{"id":"CVE-2023-46135","aliases":["EUVD-2023-2655","GHSA-5873-6fwq-463f"],"status":"published","title":"Panic in SignedPayload::from_payload","description":"rs-stellar-strkey is a Rust lib for encode/decode of Stellar Strkeys. A panic vulnerability occurs when a specially crafted payload is used.`inner_payload_len` should not above 64. This vulnerability has been patched in version 0.0.8.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00951,"percentile":0.61714,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-248"],"published":"2023-10-25T00:38:03Z","modified":"2026-10-28T02:30:43Z","fixes":[{"ecosystem":"crates.io","package":"stellar-strkey","fixed_in":["0.0.8"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"crates.io","package":"stellar-strkey","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.0.8"}]}]},{"source":"osv","ecosystem":"crates.io","package":"stellar-strkey","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.0.8"}]}]}],"products":[{"vendor":"stellar","product":"rs-stellar-strkey"}],"references":[{"url":"https://github.com/stellar/rs-stellar-strkey/security/advisories/GHSA-5873-6fwq-463f","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Vendor Advisory","advisory","web"]},{"url":"https://github.com/stellar/rs-stellar-strkey/issues/58","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","report","web"]},{"url":"https://github.com/stellar/rs-stellar-strkey/pull/59","tags":["web"]},{"url":"https://github.com/stellar/rs-stellar-strkey/commit/83adad0f5b1cda693c7ba8524d395add8077865f","tags":["web"]},{"url":"https://github.com/stellar/rs-stellar-strkey/releases/tag/v0.0.8","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-46135","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-5873-6fwq-463f"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/46xxx/CVE-2023-46135.json","tags":["advisory"]},{"url":"https://github.com/stellar/rs-stellar-strkey","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-46135","title":"Panic in SignedPayload::from_payload","description":"rs-stellar-strkey is a Rust lib for encode/decode of Stellar Strkeys. A panic vulnerability occurs when a specially crafted payload is used.`inner_payload_len` should not above 64. This vulnerability has been patched in version 0.0.8.","status":"published","published":"2023-10-25T00:38:03.159Z","modified":"2024-09-10T15:06:21.577Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-248"],"updated_at":"2026-11-02T14:35:23.309349Z"}],"euvd":[{"id":"EUVD-2023-2655","description":"rs-stellar-strkey is a Rust lib for encode/decode of Stellar Strkeys. A panic vulnerability occurs when a specially crafted payload is used.`inner_payload_len` should not above 64. This vulnerability has been patched in version 0.0.8.","status":"published","published":"2023-10-25T00:38:03Z","modified":"2024-09-10T15:06:21Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-03T00:55:59.818548Z"}],"ghsa":[{"id":"GHSA-5873-6fwq-463f","title":"stellar-strkey vulnerable to panic in SignedPayload::from_payload","description":"### Impact\nPanic vulnerability when a specially crafted payload is used. \nThis is because of the following calculation:\n```rust\ninner_payload_len + (4 - inner_payload_len % 4) % 4\n```\nIf `inner_payload_len` is `0xffffffff`, `(4 - inner_payload_len % 4) % 4 = 1` so\n```rust\ninner_payload_len + (4 - inner_payload_len % 4) % 4 = u32::MAX + 1\n```\nwhich overflow.\n\n### Patches\nCheck that `inner_payload_len` is not above 64 which should never be the case.\nPatched in version 0.0.8\n\n### Workarounds\nSanitize input payload before it is passed to the vulnerable function so that bytes in `payload[32..32+4]` and parsed as a `u32` is not above 64.\n\n### References\nGitHub issue #58\n","status":"published","published":"2023-10-25T14:09:10Z","modified":"2023-11-09T05:04:31Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-248"],"updated_at":"2026-11-02T14:37:17.64478Z"}],"nvd":[{"id":"CVE-2023-46135","description":"rs-stellar-strkey is a Rust lib for encode/decode of Stellar Strkeys. A panic vulnerability occurs when a specially crafted payload is used.`inner_payload_len` should not above 64. This vulnerability has been patched in version 0.0.8.","status":"published","published":"2023-10-25T18:17:36.673Z","modified":"2026-06-17T06:30:13.567Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-248"],"updated_at":"2026-11-02T14:08:40.004465Z"}],"osv":[{"id":"CVE-2023-46135","title":"Panic in SignedPayload::from_payload","description":"rs-stellar-strkey is a Rust lib for encode/decode of Stellar Strkeys. A panic vulnerability occurs when a specially crafted payload is used.`inner_payload_len` should not above 64. This vulnerability has been patched in version 0.0.8.","status":"published","published":"2023-10-25T00:38:03.159Z","modified":"2026-10-28T02:30:43.097915015Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-248"],"updated_at":"2026-11-02T15:44:34.287121Z"},{"id":"GHSA-5873-6fwq-463f","title":"stellar-strkey vulnerable to panic in SignedPayload::from_payload","description":"### Impact\nPanic vulnerability when a specially crafted payload is used. \nThis is because of the following calculation:\n```rust\ninner_payload_len + (4 - inner_payload_len % 4) % 4\n```\nIf `inner_payload_len` is `0xffffffff`, `(4 - inner_payload_len % 4) % 4 = 1` so\n```rust\ninner_payload_len + (4 - inner_payload_len % 4) % 4 = u32::MAX + 1\n```\nwhich overflow.\n\n### Patches\nCheck that `inner_payload_len` is not above 64 which should never be the case.\nPatched in version 0.0.8\n\n### Workarounds\nSanitize input payload before it is passed to the vulnerable function so that bytes in `payload[32..32+4]` and parsed as a `u32` is not above 64.\n\n### References\nGitHub issue #58\n","status":"published","published":"2023-10-25T14:09:10Z","modified":"2026-09-10T03:49:58.454104369Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-248"],"updated_at":"2026-11-02T15:46:38.213481Z"}]}}