A possible use-after-free and double-free in c-ares lib version 1.16.0 if ares_destroy() is called prior to ares_getaddrinfo() completing. This flaw possibly allows an attacker to crash the service that uses c-ares lib. The highest threat from this vulnerability is to this service availability.

According to the versions of the c-ares package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - A possible use-after-free and double-free in c-ares lib version 1.16.0 if ares_destroy() is called prior     to ares_getaddrinfo() completing. This flaw possibly allows an attacker to crash the service that uses     c-ares lib. The highest threat from this vulnerability is to this service availability. (CVE-2020-14354)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the c-ares package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - A possible use-after-free and double-free in c-ares lib version 1.16.0 if ares_destroy() is called prior     to ares_getaddrinfo() completing. This flaw possibly allows an attacker to crash the service that uses     c-ares lib. The highest threat from this vulnerability is to this service availability. (CVE-2020-14354)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Update to 14.15.1

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Severity
165412	EulerOS Virtualization 2.9.1 : c-ares (EulerOS-SA-2022-2337)	Nessus	Huawei Local Security Checks	low
165345	EulerOS Virtualization 2.9.0 : c-ares (EulerOS-SA-2022-2375)	Nessus	Huawei Local Security Checks	low
162869	EulerOS 2.0 SP9 : c-ares (EulerOS-SA-2022-1959)	Nessus	Huawei Local Security Checks	low
162865	EulerOS 2.0 SP9 : c-ares (EulerOS-SA-2022-1989)	Nessus	Huawei Local Security Checks	low
144124	Fedora 33 : 1:nodejs (2020-43d5a372fc)	Nessus	Fedora Local Security Checks	high

Detections

Analytics

CVE-2020-14354

low

Tenable Plugins

low

low

low

low

high