189 lines
8.3 KiB
JSON
189 lines
8.3 KiB
JSON
{
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"containers": {
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"cna": {
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"affected": [
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{
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"product": "wayland",
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"vendor": "n/a",
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"versions": [
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{
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"status": "affected",
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"version": "wayland 1.20.91"
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}
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]
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "An internal reference count is held on the buffer pool, incremented every time a new buffer is created from the pool. The reference count is maintained as an int; on LP64 systems this can cause the reference count to overflow if the client creates a large number of wl_shm buffer objects, or if it can coerce the server to create a large number of external references to the buffer storage. With the reference count overflowing, a use-after-free can be constructed on the wl_shm_pool tracking structure, where values may be incremented or decremented; it may also be possible to construct a limited oracle to leak 4 bytes of server-side memory to the attacking client at a time."
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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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"cweId": "CWE-190",
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"description": "(CWE-190|CWE-911)->CWE-416",
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"lang": "en",
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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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"providerMetadata": {
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"dateUpdated": "2022-09-23T15:26:59.000Z",
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"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
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"shortName": "redhat"
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},
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"references": [
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{
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://gitlab.freedesktop.org/wayland/wayland/-/issues/224"
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}
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],
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"x_legacyV4Record": {
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"CVE_data_meta": {
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"ASSIGNER": "secalert@redhat.com",
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"ID": "CVE-2021-3782",
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"STATE": "PUBLIC"
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},
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"affects": {
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"vendor": {
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"vendor_data": [
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{
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"product": {
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"product_data": [
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{
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"product_name": "wayland",
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"version": {
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"version_data": [
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{
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"version_value": "wayland 1.20.91"
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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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"vendor_name": "n/a"
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}
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]
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}
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},
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"data_format": "MITRE",
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"data_type": "CVE",
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"data_version": "4.0",
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"description": {
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"description_data": [
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{
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"lang": "eng",
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"value": "An internal reference count is held on the buffer pool, incremented every time a new buffer is created from the pool. The reference count is maintained as an int; on LP64 systems this can cause the reference count to overflow if the client creates a large number of wl_shm buffer objects, or if it can coerce the server to create a large number of external references to the buffer storage. With the reference count overflowing, a use-after-free can be constructed on the wl_shm_pool tracking structure, where values may be incremented or decremented; it may also be possible to construct a limited oracle to leak 4 bytes of server-side memory to the attacking client at a time."
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}
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]
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},
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"problemtype": {
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"problemtype_data": [
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{
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"description": [
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{
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"lang": "eng",
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"value": "(CWE-190|CWE-911)->CWE-416"
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}
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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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"reference_data": [
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{
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"name": "https://gitlab.freedesktop.org/wayland/wayland/-/issues/224",
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"refsource": "MISC",
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"url": "https://gitlab.freedesktop.org/wayland/wayland/-/issues/224"
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}
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]
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}
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}
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},
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"adp": [
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{
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2024-08-03T17:09:08.931Z"
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},
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"title": "CVE Program Container",
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"references": [
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{
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"tags": [
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"x_refsource_MISC",
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"x_transferred"
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],
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"url": "https://gitlab.freedesktop.org/wayland/wayland/-/issues/224"
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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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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 6.6,
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"attackVector": "LOCAL",
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"baseSeverity": "MEDIUM",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H",
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"integrityImpact": "LOW",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"availabilityImpact": "HIGH",
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"privilegesRequired": "LOW",
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"confidentialityImpact": "LOW"
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}
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},
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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": "2025-05-22T18:20:59.707899Z",
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"id": "CVE-2021-3782",
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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": "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": "2025-05-22T18:21:26.824Z"
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}
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}
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]
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},
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"cveMetadata": {
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"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
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"assignerShortName": "redhat",
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"cveId": "CVE-2021-3782",
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"datePublished": "2022-09-23T15:26:59.000Z",
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"dateReserved": "2021-09-09T00:00:00.000Z",
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"dateUpdated": "2025-05-22T18:21:26.824Z",
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"state": "PUBLISHED"
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},
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"dataType": "CVE_RECORD",
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"dataVersion": "5.1"
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} |