{"id":"CVE-2023-46234","state":"PUBLISHED","title":"browserify-sign vulnerable via an upper bound check issue in `dsaVerify` that leads to a signature forgery attack","description":"browserify-sign is a package to duplicate the functionality of node's crypto public key functions, much of this is based on Fedor Indutny's work on indutny/tls.js. An upper bound check issue in `dsaVerify` function allows an attacker to construct signatures that can be successfully verified by any public key, thus leading to a signature forgery attack. All places in this project that involve DSA verification of user-input signatures will be affected by this vulnerability. This issue has been patched in version 4.2.2.","publishedAt":"2023-10-26T14:31:35.895Z","updatedAt":"2025-02-13T17:14:23.092Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["browserify browserify-sign"],"affected":[{"vendor":"browserify","product":"browserify-sign","versions":[{"version":">= 2.6.0, <= 4.2.1","status":"affected"}]}],"references":["https://github.com/browserify/browserify-sign/security/advisories/GHSA-x9w5-v3q2-3rhw","https://github.com/browserify/browserify-sign/commit/85994cd6348b50f2fd1b73c54e20881416f44a30","https://lists.debian.org/debian-lts-announce/2023/10/msg00040.html","https://www.debian.org/security/2023/dsa-5539","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6PVVPNSAGSDS63HQ74PJ7MZ3MU5IYNVZ/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3HUE6ZR5SL73KHL7XUPAOEL6SB7HUDT2/"],"weaknesses":["CWE-347"],"ingestedAt":"2026-10-29T20:06:24.729Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/46xxx/CVE-2023-46234.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-46234","state":"PUBLISHED","datePublished":"2023-10-26T14:31:35.895Z","dateUpdated":"2025-02-13T17:14:23.092Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2023-10-19T20:34:00.946Z"},"containers":{"cna":{"title":"browserify-sign vulnerable via an upper bound check issue in `dsaVerify` that leads to a signature forgery attack","descriptions":[{"lang":"en","value":"browserify-sign is a package to duplicate the functionality of node's crypto public key functions, much of this is based on Fedor Indutny's work on indutny/tls.js. An upper bound check issue in `dsaVerify` function allows an attacker to construct signatures that can be successfully verified by any public key, thus leading to a signature forgery attack. All places in this project that involve DSA verification of user-input signatures will be affected by this vulnerability. This issue has been patched in version 4.2.2."}],"affected":[{"vendor":"browserify","product":"browserify-sign","versions":[{"version":">= 2.6.0, <= 4.2.1","status":"affected"}]}],"references":[{"url":"https://github.com/browserify/browserify-sign/security/advisories/GHSA-x9w5-v3q2-3rhw","name":"https://github.com/browserify/browserify-sign/security/advisories/GHSA-x9w5-v3q2-3rhw","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/browserify/browserify-sign/commit/85994cd6348b50f2fd1b73c54e20881416f44a30","name":"https://github.com/browserify/browserify-sign/commit/85994cd6348b50f2fd1b73c54e20881416f44a30","tags":["x_refsource_MISC"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00040.html"},{"url":"https://www.debian.org/security/2023/dsa-5539"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6PVVPNSAGSDS63HQ74PJ7MZ3MU5IYNVZ/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3HUE6ZR5SL73KHL7XUPAOEL6SB7HUDT2/"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-347","lang":"en","description":"CWE-347: Improper Verification of Cryptographic Signature","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2024-02-28T02:06:00.712Z"},"source":{"advisory":"GHSA-x9w5-v3q2-3rhw","discovery":"UNKNOWN"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/browserify/browserify-sign/security/advisories/GHSA-x9w5-v3q2-3rhw","name":"https://github.com/browserify/browserify-sign/security/advisories/GHSA-x9w5-v3q2-3rhw","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://github.com/browserify/browserify-sign/commit/85994cd6348b50f2fd1b73c54e20881416f44a30","name":"https://github.com/browserify/browserify-sign/commit/85994cd6348b50f2fd1b73c54e20881416f44a30","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00040.html","tags":["x_transferred"]},{"url":"https://www.debian.org/security/2023/dsa-5539","tags":["x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6PVVPNSAGSDS63HQ74PJ7MZ3MU5IYNVZ/","tags":["x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3HUE6ZR5SL73KHL7XUPAOEL6SB7HUDT2/","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T20:37:40.270Z"}}]}}}