Red Hat OpenShift Virtualization update for golang



Published: 2021-11-05
Risk Medium
Patch available YES
Number of vulnerabilities 4
CVE-ID CVE-2021-31525
CVE-2020-15586
CVE-2020-16845
CVE-2021-3114
CWE-ID CWE-674
CWE-362
CWE-835
CWE-682
Exploitation vector Network
Public exploit N/A
Vulnerable software
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OpenShift Virtualization
Server applications / Virtualization software

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

1) Uncontrolled Recursion

EUVDB-ID: #VU54910

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2021-31525

CWE-ID: CWE-674 - Uncontrolled Recursion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a DoS attack.

The vulnerability exists due to uncontrolled recursion when processing HTTP headers. A remote attacker can send a large header to ReadRequest or ReadResponse and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

OpenShift Virtualization: before 4.9.0


CPE2.3
External links

http://access.redhat.com/errata/RHSA-2021:4103

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

2) Race condition

EUVDB-ID: #VU31891

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-15586

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 some net/http servers, as demonstrated by the httputil.ReverseProxy Handler. A remote attacker can exploit the race and cause a denial of service condition on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

OpenShift Virtualization: before 4.9.0


CPE2.3
External links

http://access.redhat.com/errata/RHSA-2021:4103

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

3) Infinite loop

EUVDB-ID: #VU45699

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-16845

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

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

The vulnerability exists due to infinite loop in "ReadUvarint" and "ReadVarint" in "encoding/binary". A remote attacker can consume all available system resources and cause denial of service conditions.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

OpenShift Virtualization: before 4.9.0


CPE2.3
External links

http://access.redhat.com/errata/RHSA-2021:4103

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

4) Incorrect calculation

EUVDB-ID: #VU50047

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2021-3114

CWE-ID: CWE-682 - Incorrect Calculation

Exploit availability: No

Description

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

The vulnerability exists due to incorrect calculation performed by the application in "crypto/elliptic/p224.go". A remote attacker can generate incorrect outputs, related to an underflow of the lowest limb during the final complete reduction in the P-224 field.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

OpenShift Virtualization: before 4.9.0


CPE2.3
External links

http://access.redhat.com/errata/RHSA-2021:4103

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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