Red Hat Enterprise Linux 7 Extras update for buildah



Published: 2020-05-13
Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2020-1702
CVE-2020-10696
CWE-ID CWE-400
CWE-22
Exploitation vector Network
Public exploit N/A
Vulnerable software
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buildah (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) Resource exhaustion

EUVDB-ID: #VU26514

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-1702

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application reads the entire image manifest file into memory. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack by supplying a huge manifest file.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

buildah (Red Hat package): 1.11.6-8.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-2020:2116

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

buildah (Red Hat package): 1.11.6-8.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-2020:2116

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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