Anolis OS update for dotnet6.0
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2022-21986 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
Anolis OS Operating systems & Components / Operating system netstandard-targeting-pack-2.1 Operating systems & Components / Operating system package or component dotnet-templates-6.0 Operating systems & Components / Operating system package or component dotnet-targeting-pack-6.0 Operating systems & Components / Operating system package or component dotnet-sdk-6.0-source-built-artifacts Operating systems & Components / Operating system package or component dotnet-sdk-6.0 Operating systems & Components / Operating system package or component dotnet-runtime-6.0 Operating systems & Components / Operating system package or component dotnet-hostfxr-6.0 Operating systems & Components / Operating system package or component dotnet-host Operating systems & Components / Operating system package or component dotnet-apphost-pack-6.0 Operating systems & Components / Operating system package or component dotnet Operating systems & Components / Operating system package or component |
| Vendor | OpenAnolis |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Input validation error
EUVDB-ID: #VU60380
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-2022-21986
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe 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 ASP.NET Core Krestel when pooling HTTP/2 and HTTP/3 headers. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsAnolis OS: 8
netstandard-targeting-pack-2.1: before 6.0.102-1.0.1
dotnet-templates-6.0: before 6.0.102-1.0.1
dotnet-targeting-pack-6.0: before 6.0.2-1.0.1
dotnet-sdk-6.0-source-built-artifacts: before 6.0.102-1.0.1
dotnet-sdk-6.0: before 6.0.102-1.0.1
dotnet-runtime-6.0: before 6.0.2-1.0.1
dotnet-hostfxr-6.0: before 6.0.2-1.0.1
dotnet-host: before 6.0.2-1.0.1
dotnet-apphost-pack-6.0: before 6.0.2-1.0.1
dotnet: before 6.0.102-1.0.1
CPE2.3- cpe:2.3:o:openanolis:anolis_os:8:*:*:*:*:*:*:*
- cpe:2.3:o:openanolis:netstandard-targeting-pack-2_1:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:o:openanolis:dotnet-templates-6_0:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:o:openanolis:dotnet-targeting-pack-6_0:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:o:openanolis:dotnet-sdk-6_0-source-built-artifacts:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:o:openanolis:dotnet-sdk-6_0:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:o:openanolis:dotnet-runtime-6_0:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:o:openanolis:dotnet-hostfxr-6_0:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:o:openanolis:dotnet-host:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:o:openanolis:dotnet-apphost-pack-6_0:*:*:*:*:*:anolis_os:*:*
- cpe:2.3:o:openanolis:dotnet:*:*:*:*:*:anolis_os:*:*
https://anas.openanolis.cn/errata/detail/ANSA-2022:0011
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.
