{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "Prior to 0.11.0-beta, LND (Lightning Network Daemon) had a vulnerability in its invoice database. While claiming on-chain a received HTLC output, it didn't verify that the corresponding outgoing off-chain HTLC was already settled before releasing the preimage. In the case of a hash-and-amount collision with an invoice, the preimage for an expected payment was instead released. A malicious peer could have deliberately intercepted an HTLC intended for the victim node, probed the preimage through a colluding relayed HTLC, and stolen the intercepted HTLC. The impact is a loss of funds in certain situations, and a weakening of the victim's receiver privacy."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-10-21T02:00:49", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://gist.github.com/ariard/6bdeb995565d1cc292753e1ee4ae402d"}, {"tags": ["x_refsource_MISC"], "url": "https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-October/002857.html"}, {"tags": ["x_refsource_MISC"], "url": "https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-October/002855.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-26896", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Prior to 0.11.0-beta, LND (Lightning Network Daemon) had a vulnerability in its invoice database. While claiming on-chain a received HTLC output, it didn't verify that the corresponding outgoing off-chain HTLC was already settled before releasing the preimage. In the case of a hash-and-amount collision with an invoice, the preimage for an expected payment was instead released. A malicious peer could have deliberately intercepted an HTLC intended for the victim node, probed the preimage through a colluding relayed HTLC, and stolen the intercepted HTLC. The impact is a loss of funds in certain situations, and a weakening of the victim's receiver privacy."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://gist.github.com/ariard/6bdeb995565d1cc292753e1ee4ae402d", "refsource": "MISC", "url": "https://gist.github.com/ariard/6bdeb995565d1cc292753e1ee4ae402d"}, {"name": "https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-October/002857.html", "refsource": "MISC", "url": "https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-October/002857.html"}, {"name": "https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-October/002855.html", "refsource": "MISC", "url": "https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-October/002855.html"}]}}}}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2020-26896", "datePublished": "2020-10-21T02:00:49", "dateReserved": "2020-10-09T00:00:00", "dateUpdated": "2020-10-21T02:00:49", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

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