Information disclosure in Microsoft Windows TCP/IP stack



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-1324
CWE-ID CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Windows
Operating systems & Components / Operating system

Windows Server
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU22679

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-1324

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to an error within the the Windows TCP/IP stack when processing IPv6 packets. A remote attacker can gain send specially crafted IPv6 packets with malicious IPv6 flowlabel data and gain access to sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 10 1709 10.0.16299.19 - 10 1903 10.0.18362.116

Windows Server: 2019 10.0.17763.1 - 2019 1903

CPE2.3 External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1324


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.



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