Important: runc

2021-05-1416:52:00

alas.aws.amazon.com

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%

JSON

Issue Overview:

The runc package is vulnerable to a symlink exchange attack whereby an attacker can request a seemingly innocuous container configuration that results in the host filesystem being bind-mounted into the container. The highest threat from this vulnerability is to data confidentiality and integrity as well as to system availability. (CVE-2021-30465)

Affected Packages:

runc

Issue Correction:
Run yum update runc to update your system.

New Packages:

src:  
    runc-1.0.0-0.3.20210225.git12644e6.4.amzn1.src  
  
x86_64:  
    runc-1.0.0-0.3.20210225.git12644e6.4.amzn1.x86_64  
    runc-debuginfo-1.0.0-0.3.20210225.git12644e6.4.amzn1.x86_64

Additional References

Red Hat: CVE-2021-30465

Mitre: CVE-2021-30465

OSVersionArchitecturePackageVersionFilename
Amazon Linux1x86_64runc< 1.0.0-0.3.20210225.git12644e6.4.amzn1runc-1.0.0-0.3.20210225.git12644e6.4.amzn1.x86_64.rpm
Amazon Linux1x86_64runc-debuginfo< 1.0.0-0.3.20210225.git12644e6.4.amzn1runc-debuginfo-1.0.0-0.3.20210225.git12644e6.4.amzn1.x86_64.rpm

OS	Version	Architecture	Package	Version	Filename
Amazon Linux	1	x86_64	runc	< 1.0.0-0.3.20210225.git12644e6.4.amzn1	runc-1.0.0-0.3.20210225.git12644e6.4.amzn1.x86_64.rpm
Amazon Linux	1	x86_64	runc-debuginfo	< 1.0.0-0.3.20210225.git12644e6.4.amzn1	runc-debuginfo-1.0.0-0.3.20210225.git12644e6.4.amzn1.x86_64.rpm