Ubuntu.comUB:CVE-2021-30465CVE-2021-30465
8.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
6 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:S/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
58.2%
runc before 1.0.0-rc95 allows a Container Filesystem Breakout via Directory
Traversal. To exploit the vulnerability, an attacker must be able to create
multiple containers with a fairly specific mount configuration. The problem
occurs via a symlink-exchange attack that relies on a race condition.
Notes
| Author | Note |
|---|---|
| mdeslaur | 1.0.0-rc94 is also affected |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | runc | < 1.0.0~rc93-0ubuntu1~18.04.2 | UNKNOWN |
| ubuntu | 20.04 | noarch | runc | < 1.0.0~rc93-0ubuntu1~20.04.2 | UNKNOWN |
| ubuntu | 20.10 | noarch | runc | < 1.0.0~rc93-0ubuntu1~20.10.2 | UNKNOWN |
| ubuntu | 21.04 | noarch | runc | < 1.0.0~rc93-0ubuntu1.1 | UNKNOWN |
| ubuntu | 21.10 | noarch | runc | < 1.0.0~rc93-0ubuntu2 | UNKNOWN |
| ubuntu | 22.04 | noarch | runc | < 1.0.0~rc93-0ubuntu2 | UNKNOWN |
| ubuntu | 16.04 | noarch | runc | < 1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.4+esm2 | UNKNOWN |
Related
8.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
6 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:S/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
58.2%