QID 671016

Date Published: 2021-11-24

QID 671016: EulerOS Security Update for c-ares (EulerOS-SA-2021-2623)

c-ares is a C library that performs DNS requests and name resolves asynchronously. c-ares is a fork of the library named 'ares', written by Greg Hudson at MIT. Security Fix(es): Missing input validation of host names returned by Domain Name Servers in the c-ares library can lead to output of wrong hostnames (leading to Domain Hijacking).(CVE-2021-3672)
Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

An arbitrary attacker may exploit this vulnerability to compromise the system.

CVSS V3 rated as High - 7.3 severity.

CVSS V2 rated as High - 7.5 severity.

Solution

The Vendor has released a security update to fix the vulnerability. For more information please visit EulerOS-SA-2021-2623 for updates and patch information

Vendor References

EulerOS-SA-2021-2623 - developer.huaweicloud.com/ict/en/site-euleros/euleros/security-advisories/EulerOS-SA-2021-2623

CVEs related to QID 671016

CVE-2021-3672 |

Software Advisories

Advisory ID	Software	Component	Link
EulerOS-SA-2021-2623	EulerOS V2.0SP8		developer.huaweicloud.com/ict/en/site-euleros/euleros/security-advisories/EulerOS-SA-2021-2623

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