{"items":[{"id":"NVI-00006056","kind":"vulnerability","title":"asymmetricrypt/asymmetricrypt Padding Oracle Vulnerability in RSA Encryption","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-87mp-xc4x-x8rh"],"plain_summary":"OSV carries this publisher advisory for asymmetricrypt/asymmetricrypt. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-a5d00b25948fa21cce233d3f288feb55"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-a5d00b25948fa21cce233d3f288feb55","url":"https://github.com/advisories/GHSA-87mp-xc4x-x8rh","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-87mp-xc4x-x8rh","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.958Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-a5d00b25948fa21cce233d3f288feb55"],"technology":"asymmetricrypt/asymmetricrypt","known_exclusions":[],"conditions_summary":"The encryption and decryption process were vulnerable against the Bleichenbacher's attack, which is a padding oracle vulnerability disclosed in the 98'.\nThe issue was about the wrong padding utilized, which allowed to retrieve the encrypted content.\nThe OPENSSL_PKCS1_PADDING version, aka PKCS v1.5 was vulnerable (is the one set by default when using openssl_* methods), while the PKCS v2.0 isn't anymore (it's also called OAEP).\n\nA fix for this vulnerability was merged at https://github.com/Cosmicist/AsymmetriCrypt/pull/5/commits/a0318cfc5022f2a7715322dba3ff91d475ace7c6.","public_affected_ranges":["ECOSYSTEM: introduced 0; last_affected 0.3.0"]}],"null_published_at":"2026-10-31T22:13:05.857Z","source_updated_at":"2024-11-29T05:32:28.469Z","source_disclosed_at":"2024-05-15T17:47:31.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:41:59.958Z"}],"next_cursor":null,"snapshot_revision":"42594"}