146 lines
6.0 KiB
JSON
146 lines
6.0 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-2026-64666",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-07-20T17:12:12.891Z",
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"datePublished": "2026-11-11T03:51:12.232Z",
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"dateUpdated": "2026-11-13T17:04:04.444Z"
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},
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"containers": {
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"cna": {
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"title": "pam_usb: getenv() in pusb_local_login bypasses XRDP deny via env-var unset",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-807",
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"lang": "en",
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"description": "CWE-807: Reliance on Untrusted Inputs in a Security Decision",
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"type": "CWE"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"attackComplexity": "LOW",
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"attackVector": "LOCAL",
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"availabilityImpact": "NONE",
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"baseScore": 7.1,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"privilegesRequired": "LOW",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
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"version": "3.1"
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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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"name": "https://github.com/mcdope/pam_usb/security/advisories/GHSA-ffx6-xjp6-x33g",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/mcdope/pam_usb/security/advisories/GHSA-ffx6-xjp6-x33g"
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},
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{
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"name": "https://github.com/mcdope/pam_usb/issues/410",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/mcdope/pam_usb/issues/410"
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},
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{
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"name": "https://github.com/mcdope/pam_usb/pull/417",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/mcdope/pam_usb/pull/417"
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},
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{
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"name": "https://github.com/mcdope/pam_usb/commit/0b179ed679d6522c6a571c5a8ae9bdc7edbad31f",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/mcdope/pam_usb/commit/0b179ed679d6522c6a571c5a8ae9bdc7edbad31f"
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},
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{
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"name": "https://github.com/mcdope/pam_usb/releases/tag/0.9.3",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/mcdope/pam_usb/releases/tag/0.9.3"
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}
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],
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"affected": [
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{
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"vendor": "mcdope",
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"product": "pam_usb",
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"versions": [
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{
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"version": "< 0.9.3",
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"status": "affected"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2026-11-11T03:51:12.232Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "pam_usb provides hardware authentication for Linux using removable media. Prior to version 0.9.3, src/local.c reads XRDP_SESSION with plain getenv(3) at the head of pusb_local_login while every other env consumer in the same function uses secure_getenv(3). When pam_usb.so loads into a setuid PAM host, the calling user controls the environment passed in. Clearing XRDP_SESSION before invoking the host bypasses the explicit XRDP-deny rule. Other remote-detection signals (rmsvc, evdev, loginctl, utmp) may still catch the session, but the env-based detection alone is defeated. This issue has been patched in version 0.9.3."
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}
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],
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"source": {
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"advisory": "GHSA-ffx6-xjp6-x33g",
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"discovery": "UNKNOWN"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-11-13T17:03:41.986185Z",
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"id": "CVE-2026-64666",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "total"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-11-13T17:04:04.444Z"
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}
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}
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]
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}
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} |