Ubuntu.comUB:CVE-2021-31872CVE-2021-31872
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
64.1%
An issue was discovered in klibc before 2.0.9. Multiple possible integer
overflows in the cpio command on 32-bit systems may result in a buffer
overflow or other security impact.
Notes
| Author | Note |
|---|---|
| mdeslaur | only used in initramfs, doesn’t parse untrusted data |
| sbeattie | also, the integer overflow is only on 32bit systems, 64bit platforms should not be affected. |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | klibc | < 2.0.4-9ubuntu2.1 | UNKNOWN |
| ubuntu | 20.04 | noarch | klibc | < 2.0.7-1ubuntu5.1 | UNKNOWN |
| ubuntu | 14.04 | noarch | klibc | < 2.0.3-0ubuntu1.14.04.3+esm2) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
| ubuntu | 16.04 | noarch | klibc | < 2.0.4-8ubuntu1.16.04.4+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
References
Related
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
64.1%