8.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:P/A:P
0.007 Low
EPSS
Percentile
80.7%
Debian LTS Advisory DLA-2752-1 [email protected]
https://www.debian.org/lts/security/ Thorsten Alteholz
August 31, 2021 https://wiki.debian.org/LTS
Package : squashfs-tools
Version : 1:4.3-3+deb9u2
CVE ID : CVE-2021-40153
An issue has been found in squashfs-tools, a tool to create and append to
squashfs filesystems.
As unsquashfs did not validate all filepaths, it would allow writing
outside of the original destination.
For Debian 9 stretch, this problem has been fixed in version
1:4.3-3+deb9u2.
We recommend that you upgrade your squashfs-tools packages.
For the detailed security status of squashfs-tools please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/squashfs-tools
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 9 | all | squashfs-tools | <Â 1:4.3-3+deb9u2 | squashfs-tools_1:4.3-3+deb9u2_all.deb |
8.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:P/A:P
0.007 Low
EPSS
Percentile
80.7%