009-2: ark: arbitrary filesystem access

September 9, 2020

Summary

In KDE Ark before 20.08.1, a crafted TAR archive with symlinks can install files outside the extraction directory, as demonstrated by a write operation to a user's home directory.

Resolution

Upgrade to 20.08.0-2. # pacman -Syu "ark>=20.08.0-2"
The problem has been fixed upstream but no release is available yet.

References

https://kde.org/info/security/advisory-20200827-1.txt https://invent.kde.org/utilities/ark/-/commit/8bf8c5ef07b0ac5e914d752681e470dea403a5bd https://security.archlinux.org/CVE-2020-24654

Severity
Package : ark
Type : arbitrary filesystem access
Remote : No
Link : https://security.archlinux.org/AVG-1216

Workaround

None.

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