Denial of service in XmlLite Runtime



Published: 2019-08-14
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-1187
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		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) Input validation error

EUVDB-ID: #VU20280

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-1187

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied XML input within the XmlLite runtime (XmlLite.dll). A remote attacker can issue a specially crafted request to an XML application and perform denial of service attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 7 - 10 1903

Windows Server: 2008 - 2019 1903

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1187
http://www.zerodayinitiative.com/advisories/ZDI-19-710/


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.



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