Red Hat Enterprise Linux 7 Extras update for podman



Published: 2020-05-13
Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2020-8945
CVE-2020-10696
CWE-ID CWE-416
CWE-22
Exploitation vector Network
Public exploit N/A
Vulnerable software
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podman (Red Hat package)
Operating systems & Components / Operating system package or component

Red Hat Enterprise Linux for Power, little endian
Operating systems & Components / Operating system

Red Hat Enterprise Linux for IBM z Systems
Operating systems & Components / Operating system

Red Hat Enterprise Linux Workstation
Operating systems & Components / Operating system

Red Hat Enterprise Linux Server
Operating systems & Components / Operating system

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU25501

Risk: High

CVSSv3.1:

CVE-ID: CVE-2020-8945

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error, as demonstrated by use for container image pulls by Docker or CRI-O. A remote attacker can crash the target system, or cause potential code execution for Go applications that use this library under certain conditions during GPG signature verification.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

podman (Red Hat package): 1.6.4-16.el7_8

Red Hat Enterprise Linux for Power, little endian: 7

Red Hat Enterprise Linux for IBM z Systems: 7

Red Hat Enterprise Linux Workstation: 7

Red Hat Enterprise Linux Server: 7


CPE2.3 External links

http://access.redhat.com/errata/RHSA-2020:2117

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

2) Path traversal

EUVDB-ID: #VU26643

Risk: High

CVSSv3.1:

CVE-ID: CVE-2020-10696

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can trick a victim to build a malicious container image hosted on an HTTP(s) server and then write files to the user's system anywhere that the user has permissions.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

podman (Red Hat package): 1.6.4-16.el7_8

Red Hat Enterprise Linux for Power, little endian: 7

Red Hat Enterprise Linux for IBM z Systems: 7

Red Hat Enterprise Linux Workstation: 7

Red Hat Enterprise Linux Server: 7


CPE2.3 External links

http://access.redhat.com/errata/RHSA-2020:2117

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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