SUSE update for go1.16



Published: 2021-03-24
Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2021-27918
CVE-2021-27919
CWE-ID CWE-835
CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
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SUSE Linux Enterprise Module for Development Tools
Operating systems & Components / Operating system

go1.16-race
Operating systems & Components / Operating system package or component

go1.16-doc
Operating systems & Components / Operating system package or component

go1.16
Operating systems & Components / Operating system package or component

Vendor SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Infinite loop

EUVDB-ID: #VU51486

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2021-27918

CWE-ID:

Exploit availability:

Description

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

The vulnerability exists due to infinite loop when using xml.NewTokenDecoder with a custom TokenReader. A remote attacker can trick a victim to open a specially crafted XML content and cause denial of service conditions.

Mitigation

Update the affected package go1.16 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Module for Development Tools: 15-SP2

go1.16-race: before 1.16.2-1.8.1

go1.16-doc: before 1.16.2-1.8.1

go1.16: before 1.16.2-1.8.1

Fixed software versions

CPE2.3 External links

http://www.suse.com/support/update/announcement/2021/suse-su-20210937-1/


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

2) Input validation error

EUVDB-ID: #VU51485

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2021-27919

CWE-ID:

Exploit availability:

Description

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

The vulnerability exists due to insufficient validation of user-supplied input in the Reader.Open API when use a ZIP archive containing files start with “../”. A remote attacker can trick a victim to open a specially crafted ZIP archive and perform a denial of service (DoS) attack.

Mitigation

Update the affected package go1.16 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Module for Development Tools: 15-SP2

go1.16-race: before 1.16.2-1.8.1

go1.16-doc: before 1.16.2-1.8.1

go1.16: before 1.16.2-1.8.1

Fixed software versions

CPE2.3 External links

http://www.suse.com/support/update/announcement/2021/suse-su-20210937-1/


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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