Vulnerability identifier: #VU82954
Vulnerability 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:
CWE-ID:
CWE-400
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Vault
Web applications /
Modules and components for CMS
Vault Enterprise
Web applications /
Modules and components for CMS
Vendor: HashiCorp
Description
The 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 handling policy requests. A remote attacker can send multiple requests to the application, which trigger policy checks and consume large amounts of memory, leading to a denial of service condition.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Vault: 1.15.0 - 1.15.1, 1.14.0 - 1.14.5, 1.13.0 - 1.13.9
Vault Enterprise: 1.15.0 - 1.15.1, 1.14.0 - 1.14.5, 1.13.0 - 1.13.9
External links
http://discuss.hashicorp.com/t/hcsec-2023-33-vault-requests-triggering-policy-checks-may-lead-to-unbounded-memory-consumption/59926
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.