Red Hat Enterprise Linux 8 update for .NET 5.0



Published: 2021-01-13
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-1723
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Red Hat Enterprise Linux for x86_64
Operating systems & Components / Operating system

dotnet5.0 (Red Hat package)
Operating systems & Components / Operating system package or component

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU49404

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1723

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

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. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for x86_64: 8.0

dotnet5.0 (Red Hat package): before 5.0.102-2.el8_3

External links

http://access.redhat.com/errata/RHSA-2021:0094


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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