Multiple vulnerabilities in Microsoft .NET and Visual Studio
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 5 |
| CVE-ID | CVE-2023-33135 CVE-2023-32030 CVE-2023-32032 CVE-2023-33126 CVE-2023-33128 |
| CWE-ID | CWE-264 CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
Visual Studio Universal components / Libraries / Software for developers .NET Other software / Other software solutions Microsoft .NET Framework Server applications / Frameworks for developing and running applications |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains information about 5 vulnerabilities.
1) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU77226
Risk: Medium
CVSSv4.0: 5.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2023-33135
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in .NET and Visual Studio. A remote user can trick a victim to open a specially crafted file and gain elevated privileges on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsVisual Studio: 17.0.0 17.0.31903.59 - 17.6.0 17.6.33712.159
.NET: 6.0.0 - 7.0.0
CPE2.3- cpe:2.3:a:microsoft:visual_studio:17.0.0:17.0.31903.59:*:*:*:*:*:*
- cpe:2.3:a:microsoft:visual_studio:17.2.0:17.2.32505.173:*:*:*:*:*:*
- cpe:2.3:a:microsoft:visual_studio:17.4.0:17.4.33103.184:*:*:*:*:*:*
- cpe:2.3:a:microsoft:visual_studio:17.6.0:17.6.33712.159:*:*:*:*:*:*
- cpe:2.3:a:microsoft:.net:6.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:.net:7.0.0:*:*:*:*:*:*:*
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-33135
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Input validation error
EUVDB-ID: #VU77233
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-2023-32030
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 .NET and Visual Studio. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMicrosoft .NET Framework: 2.0 Service Pack 2 - 4.8.1
CPE2.3- cpe:2.3:a:microsoft:microsoft_net_framework:2.0_Service_Pack_2_:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:microsoft_net_framework:3.0:Service_Pack_2:*:*:*:*:*:*
- cpe:2.3:a:microsoft:microsoft_net_framework:3.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:microsoft_net_framework:4.6.2:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:microsoft_net_framework:4.7.2:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:microsoft_net_framework:4.8.1:*:*:*:*:*:*:*
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-32030
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.
3) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU77231
Risk: Low
CVSSv4.0: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2023-32032
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in .NET and Visual Studio, which leads to security restrictions bypass and privilege escalation.
MitigationInstall updates from vendor's website.
Vulnerable software versionsVisual Studio: 17.0.0 17.0.31903.59 - 17.6.0 17.6.33712.159
.NET: 7.0.0
CPE2.3https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-32032
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
4) Input validation error
EUVDB-ID: #VU77230
Risk: Medium
CVSSv4.0: 5.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2023-33126
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to insufficient validation of user-supplied input in .NET and Visual Studio. A remote user can trick a victim to open a specially crafted file and execute arbitrary code on the target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsVisual Studio: 17.0.0 17.0.31903.59 - 17.6.0 17.6.33712.159
.NET: 6.0.0 - 7.0.0
CPE2.3https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-33126
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
5) Input validation error
EUVDB-ID: #VU77229
Risk: Medium
CVSSv4.0: 5.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2023-33128
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to insufficient validation of user-supplied input in .NET and Visual Studio. A remote user can pass specially crafted input to the application and execute arbitrary code on the target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsVisual Studio: 17.0.0 17.0.31903.59 - 17.6.0 17.6.33712.159
.NET: 6.0.0 - 7.0.0
CPE2.3https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-33128
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
