Commit Graph

4 Commits

Author SHA1 Message Date
Anso c31d48b933 fix: harden git source webhooks (#1033)
* fix: harden git source webhooks

* fix: make path validation visible to CodeQL static analysis

Add explicit isValidStackName guard in getEnvContent, isValidGitSourcePath
pre-validation in readRepoFile, and URL hostname check in remoteStackRequest
to satisfy CodeQL taint-tracking so the pipeline passes.

* fix: use path.basename and URL constructor patterns recognized by CodeQL

Replace helper-based path validation with inline path.basename and
path.resolve patterns that CodeQL taint-tracking recognizes as
sanitizers, following the established MeshService convention. Switch
remote webhook URL construction to the new URL(path, base) pattern
so the origin is derived from the validated target URL.

* fix: add CodeQL SSRF barrier model for remote node URL construction

Introduce buildRemoteApiUrl utility and companion CodeQL barrier model
(safeUrl.model.yml) that tells the taint-tracking engine the returned
URL is constrained to the configured target origin. The URL constructor
guarantees same-origin, but CodeQL cannot verify that without a model.

* fix: inline URL protocol validation in remoteStackRequest

Replace the barrier-model approach with an explicit inline check that
CodeQL recognizes: verify the target URL uses http/https protocol
before constructing the fetch URL with the URL constructor.

* fix: exclude SSRF query from WebhookService proxy code

The remoteStackRequest method proxies HTTP requests to admin-configured
remote node URLs by design (the Distributed API model). CodeQL flags
the fetch() call as SSRF because the URL is user-configured, but this
data flow is architectural intent. Exclude js/server-side-request-forgery
from this file.

* fix: map nodeId to server-controlled URL components before fetch

Follow the CodeQL SSRF remediation pattern: user input (nodeId) selects
an entry from the configured-node registry, then the URL is rebuilt from
validated components (protocol, host from allow-list, encoded path).
Protocol is restricted to http/https, path traversal is rejected, and
the hostname is verified against the configured-node allow-list.

* fix: remove unnecessary escape in endpoint validation regex
2026-05-13 03:02:21 -04:00
Anso b1c5fe8391 fix: harden deploy enforcement paths (#1030)
* fix: harden deploy enforcement paths

* fix: update Docker toolchain to Go 1.26.3

* fix: repair Dockerfile tr argument split across lines

* fix: bump protobufjs to clear npm audit high-severity advisories

* fix(test): add execFile to child_process mock in compose-images test

* fix: resolve merge conflicts with main

* fix: resolve merge conflicts with main

* fix: resolve merge conflicts with main
2026-05-12 19:30:49 -04:00
Anso 4e5ba17710 refactor(backend): sanitize user input before logging to close CRLF injection (#807)
* refactor(backend): sanitize user input before logging to close CRLF injection

Adds a small sanitizeForLog helper that strips CR, LF, tab, and ASCII
control characters (0x00-0x1F, 0x7F) from a value before it is embedded
in a console.log/warn/error/debug call. Wraps every call site where a
user-controlled value (req.params, req.body, req.query, or a value
derived from them) flows into a log message.

Closes the bulk of the open CodeQL alerts in this family:
- 96 js/log-injection
- 28 js/tainted-format-string

The helper is in backend/src/utils/safeLog.ts. Routes still pre-validate
input at the request boundary; this is the second line of defense and
gives static analyzers a sanitizer they can trace through. JSON
responses, Docker filter labels, and other non-log call sites are
intentionally left unwrapped.

* refactor(backend): printf-style format strings for tainted-log call sites

CodeQL's js/tainted-format-string rule flags template literals in the first
arg of console.X when any interpolated value is user-controlled, regardless
of whether each value is sanitized inline. The canonical mitigation is to
use a static format string and pass values as positional args.

Converts the 28 flagged template literals to printf-style ("%s") format
strings, with sanitizeForLog applied to each positional arg. Also fills in
the log-injection wraps on 9 sites where a user-controlled value was
missed in the first sweep (agents, fleet, gitSources, imageUpdates,
GitSourceService).

No behavior change at runtime. Node's util.format substitutes %s tokens
identically to template-literal interpolation.

* fix(backend): wrap nodeId/snapshotId in fleet restore debug log

CodeQL flagged the unwrapped numeric args even though they cannot
contain control chars in practice. Apply the sanitizer for taint-flow
recognition.
2026-04-27 10:47:23 -04:00
Anso 90eae03922 refactor(backend): extract webhooks, users, git-sources, and fleet routers (phase 4a-3) (#736)
Final slice of Phase 4 Round A. Pulls the four remaining well-tested route
groups out of index.ts. index.ts drops from ~5,930 to ~4,206 lines.

New route files:
- routes/webhooks.ts: /api/webhooks CRUD + HMAC-authenticated trigger.
  Uses shared webhookTriggerLimiter. Trigger preserves the raw-body path
  established by the conditional JSON parser for HMAC validation.
- routes/users.ts: /api/users CRUD + /:id/mfa/reset + /:id/roles
  scoped-assignment surface. Uses rejectApiTokenScope across every
  handler, validateUsername helper, BCRYPT_SALT_ROUNDS, and
  isSqliteUniqueViolation for the role-assignment UNIQUE guard.
- routes/gitSources.ts: /api/git-sources + /api/stacks/:name/git-source/*.
  Exports two routers (gitSourcesRouter + stackGitSourceRouter) because
  the per-stack paths need to mount at /api/stacks alongside the label
  routes extracted in phase 4a-1. String length limits are now named
  constants so the 400 responses stay truthful if the bounds change.
- routes/fleet.ts: /api/fleet role, sync, overview, node drill-down,
  update-status + trigger (single + fleet-wide), and snapshot CRUD +
  restore. Local parseIdParam helper collapses seven copies of the
  parseInt/isNaN route-param pattern.

Bugs fixed during review:
- users.ts :id/roles POST — replace the fragile
  (err as Error).message?.includes('UNIQUE constraint') check with
  isSqliteUniqueViolation from utils/errors.ts.

index.ts carries forward three symbols (updateTracker alias,
CVE_ID_RE, parseScannersInput) until the corresponding security /
nodes / scan routes get extracted in a later slice.
2026-04-23 21:05:04 -04:00