190 lines
8.1 KiB
JSON
190 lines
8.1 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveId": "CVE-2026-32854",
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"state": "PUBLISHED",
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"dateReserved": "2026-03-16T18:11:41.759Z",
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"datePublished": "2026-03-24T17:31:32.011Z",
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"dateUpdated": "2026-11-08T14:02:00.977Z"
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},
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"shortName": "VulnCheck",
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"dateUpdated": "2026-11-08T14:02:00.977Z"
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},
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"title": "LibVNCServer httpd proxy NULL Pointer Dereference",
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"descriptions": [
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{
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"lang": "en",
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"value": "LibVNCServer versions 0.9.15 and prior (fixed in commit dc78dee) contain null pointer dereference vulnerabilities in the HTTP proxy handlers within httpProcessInput() in httpd.c that allow remote attackers to cause a denial of service by sending specially crafted HTTP requests. Attackers can exploit missing validation of strchr() return values in the CONNECT and GET proxy handling paths to trigger null pointer dereferences and crash the server when httpd and proxy features are enabled.",
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"supportingMedia": [
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"type": "text/html",
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}
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]
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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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"cweId": "CWE-476",
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"description": "CWE-476 NULL pointer dereference",
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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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"affected": [
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{
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"vendor": "LibVNC",
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"product": "LibVNCServer",
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"repo": "https://github.com/LibVNC/libvncserver",
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"versions": [
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{
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"status": "affected",
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"version": "0",
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"lessThanOrEqual": "0.9.15",
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"versionType": "semver"
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},
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{
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"status": "unaffected",
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"version": "dc78dee51a7e270e537a541a17befdf2073f5314",
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"versionType": "git"
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}
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"versionEndIncluding": "0.9.15"
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}
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]
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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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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV4_0": {
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "PRESENT",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "LOW",
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"subAvailabilityImpact": "NONE",
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"exploitMaturity": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"valueDensity": "NOT_DEFINED",
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"vulnerabilityResponseEffort": "NOT_DEFINED",
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"providerUrgency": "NOT_DEFINED",
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"version": "4.0",
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"baseSeverity": "MEDIUM",
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"baseScore": 6.3,
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"
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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://github.com/LibVNC/libvncserver/security/advisories/GHSA-xjp8-4qqv-5x4x",
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"name": "GitHub Security Advisory (GHSA-xjp8-4qqv-5x4x)",
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"tags": [
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"vendor-advisory"
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]
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},
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{
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"url": "https://github.com/LibVNC/libvncserver/commit/dc78dee51a7e270e537a541a17befdf2073f5314",
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"tags": [
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"patch"
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]
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},
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{
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"url": "https://www.vulncheck.com/advisories/libvncserver-httpd-proxy-null-pointer-dereference",
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"tags": [
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"third-party-advisory"
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]
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "Kazuma Matsumoto, a security researcher at GMO Cybersecurity by IERAE, Inc.",
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"type": "finder"
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}
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],
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"source": {
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"discovery": "EXTERNAL"
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},
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"x_generator": {
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"engine": "Vulnogram 1.0.1"
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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": "2026-03-27T03:52:09.338985Z",
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"id": "CVE-2026-32854",
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"options": [
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{
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"Exploitation": "poc"
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},
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{
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"Automatable": "yes"
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},
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{
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"Technical Impact": "partial"
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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": "2026-03-27T03:52:19.164Z"
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}
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}
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]
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}
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} |