ArchLinuxASA-202009-2[ASA-202009-2] ark: arbitrary filesystem access
3.3 Low
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
0.002 Low
EPSS
Percentile
64.6%
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
Related
3.3 Low
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
0.002 Low
EPSS
Percentile
64.6%