CVE-2023-31135— Dgraph Audit Log Encryption nonce reuse
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I. Basic Information for CVE-2023-31135
Vulnerability Information
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Vulnerability Title
Dgraph Audit Log Encryption nonce reuse
Source: NVD (National Vulnerability Database)
Vulnerability Description
Dgraph is an open source distributed GraphQL database. Existing Dgraph audit logs are vulnerable to brute force attacks due to nonce collisions. The first 12 bytes come from a baseIv which is initialized when an audit log is created. The last 4 bytes come from the length of the log line being encrypted. This is problematic because two log lines will often have the same length, so due to these collisions we are reusing the same nonce many times. All audit logs generated by versions of Dgraph <v23.0.0 are affected. Attackers must have access to the system the logs are stored on. Dgraph users should upgrade to v23.0.0. Users unable to upgrade should store existing audit logs in a secure location and for extra security, encrypt using an external tool like `gpg`.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
不充分的加密强度
Source: NVD (National Vulnerability Database)
Vulnerability Title
Dgraph 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dgraph是Dgraph开源的一个具有图形后端的水平可扩展分布式 GraphQL 数据库。 Dgraph 23.0.0 之前版本存在加密问题漏洞，该漏洞源于nounce冲突，攻击者利用该漏洞可以对日志进行暴力攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2023-31135
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- https://github.com/dgraph-io/dgraph/pull/8323x_refsource_MISC
- https://en.wikipedia.org/wiki/Cryptographic_noncex_refsource_MISC
- https://github.com/dgraph-io/dgraph/security/advisories/GHSA-92wq-q9pq-gw47x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2023-31135
IV. Related Vulnerabilities
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Dgraph: Pre-Auth Full Database Exfiltration via DQL Injectio - CVE-2026-40173
Dgraph: Unauthenticated pprof endpoint leaks admin auth toke - CVE-2026-34976
Dgraph Affected by Pre-Auth Database Overwrite + SSRF + File
Same vendor: dgraph-io
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Unauthenticated Admin Token Disclosure Leading to Authentica - CVE-2026-41327
Dgraph: Pre-Auth Full Database Exfiltration via DQL Injectio - CVE-2026-41328
Dgraph: Pre-Auth Full Database Exfiltration via DQL Injectio - CVE-2026-40173
Dgraph: Unauthenticated pprof endpoint leaks admin auth toke - CVE-2026-34976
Dgraph Affected by Pre-Auth Database Overwrite + SSRF + File
Same weakness: CWE-326
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V. Comments for CVE-2023-31135
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