158 lines
6.6 KiB
JSON
158 lines
6.6 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-2023-34323",
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"assignerOrgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
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"state": "PUBLISHED",
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"assignerShortName": "XEN",
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"dateReserved": "2023-06-01T10:44:17.065Z",
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"datePublished": "2024-01-05T16:30:32.305Z",
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"dateUpdated": "2025-11-04T19:16:36.587Z"
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},
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"containers": {
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"cna": {
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"title": "xenstored: A transaction conflict can crash C Xenstored",
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"datePublic": "2023-10-10T11:26:00.000Z",
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"descriptions": [
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{
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"lang": "en",
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"value": "When a transaction is committed, C Xenstored will first check\nthe quota is correct before attempting to commit any nodes. It would\nbe possible that accounting is temporarily negative if a node has\nbeen removed outside of the transaction.\n\nUnfortunately, some versions of C Xenstored are assuming that the\nquota cannot be negative and are using assert() to confirm it. This\nwill lead to C Xenstored crash when tools are built without -DNDEBUG\n(this is the default).\n"
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}
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],
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"impacts": [
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{
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"descriptions": [
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{
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"lang": "en",
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"value": "A malicious guest could craft a transaction that will hit the C\nXenstored bug and crash it. This will result to the inability to\nperform any further domain administration like starting new guests,\nor adding/removing resources to or from any existing guest.\n"
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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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"defaultStatus": "unknown",
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"product": "Xen",
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"vendor": "Xen",
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"versions": [
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{
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"status": "unknown",
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"version": "consult Xen advisory XSA-440"
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}
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]
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}
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],
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"configurations": [
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{
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"lang": "en",
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"value": "All versions of Xen up to and including 4.17 are vulnerable if XSA-326\nwas ingested.\n\nAll Xen systems using C Xenstored are vulnerable. C Xenstored built\nusing -DNDEBUG (can be specified via EXTRA_CFLAGS_XEN_TOOLS=-DNDEBUG)\nare not vulnerable. Systems using the OCaml variant of Xenstored are\nnot vulnerable.\n"
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}
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],
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"workarounds": [
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{
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"lang": "en",
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"value": "The problem can be avoided by using OCaml Xenstored variant.\n"
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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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"type": "finder",
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"value": "This issue was discovered by Stanislav Uschakow and Julien Grall, all\nfrom Amazon.\n"
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}
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],
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"references": [
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{
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"url": "https://xenbits.xenproject.org/xsa/advisory-440.html"
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}
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],
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"providerMetadata": {
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"orgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
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"shortName": "XEN",
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"dateUpdated": "2024-01-05T16:30:32.305Z"
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}
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},
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"adp": [
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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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"url": "https://xenbits.xenproject.org/xsa/advisory-440.html",
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"tags": [
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"x_transferred"
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]
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},
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{
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"url": "http://xenbits.xen.org/xsa/advisory-440.html"
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}
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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": "2025-11-04T19:16:36.587Z"
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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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"type": "CWE",
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"cweId": "CWE-476",
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"lang": "en",
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"description": "CWE-476 NULL Pointer Dereference"
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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": 5.5,
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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:N/I:N/A:H",
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"integrityImpact": "NONE",
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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": "NONE"
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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": "2024-01-09T16:40:56.610734Z",
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"id": "CVE-2023-34323",
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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": "2025-06-18T15:46:24.091Z"
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}
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}
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]
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}
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} |