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cve[email protected]CVE-2021-30465
HistoryMay 27, 2021 - 1:15 p.m.

CVE-2021-30465

2021-05-2713:15:08
CWE-362
[email protected]
web.nvd.nist.gov
433
22
cve-2021-30465
runc
security vulnerability
filesystem breakout
directory traversal
symlink-exchange attack
race condition
nvd

6 Medium

CVSS2

Attack Vector

NETWORK

Attack 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

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

8.2 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

58.9%

JSON

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.

Affected configurations

NVD
Node
linuxfoundationruncRange≤0.1.1
OR
linuxfoundationruncMatch1.0.0rc1
OR
linuxfoundationruncMatch1.0.0rc10
OR
linuxfoundationruncMatch1.0.0rc2
OR
linuxfoundationruncMatch1.0.0rc3
OR
linuxfoundationruncMatch1.0.0rc4
OR
linuxfoundationruncMatch1.0.0rc5
OR
linuxfoundationruncMatch1.0.0rc6
OR
linuxfoundationruncMatch1.0.0rc7
OR
linuxfoundationruncMatch1.0.0rc8
OR
linuxfoundationruncMatch1.0.0rc9
OR
linuxfoundationruncMatch1.0.0rc90
OR
linuxfoundationruncMatch1.0.0rc91
OR
linuxfoundationruncMatch1.0.0rc92
OR
linuxfoundationruncMatch1.0.0rc93
OR
linuxfoundationruncMatch1.0.0rc94
Node
fedoraprojectfedoraMatch33
OR
fedoraprojectfedoraMatch34

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6 Medium

CVSS2

Attack Vector

NETWORK

Attack 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

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

8.2 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

58.9%

JSON
Related for CVE-2021-30465
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