Arch Linux update for runc



Published: 2021-05-25
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2021-30465
CWE ID CWE-254
Exploitation vector Local network
Public exploit N/A
Vulnerable software
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Arch Linux
Operating systems & Components / Operating system

Vendor Arch Linux

Security Advisory

This security advisory describes one low risk vulnerability.

1) Security features bypass

Risk: Low

CVSSv3.1: 6.6 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2021-30465

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the security features bypass issue. A remote authenticated attacker on the local network can perform a symlink exchange attack and host filesystem being bind-mounted into the container.

Mitigation

Update the affected package runc to version 1.0.0rc95-1.

Vulnerable software versions

Arch Linux: All versions

CPE External links

https://security.archlinux.org/advisory/ASA-202105-17

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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