Information disclosure in Microsoft Windows TCP/IP stack



Published: 2019-11-12
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
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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

CVSSv3.1: 5.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-1324

CWE-ID: CWE-200 - Information exposure

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 1903

Windows Server: 2019 - 2019 1903

External links

http://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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