76 lines
3.5 KiB
JSON
76 lines
3.5 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-97033",
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"assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
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"state": "PUBLISHED",
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"assignerShortName": "Go",
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"dateReserved": "2026-09-23T23:04:33.594Z",
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"datePublished": "2026-11-11T03:13:17.601Z",
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"dateUpdated": "2026-11-11T03:13:17.601Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
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"shortName": "Go",
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"dateUpdated": "2026-11-11T03:13:17.601Z"
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},
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"title": "Unexpected code execution via --sysroot, -target, -isysroot, -Wl,-syslibroot, and -x cgo flags in cmd/go",
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"descriptions": [
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{
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"lang": "en",
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"value": "Building a malicious package that uses cgo could cause arbitrary code execution at build time through several compiler and linker flags permitted in \"#cgo\" directives. Specifically, \"--sysroot\" in GCC and Clang relocates compiler subprograms, spec files, and CRT startup objects to an attacker-controlled directory; \"-target\" in Clang falls back to executing target helper tools from the current working directory when not found in PATH; \"-isysroot\" and \"-Wl,-syslibroot\" can pass a regular file on disk to GNU ld.bfd, which interprets it as a positional linker script; and \"-x\" permitted specifying arbitrary compiler input languages beyond those supported by cgo. \"--sysroot\" and \"-target\" are now disallowed in \"#cgo\" flags, \"-isysroot\" and \"-Wl,-syslibroot\" are verified not to point to regular files, and \"-x\" is restricted to the C, C++, Objective-C, and assembler languages supported by cgo."
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}
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],
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"affected": [
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{
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"vendor": "Go toolchain",
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"product": "cmd/go",
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"collectionURL": "https://pkg.go.dev",
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"packageName": "cmd/go",
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"versions": [
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{
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"version": "0",
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"lessThan": "1.26.11",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "1.27.0-0",
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"lessThan": "1.27.4",
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"status": "affected",
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"versionType": "semver"
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}
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],
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"defaultStatus": "unaffected"
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"description": "CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')"
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}
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]
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}
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],
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"references": [
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{
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"url": "https://go.dev/cl/862146"
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},
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{
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"url": "https://go.dev/issue/82577"
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},
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{
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"url": "https://groups.google.com/g/golang-announce/c/iY8TY0wWgbM"
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},
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{
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"url": "https://pkg.go.dev/vuln/GO-2026-6858"
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}
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]
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}
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}
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} |