170 lines
6.6 KiB
JSON
170 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-2026-0708",
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"assignerOrgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5",
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"state": "PUBLISHED",
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"assignerShortName": "fedora",
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"dateReserved": "2026-01-08T03:31:35.226Z",
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"datePublished": "2026-03-17T02:28:08.429Z",
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"dateUpdated": "2026-03-17T13:26:47.057Z"
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},
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"containers": {
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"cna": {
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"title": "Libucl: libucl: denial of service via embedded null byte in ucl input",
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"descriptions": [
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{
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"lang": "en",
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"value": "A flaw was found in libucl. A remote attacker could exploit this by providing a specially crafted Universal Configuration Language (UCL) input that contains a key with an embedded null byte. This can cause a segmentation fault (SEGV fault) in the `ucl_object_emit` function when parsing and emitting the object, leading to a Denial of Service (DoS) for the affected system."
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}
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],
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"affected": [
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{
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"vendor": "libucl",
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"product": "libucl",
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"versions": [
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{
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"status": "affected",
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"version": "3e7f023e184e06f30fb5792dacd9dd0f8b692f1b",
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"versionType": "git"
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}
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],
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"packageName": "libucl",
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"collectionURL": "https://github.com/vstakhov/libucl",
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"defaultStatus": "unknown"
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}
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],
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"references": [
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{
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"url": "https://access.redhat.com/security/cve/CVE-2026-0708",
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"tags": [
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"vdb-entry",
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"x_refsource_REDHAT"
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]
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},
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{
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2427770",
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"name": "RHBZ#2427770",
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"tags": [
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"issue-tracking",
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"x_refsource_REDHAT"
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]
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},
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{
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"url": "https://github.com/vstakhov/libucl/issues/323"
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}
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],
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"metrics": [
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{
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"other": {
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"content": {
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"value": "Important",
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"namespace": "https://access.redhat.com/security/updates/classification/"
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},
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"type": "Red Hat severity rating"
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}
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},
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{
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"cvssV3_1": {
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"attackComplexity": "LOW",
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"attackVector": "NETWORK",
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"availabilityImpact": "HIGH",
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"baseScore": 8.3,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "LOW",
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"privilegesRequired": "NONE",
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"scope": "UNCHANGED",
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"userInteraction": "REQUIRED",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:H",
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"version": "3.1"
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},
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"format": "CVSS"
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}
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],
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"datePublic": "2025-05-15T00:00:00.000Z",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-125",
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"description": "Out-of-bounds Read",
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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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"x_redhatCweChain": "CWE-125: Out-of-bounds Read",
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"workarounds": [
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{
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"lang": "en",
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"value": "To mitigate this issue, applications utilizing `libucl` should avoid processing untrusted input that contains keys with embedded null bytes, especially when operating in `UCL_PARSER_ZEROCOPY` mode. Restricting input to trusted sources can reduce exposure."
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}
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],
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"timeline": [
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{
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"lang": "en",
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"time": "2026-01-08T03:30:46.275Z",
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"value": "Reported to Red Hat."
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},
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{
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"lang": "en",
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"time": "2025-05-15T00:00:00.000Z",
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"value": "Made public."
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}
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],
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"providerMetadata": {
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"orgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5",
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"shortName": "fedora",
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"dateUpdated": "2026-03-17T11:38:51.414Z"
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},
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"x_generator": {
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"engine": "cvelib 1.8.0"
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}
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},
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"adp": [
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{
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"references": [
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{
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"url": "https://github.com/vstakhov/libucl/issues/323",
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"tags": [
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"exploit"
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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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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-03-17T13:26:43.148913Z",
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"id": "CVE-2026-0708",
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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": "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": "2026-03-17T13:26:47.057Z"
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}
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}
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]
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}
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} |