{"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":"2020-10-21T02:00:49.000Z","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"}]}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T16:03:23.164Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://gist.github.com/ariard/6bdeb995565d1cc292753e1ee4ae402d"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-October/002857.html"},{"tags":["x_refsource_MISC","x_transferred"],"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":"2020-10-21T02:00:49.000Z","dateReserved":"2020-10-09T00:00:00.000Z","dateUpdated":"2024-08-04T16:03:23.164Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}