Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU78213
Risk: High
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-33170
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to a race condition in the ASP.NET and Visual Studio. A remote attacker can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.
MitigationUpdate the affected package dotnet6 to the latest version.
Vulnerable software versionsUbuntu: 22.04 - 23.04
dotnet-host-7.0 (Ubuntu package): before 7.0.109-0ubuntu1~23.04.1
dotnet-runtime-6.0 (Ubuntu package): before 6.0.120-0ubuntu1~23.04.1
dotnet-runtime-7.0 (Ubuntu package): before 7.0.109-0ubuntu1~23.04.1
dotnet7 (Ubuntu package): before 7.0.109-0ubuntu1~23.04.1
dotnet6 (Ubuntu package): before 6.0.120-0ubuntu1~23.04.1
dotnet-sdk-7.0 (Ubuntu package): before 7.0.109-0ubuntu1~23.04.1
dotnet-sdk-6.0 (Ubuntu package): before 6.0.120-0ubuntu1~23.04.1
aspnetcore-runtime-7.0 (Ubuntu package): before 7.0.109-0ubuntu1~23.04.1
dotnet-host (Ubuntu package): before 6.0.120-0ubuntu1~23.04.1
dotnet-hostfxr-6.0 (Ubuntu package): before 6.0.120-0ubuntu1~23.04.1
dotnet-hostfxr-7.0 (Ubuntu package): before 7.0.109-0ubuntu1~23.04.1
aspnetcore-runtime-6.0 (Ubuntu package): before 6.0.120-0ubuntu1~23.04.1
External linkshttp://ubuntu.com/security/notices/USN-6217-1
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.