5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.1 High
AI Score
Confidence
High
0.008 Low
EPSS
Percentile
81.3%
Package : busybox
Version : 1:1.22.0-19+deb9u2
CVE ID : CVE-2021-28831
Debian Bug : 986217
The gunzip decompressor of Busybox, tiny utilities for small and embedded
systems, mishandled the error bit on the huft_build result pointer, with a
resultant invalid free or segmentation fault, via malformed gzip data.
For Debian 9 stretch, this problem has been fixed in version
1:1.22.0-19+deb9u2.
We recommend that you upgrade your busybox packages.
For the detailed security status of busybox please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/busybox
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
Attachment:
signature.asc
Description: This is a digitally signed message part
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 9 | i386 | busybox-udeb | < 1:1.22.0-19+deb9u2 | busybox-udeb_1:1.22.0-19+deb9u2_i386.deb |
Debian | 9 | armel | busybox | < 1:1.22.0-19+deb9u2 | busybox_1:1.22.0-19+deb9u2_armel.deb |
Debian | 9 | amd64 | busybox | < 1:1.22.0-19+deb9u2 | busybox_1:1.22.0-19+deb9u2_amd64.deb |
Debian | 9 | armel | udhcpc | < 1:1.22.0-19+deb9u2 | udhcpc_1:1.22.0-19+deb9u2_armel.deb |
Debian | 9 | armhf | udhcpc | < 1:1.22.0-19+deb9u2 | udhcpc_1:1.22.0-19+deb9u2_armhf.deb |
Debian | 9 | i386 | busybox-static | < 1:1.22.0-19+deb9u2 | busybox-static_1:1.22.0-19+deb9u2_i386.deb |
Debian | 9 | i386 | udhcpc | < 1:1.22.0-19+deb9u2 | udhcpc_1:1.22.0-19+deb9u2_i386.deb |
Debian | 9 | armhf | busybox | < 1:1.22.0-19+deb9u2 | busybox_1:1.22.0-19+deb9u2_armhf.deb |
Debian | 9 | arm64 | busybox | < 1:1.22.0-19+deb9u2 | busybox_1:1.22.0-19+deb9u2_arm64.deb |
Debian | 9 | amd64 | udhcpc | < 1:1.22.0-19+deb9u2 | udhcpc_1:1.22.0-19+deb9u2_amd64.deb |
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.1 High
AI Score
Confidence
High
0.008 Low
EPSS
Percentile
81.3%