Ubuntu update for dotnet9

Published: 2024-11-13

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2024-43498 CVE-2024-43499
CWE-ID	CWE-843 CWE-606
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Ubuntu Operating systems & Components / Operating system dotnet9 (Ubuntu package) Operating systems & Components / Operating system package or component dotnet-sdk-aot-9.0 (Ubuntu package) Operating systems & Components / Operating system package or component dotnet-sdk-9.0 (Ubuntu package) Operating systems & Components / Operating system package or component dotnet-runtime-9.0 (Ubuntu package) Operating systems & Components / Operating system package or component dotnet-hostfxr-9.0 (Ubuntu package) Operating systems & Components / Operating system package or component dotnet-host-9.0 (Ubuntu package) Operating systems & Components / Operating system package or component aspnetcore-runtime-9.0 (Ubuntu package) Operating systems & Components / Operating system package or component
Vendor	Canonical Ltd.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Type Confusion

EUVDB-ID: #VU100396

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-43498

CWE-ID: CWE-843 - Type confusion

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a type confusion error in .NET and Visual Studio. A remote attacker can pass specially crafted request to the application, trigger a type confusion error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected package dotnet9 to the latest version.

Vulnerable software versions

Ubuntu: 24.10

dotnet9 (Ubuntu package): before 9.0.100-9.0.0-0ubuntu1~24.10.1

dotnet-sdk-aot-9.0 (Ubuntu package): before 9.0.100-rtm-0ubuntu1~24.10.1

dotnet-sdk-9.0 (Ubuntu package): before 9.0.100-rtm-0ubuntu1~24.10.1

dotnet-runtime-9.0 (Ubuntu package): before 9.0.0-rtm-0ubuntu1~24.10.1

dotnet-hostfxr-9.0 (Ubuntu package): before 9.0.0-rtm-0ubuntu1~24.10.1

dotnet-host-9.0 (Ubuntu package): before 9.0.0-rtm-0ubuntu1~24.10.1

aspnetcore-runtime-9.0 (Ubuntu package): before 9.0.0-rtm-0ubuntu1~24.10.1

CPE2.3

External links

https://ubuntu.com/security/notices/USN-7105-1

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.

2) Unchecked Input for Loop Condition

EUVDB-ID: #VU100397

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-43499

CWE-ID: CWE-606 - Unchecked Input for Loop Condition