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Huawei EulerOS: Security Advisory for c-ares (EulerOS-SA-2021-2737)

Information

Severity

Severity

Medium

Family

Family

Huawei EulerOS Local Security Checks

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

2 years ago

Modified

Modified

2 years ago

Summary

The remote host is missing an update for the Huawei EulerOS 'c-ares' package(s) announced via the EulerOS-SA-2021-2737 advisory.

Insight

Insight

A flaw was found in c-ares library, where a missing input validation check of host names returned by DNS (Domain Name Servers) can lead to output of wrong hostnames which might potentially lead to Domain Hijacking. The highest threat from this vulnerability is to confidentiality and integrity as well as system availability.(CVE-2021-3672)

Affected Software

Affected Software

'c-ares' package(s) on Huawei EulerOS Virtualization release 2.9.1.

Detection Method

Detection Method

Checks if a vulnerable package version is present on the target host.

Solution

Solution

Please install the updated package(s).

Common Vulnerabilities and Exposures (CVE)