PT-2020-2258 · Microsoft · Windows Dns+1

Published 2020-04-14 · Updated 2021-07-21 · CVE-2020-0993

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:N/AC:L/Au:S/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Windows DNS (affected versions not specified)

Description The issue is related to errors in handling objects in memory in the Windows DNS service of Windows operating systems. It can be exploited by a remote attacker using specially crafted DNS queries to cause a denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

BDU:2020-02194

CVE-2020-0993

Affected Products

Windows

Windows Dns

References · 6

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0993 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2020-0993 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-02194 · Security Note
• https://osv.dev/vulnerability/CVE-2020-0993 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-0993 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-0993 · Security Note