Red Hat Enterprise Linux 8 update for the container-tools:rhel8 module



Published: 2022-11-14
Risk Medium
Patch available YES
Number of vulnerabilities 6
CVE-ID CVE-2021-36221
CVE-2021-41190
CVE-2022-1708
CVE-2022-2990
CVE-2022-27191
CVE-2022-29162
CWE-ID CWE-362
CWE-843
CWE-400
CWE-863
CWE-327
CWE-264
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Red Hat Enterprise Linux for ARM 64
Operating systems & Components / Operating system

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 for x86_64
Operating systems & Components / Operating system

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains information about 6 vulnerabilities.

1) Race condition

EUVDB-ID: #VU55668

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2021-36221

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

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

The vulnerability exists due to a race condition in net/http/httputil ReverseProxy when handling ErrAbortHandler events. A remote attacker can trigger a race condition and crash the ReverseProxy.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for ARM 64: 8

Red Hat Enterprise Linux for Power, little endian: 8

Red Hat Enterprise Linux for IBM z Systems: 8

Red Hat Enterprise Linux for x86_64: 8.0


CPE2.3 External links

http://access.redhat.com/errata/RHSA-2022:7457

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

2) Type Confusion

EUVDB-ID: #VU58229

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2021-41190

CWE-ID: CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the system.

The vulnerability exists due to a type confusion error. A remote authenticated attacker can pass specially crafted data to the application, trigger a type confusion error and interpret the resulting content differently.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for ARM 64: 8

Red Hat Enterprise Linux for Power, little endian: 8

Red Hat Enterprise Linux for IBM z Systems: 8

Red Hat Enterprise Linux for x86_64: 8.0


CPE2.3 External links

http://access.redhat.com/errata/RHSA-2022:7457

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

3) Resource exhaustion

EUVDB-ID: #VU64008

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2022-1708

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 does not properly control consumption of internal resources within the ExecSync request. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for ARM 64: 8

Red Hat Enterprise Linux for Power, little endian: 8

Red Hat Enterprise Linux for IBM z Systems: 8

Red Hat Enterprise Linux for x86_64: 8.0


CPE2.3 External links

http://access.redhat.com/errata/RHSA-2022:7457

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

4) Incorrect authorization

EUVDB-ID: #VU69291

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2022-2990

CWE-ID: CWE-863 - Incorrect Authorization

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to incorrect handling of the supplementary groups in the Buildah container engine. A local user with direct access to the affected container where supplementary groups are used can set access permissions and execute a binary code in that container.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for ARM 64: 8

Red Hat Enterprise Linux for Power, little endian: 8

Red Hat Enterprise Linux for IBM z Systems: 8

Red Hat Enterprise Linux for x86_64: 8.0


CPE2.3 External links

http://access.redhat.com/errata/RHSA-2022:7457

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

5) Use of a broken or risky cryptographic algorithm

EUVDB-ID: #VU62039

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2022-27191

CWE-ID: CWE-327 - Use of a Broken or Risky Cryptographic Algorithm

Exploit availability: No

Description

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

The vulnerability exists due to an error in golang.org/x/crypto/ssh before 0.0.0-20220314234659-1baeb1ce4c0b, as used in Go programming language. A remote attacker can crash a server in certain circumstances involving AddHostKey.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for ARM 64: 8

Red Hat Enterprise Linux for Power, little endian: 8

Red Hat Enterprise Linux for IBM z Systems: 8

Red Hat Enterprise Linux for x86_64: 8.0


CPE2.3 External links

http://access.redhat.com/errata/RHSA-2022:7457

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

6) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU63090

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2022-29162

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to containers are incorrectly started with non-empty inheritable Linux process capabilities, which leads to security restrictions bypass and privilege escalation.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for ARM 64: 8

Red Hat Enterprise Linux for Power, little endian: 8

Red Hat Enterprise Linux for IBM z Systems: 8

Red Hat Enterprise Linux for x86_64: 8.0


CPE2.3 External links

http://access.redhat.com/errata/RHSA-2022:7457

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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