Vulnerability Details : CVE-2020-24654
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.
Products affected by CVE-2020-24654
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:a:kde:ark:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-24654
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 42 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-24654
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
3.3
|
LOW | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
1.8
|
1.4
|
NIST |
CWE ids for CVE-2020-24654
-
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-24654
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LXMMXNJDYOCJRZTESIUGHG6CS4RJKECX/
[SECURITY] Fedora 32 Update: ark-20.04.3-5.fc32 - package-announce - Fedora Mailing-ListsThird Party Advisory
-
https://kde.org/info/security/advisory-20200827-1.txt
Vendor Advisory
-
https://security.gentoo.org/glsa/202010-06
Ark: Arbitrary code execution (GLSA 202010-06) — Gentoo securityThird Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00001.html
[security-announce] openSUSE-SU-2020:1310-1: moderate: Security update fMailing List;Third Party Advisory
-
https://usn.ubuntu.com/4482-1/
USN-4482-1: Ark vulnerability | Ubuntu security notices | UbuntuThird Party Advisory
-
https://github.com/KDE/ark/commit/8bf8c5ef07b0ac5e914d752681e470dea403a5bd
Pass the ARCHIVE_EXTRACT_SECURE_SYMLINKS flag to libarchive · KDE/ark@8bf8c5e · GitHubPatch;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2022/05/msg00026.html
[SECURITY] [DLA 3015-1] ark security updateMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YJOZ6YRNPZX5MJGVBMOCOA7N6Z4EU2OK/
[SECURITY] Fedora 33 Update: ark-20.04.3-5.fc33 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://security.gentoo.org/glsa/202101-06
Ark: Symlink vulnerability (GLSA 202101-06) — Gentoo securityThird Party Advisory
-
https://www.debian.org/security/2020/dsa-4759
Debian -- Security Information -- DSA-4759-1 arkThird Party Advisory
-
https://bugzilla.suse.com/show_bug.cgi?id=1175857
Bug 1175857 – VUL-0: CVE-2020-24654: ark: maliciously crafted TAR archive can install files outside the extraction directoryIssue Tracking;Third Party Advisory
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