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MEDIUM severity

a12nserver vulnerable to potential SQL Injections via Knex dependencyGHSA-crhg-xgrg-vvcc

MEDIUMFix: curveball/a12n-server@f4acd75

GHSA-crhg-xgrg-vvcc is a medium-severity (CVSS 6.5) vulnerability in @curveball/a12n-server. A fix is available for @curveball/a12n-server — see the affected versions and patch details below.

Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Jan 13, 2023 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

1 pkg affected

How broadly this vulnerability is actually deployed: weekly install volume shows current usage, and reverse-dependency count shows how many other packages break if it stays unpatched.

0other npm packages depend on this — each one inherits the vulnerability until it's patched upstream
@curveball/a12n-servernpm
227downloads / week

Description

Impact

Users of a12nserver that use MySQL might be vulnerable to SQL injection bugs.

If you use a12nserver and MySQL, update as soon as possible. This SQL injection bug might let an attacker obtain OAuth2 Access Tokens for users unrelated to those that permitted OAuth2 clients.

Patches

The knex dependency has been updated to 2.4.0 in a12nserver 0.23.0

Workarounds

No further workarounds

References

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
📦npm@curveball/a12n-server≥ 0.20.0&&< 0.23.00.23.0npm install @curveball/a12n-server@0.23.0

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for @curveball/a12n-server, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update @curveball/a12n-server to 0.23.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-crhg-xgrg-vvcc is resolved across your whole dependency graph.

  3. Workarounds

    Until you can upgrade, make sure every query built from user input uses parameterised statements or a prepared-statement API rather than string concatenation, and reduce the database account's privileges so an injected query cannot read or alter data beyond what the feature needs.

Frequently Asked Questions

### Impact Users of a12nserver that use MySQL might be vulnerable to SQL injection bugs. If you use a12nserver and MySQL, update as soon as possible. This SQL injection bug might let an attacker obtain OAuth2 Access Tokens for users unrelated to those that permitted OAuth2 clients. ### Patches The knex dependency has been updated to 2.4.0 in a12nserver 0.23.0 ### Workarounds No further workarounds ### References * https://github.com/knex/knex/issues/1227 * https://nvd.nist.gov/vuln/detail/CVE-2016-20018 * https://www.ghostccamm.com/blog/knex_sqli/
O3 Security · Impact-Aware SCA

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a12nserver vulnerable to potential SQL Injections via Knex…