CVE-2020-11093 — Hyperledger Indy Node is the server portion of a distributed ledger purpose-buil

Hyperledger Indy Node is the server portion of a distributed ledger purpose-built for decentralized identity. In Hyperledger Indy before version 1.12.4, there is lack of signature verification on a specific transaction which enables an attacker to make certain unauthorized altera

01What is this vulnerability?

Hyperledger Indy Node is the server portion of a distributed ledger purpose-built for decentralized identity. In Hyperledger Indy before version 1.12.4, there is lack of signature verification on a specific transaction which enables an attacker to make certain unauthorized alterations to the ledger. Updating a DID with a nym transaction will be written to the ledger if neither ROLE or VERKEY are…

02Affected products

Vendor	Product	Versions
hyperledger	indy	node — < 1.12.4

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2020-12-24T20:05:15.000Z
• Last modified: 2024-08-04T11:21:14.718Z

09References

• github.com — https://github.com/hyperledger/indy-node/security/advisories/GHSA-wh2w-39f4-rpv2
• github.com — https://github.com/hyperledger/indy-node/blob/master/CHANGELOG.md#1124
• github.com — https://github.com/hyperledger/indy-node/blob/master/docs/source/auth_rules.md
• github.com — https://github.com/hyperledger/indy-node/commit/55056f22c83b7c3520488b615e1577e0…