{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/53103?format=json","vulnerability_id":"VCID-ckru-wcma-ffbt","summary":"Vyper is a pythonic Smart Contract Language for the Ethereum virtual machine. Starting in version 0.3.8 and prior to version 0.4.0b1, when looping over a `range` of the form `range(start, start + N)`, if `start` is negative, the execution will always revert. This issue is caused by an incorrect assertion inserted by the code generation of the range `stmt.parse_For_range()`. The issue arises when `start` is signed, instead of using `sle`, `le` is used and `start` is interpreted as an unsigned integer for the comparison. If it is a negative number, its 255th bit is set to `1` and is hence interpreted as a very large unsigned integer making the assertion always fail. Any contract having a `range(start, start + N)` where `start` is a signed integer with the possibility for `start` to be negative is affected. If a call goes through the loop while supplying a negative `start` the execution will revert. Version 0.4.0b1 fixes the issue.","aliases":[{"alias":"CVE-2024-32481"},{"alias":"GHSA-ppx5-q359-pvwj"},{"alias":"PYSEC-2024-246"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/81718?format=json","purl":"pkg:pypi/vyper@0.4.0b1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-33m8-47bw-1ugj"},{"vulnerability":"VCID-7z8b-9fnd-hfh7"},{"vulnerability":"VCID-8qeq-6spq-kbch"},{"vulnerability":"VCID-9n1v-uyy5-cfej"},{"vulnerability":"VCID-ah7u-fmtc-6uew"},{"vulnerability":"VCID-ckru-wcma-ffbt"},{"vulnerability":"VCID-eq36-zy9n-rqgc"},{"vulnerability":"VCID-fatn-6hfs-2yd6"},{"vulnerability":"VCID-j2sf-e911-9qae"},{"vulnerability":"VCID-qbn3-4wb4-tuep"},{"vulnerability":"VCID-usrs-w2cs-y7ax"},{"vulnerability":"VCID-ynxk-p4rx-j3fg"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/vyper@0.4.0b1"},{"url":"http://public2.vulnerablecode.io/api/packages/28457?format=json","purl":"pkg:pypi/vyper@0.4.0","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-7z8b-9fnd-hfh7"},{"vulnerability":"VCID-8qeq-6spq-kbch"},{"vulnerability":"VCID-ah7u-fmtc-6uew"},{"vulnerability":"VCID-qbn3-4wb4-tuep"},{"vulnerability":"VCID-usrs-w2cs-y7ax"},{"vulnerability":"VCID-ynxk-p4rx-j3fg"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/vyper@0.4.0"}],"affected_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/30810?format=json","purl":"pkg:pypi/vyper@0.3.8","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-16p5-vc4s-27aq"},{"vulnerability":"VCID-1dy2-nw8w-f3fa"},{"vulnerability":"VCID-1qav-fvdc-37bh"},{"vulnerability":"VCID-2jz3-ddbn-qyc6"},{"vulnerability":"VCID-33m8-47bw-1ugj"},{"vulnerability":"VCID-5gfr-7g4h-kkdd"},{"vulnerability":"VCID-7z8b-9fnd-hfh7"},{"vulnerability":"VCID-8j58-b29e-4ubb"},{"vulnerability":"VCID-8qeq-6spq-kbch"},{"vulnerability":"VCID-9gzc-rrfc-8ue9"},{"vulnerability":"VCID-9n1v-uyy5-cfej"},{"vulnerability":"VCID-ah7u-fmtc-6uew"},{"vulnerability":"VCID-ca5r-by1f-hffx"},{"vulnerability":"VCID-ckru-wcma-ffbt"},{"vulnerability":"VCID-ek9p-xvab-13ek"},{"vulnerability":"VCID-eq36-zy9n-rqgc"},{"vulnerability":"VCID-fatn-6hfs-2yd6"},{"vulnerability":"VCID-fjrc-wmx6-qqgj"},{"vulnerability":"VCID-j2sf-e911-9qae"},{"vulnerability":"VCID-jwnr-pngn-dkg3"},{"vulnerability":"VCID-qbn3-4wb4-tuep"},{"vulnerability":"VCID-sbmf-6kuf-2kfs"},{"vulnerability":"VCID-usrs-w2cs-y7ax"},{"vulnerability":"VCID-ynxk-p4rx-j3fg"},{"vulnerability":"VCID-zjz2-dn14-huag"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/vyper@0.3.8"},{"url":"http://public2.vulnerablecode.io/api/packages/77452?format=json","purl":"pkg:pypi/vyper@0.3.9","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-16p5-vc4s-27aq"},{"vulnerability":"VCID-1dy2-nw8w-f3fa"},{"vulnerability":"VCID-1qav-fvdc-37bh"},{"vulnerability":"VCID-2jz3-ddbn-qyc6"},{"vulnerability":"VCID-33m8-47bw-1ugj"},{"vulnerability":"VCID-5gfr-7g4h-kkdd"},{"vulnerability":"VCID-7z8b-9fnd-hfh7"},{"vulnerability":"VCID-8j58-b29e-4ubb"},{"vulnerability":"VCID-8qeq-6spq-kbch"},{"vulnerability":"VCID-9gzc-rrfc-8ue9"},{"vulnerability":"VCID-9n1v-uyy5-cfej"},{"vulnerability":"VCID-ah7u-fmtc-6uew"},{"vulnerability":"VCID-ca5r-by1f-hffx"},{"vulnerability":"VCID-ckru-wcma-ffbt"},{"vulnerability":"VCID-ek9p-xvab-13ek"},{"vulnerability":"VCID-eq36-zy9n-rqgc"},{"vulnerability":"VCID-fatn-6hfs-2yd6"},{"vulnerability":"VCID-fjrc-wmx6-qqgj"},{"vulnerability":"VCID-j2sf-e911-9qae"},{"vulnerability":"VCID-jwnr-pngn-dkg3"},{"vulnerability":"VCID-qbn3-4wb4-tuep"},{"vulnerability":"VCID-sbmf-6kuf-2kfs"},{"vulnerability":"VCID-usrs-w2cs-y7ax"},{"vulnerability":"VCID-ynxk-p4rx-j3fg"},{"vulnerability":"VCID-zjz2-dn14-huag"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/vyper@0.3.9"},{"url":"http://public2.vulnerablecode.io/api/packages/78007?format=json","purl":"pkg:pypi/vyper@0.3.10rc1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-16p5-vc4s-27aq"},{"vulnerability":"VCID-1qav-fvdc-37bh"},{"vulnerability":"VCID-2jz3-ddbn-qyc6"},{"vulnerability":"VCID-33m8-47bw-1ugj"},{"vulnerability":"VCID-5gfr-7g4h-kkdd"},{"vulnerability":"VCID-7z8b-9fnd-hfh7"},{"vulnerability":"VCID-8j58-b29e-4ubb"},{"vulnerability":"VCID-8qeq-6spq-kbch"},{"vulnerability":"VCID-9gzc-rrfc-8ue9"},{"vulnerability":"VCID-9n1v-uyy5-cfej"},{"vulnerability":"VCID-ah7u-fmtc-6uew"},{"vulnerability":"VCID-ca5r-by1f-hffx"},{"vulnerability":"VCID-ckru-wcma-ffbt"},{"vulnerability":"VCID-ek9p-xvab-13ek"},{"vulnerability":"VCID-eq36-zy9n-rqgc"},{"vulnerability":"VCID-fatn-6hfs-2yd6"},{"vulnerability":"VCID-j2sf-e911-9qae"},{"vulnerability":"VCID-jwnr-pngn-dkg3"},{"vulnerability":"VCID-qbn3-4wb4-tuep"},{"vulnerability":"VCID-usrs-w2cs-y7ax"},{"vulnerability":"VCID-ynxk-p4rx-j3fg"},{"vulnerability":"VCID-zjz2-dn14-huag"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/vyper@0.3.10rc1"},{"url":"http://public2.vulnerablecode.io/api/packages/782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