CVE-2023-49559
Privilege Escalation vulnerability in gqlparser (Go)
What is CVE-2023-49559 About?
Hashicorp Vault has a Privilege Escalation Vulnerability in the `github.com/hashicorp/vault` component. This allows an attacker to gain elevated privileges within the Vault system. The nature of the vulnerability suggests a configuration or logical flaw that can be exploited by an authenticated user.
Affected Software
Technical Details
The Privilege Escalation vulnerability in Hashicorp Vault exists within the github.com/hashicorp/vault component. While specific technical details are not provided, privilege escalation typically arises from flaws in access control mechanisms, role management, or policy enforcement. An authenticated user with lower privileges could potentially exploit this vulnerability to assume higher-level permissions or execute actions reserved for administrators. This could involve manipulating internal state, bypassing policy checks, or exploiting misconfigurations in how Vault handles user sessions or token management, allowing the attacker to gain unauthorized elevated access.
What is the Impact of CVE-2023-49559?
Successful exploitation may allow attackers to gain unauthorized elevated privileges, access sensitive secrets, modify system configurations, or perform actions typically reserved for administrators.
What is the Exploitability of CVE-2023-49559?
Exploitation of this Privilege Escalation vulnerability in Hashicorp Vault typically requires prior authentication to the system, but with lower privileges than the target elevated role. The complexity of exploitation is likely medium to high, as it would involve understanding specific configurations or logical flaws within Vault's internal operations. This would be a local attack in the sense of being within the Vault environment by an authenticated user, but could be initiated remotely if the attacker has valid credentials. No special conditions are explicitly stated, but common scenarios involve exploiting misconfigurations of policies or roles, or weaknesses in authentication token handling. Risk factors include overly permissive user roles, complex policy structures that are difficult to manage, and lack of proper auditing for privilege assignment.
What are the Known Public Exploits?
| PoC Author | Link | Commentary |
|---|---|---|
| No known exploits | ||
What are the Available Fixes for CVE-2023-49559?
About the Fix from Resolved Security
Available Upgrade Options
- github.com/vektah/gqlparser/v2
- <2.5.14 → Upgrade to 2.5.14
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Book a demoAdditional Resources
- https://github.com/vektah/gqlparser/commit/36a3658873bf5a107f42488dfc392949cdd02977
- https://github.com/99designs/gqlgen/issues/3118
- https://gist.github.com/uvzz/d3ed9d4532be16ec1040a2cf3dfec8d1
- https://github.com/advisories/GHSA-2hmf-46v7-v6fx
- https://github.com/vektah/gqlparser/blob/master/parser/query.go#L316
- https://gist.github.com/uvzz/d3ed9d4532be16ec1040a2cf3dfec8d1
- https://osv.dev/vulnerability/GO-2024-2920
What are Similar Vulnerabilities to CVE-2023-49559?
Similar Vulnerabilities: CVE-2023-41315 , CVE-2023-3569 , CVE-2023-26466 , CVE-2023-28312 , CVE-2023-27807
