Multiple vulnerabilities in Microsoft .NET, .NET Framework and Visual Studio
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 4 |
| CVE-ID | CVE-2023-29331 CVE-2023-24897 CVE-2023-24895 CVE-2023-24936 |
| CWE-ID | CWE-20 CWE-264 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Microsoft .NET Framework Server applications / Frameworks for developing and running applications Visual Studio Universal components / Libraries / Software for developers .NET Other software / Other software solutions |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains information about 4 vulnerabilities.
1) Input validation error
EUVDB-ID: #VU77235
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-2023-29331
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, .NET Framework, 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 - 4.8.1
Visual Studio: 17.0.0 17.0.31903.59 - 17.6.0 17.6.33712.159
.NET: 6.0.0 - 7.0.0
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-29331
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) Input validation error
EUVDB-ID: #VU77242
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-24897
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, .NET Framework, and Visual Studio. A remote attacker 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: 16.0 - 2017 version 15.9
Microsoft .NET Framework: 3.5 - 4.8.1
.NET: 6.0.0 - 7.0.0
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-24897
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) Input validation error
EUVDB-ID: #VU77239
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-24895
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, .NET Framework, and Visual Studio. A remote attacker 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 versionsMicrosoft .NET Framework: 2.0 - 4.8.1
Visual Studio: 17.0.0 17.0.31903.59 - 17.6.0 17.6.33712.159
.NET: 6.0.0 - 7.0.0
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-24895
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.
4) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU77237
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-2023-24936
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, .NET Framework, and Visual Studio, which leads to security restrictions bypass and privilege escalation.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMicrosoft .NET Framework: 2.0 - 4.8.1
Visual Studio: 17.0.0 17.0.31903.59 - 17.6.0 17.6.33712.159
.NET: 6.0.0 - 7.0.0
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-24936
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.
