Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 2 |
CVE-ID | CVE-2021-44716 CVE-2021-44717 |
CWE-ID | CWE-20 CWE-400 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Nomad Server applications / Virtualization software |
Vendor | HashiCorp |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
EUVDB-ID: #VU58824
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-44716
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
MitigationInstall updates from vendor's website.
Vulnerable software versionsNomad: 1.0.0 - 1.2.2
External linkshttp://github.com/hashicorp/nomad/releases/tag/v1.2.3
http://github.com/hashicorp/nomad/releases/tag/v1.0.15
http://github.com/hashicorp/nomad/releases/tag/v1.1.9
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU59042
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-44717
CWE-ID:
CWE-400 - Resource exhaustion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources when processing HTTP/2 requests. A remote attacker can send multiple HTTP/2 requests to the server and exhaust all available memory resources.
Install updates from vendor's website.
Vulnerable software versionsNomad: 1.0.0 - 1.2.2
External linkshttp://github.com/hashicorp/nomad/releases/tag/v1.2.3
http://github.com/hashicorp/nomad/releases/tag/v1.0.15
http://github.com/hashicorp/nomad/releases/tag/v1.1.9
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.