182 lines
7.7 KiB
JSON
182 lines
7.7 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-2026-71401",
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"assignerOrgId": "404e59f5-483d-4b8a-8e7a-e67604dd8afb",
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"state": "PUBLISHED",
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"assignerShortName": "suse",
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"dateReserved": "2026-08-06T11:38:54.896Z",
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"datePublished": "2026-08-27T15:01:27.342Z",
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"dateUpdated": "2026-08-27T19:31:06.894Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "404e59f5-483d-4b8a-8e7a-e67604dd8afb",
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"shortName": "suse",
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"dateUpdated": "2026-08-27T15:01:27.342Z"
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},
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"title": "wicked: integer underflow of the UDP length in ni_capture_inspect_udp_header() leads to an out-of-bounds read",
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"datePublic": "2026-08-27T14:56:00.000Z",
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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-191",
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"description": "CWE-191 Integer underflow (wrap or wraparound)",
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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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"impacts": [
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{
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"capecId": "CAPEC-92",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-92 Forced Integer Overflow"
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}
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]
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},
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{
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"capecId": "CAPEC-540",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-540 Overread Buffers"
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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": "SUSE",
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"product": "wicked",
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"packageName": "wicked",
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"repo": "https://github.com/openSUSE/wicked",
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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": "0.6.80",
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"versionType": "semver"
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}
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],
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"defaultStatus": "unaffected"
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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 integer underflow was found in the DHCPv4 packet capture code of wicked. ni_capture_inspect_udp_header() in src/capture.c does not verify that the IP total length field (ip_len) is at least as large as the IP header length (ihl) before subtracting the header length. An unauthenticated attacker on the same network can thereby trigger an out-of-bounds read past the receive buffer in the wicked DHCPv4 client (wickedd-dhcp4), which can crash the daemon depending on the process memory layout. No information disclosure has been demonstrated. This issue affects wicked up to and including version 0.6.80.",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "An integer underflow was found in the DHCPv4 packet capture code of wicked. ni_capture_inspect_udp_header() in src/capture.c does not verify that the IP total length field (ip_len) is at least as large as the IP header length (ihl) before subtracting the header length. An unauthenticated attacker on the same network can thereby trigger an out-of-bounds read past the receive buffer in the wicked DHCPv4 client (wickedd-dhcp4), which can crash the daemon depending on the process memory layout. No information disclosure has been demonstrated. This issue affects wicked up to and including version 0.6.80."
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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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{
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"url": "https://bugzilla.suse.com/show_bug.cgi?id=1274627",
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"tags": [
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"issue-tracking"
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]
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},
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{
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"url": "https://github.com/openSUSE/wicked/pull/1079",
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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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"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": "ADJACENT",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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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": 5.3,
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"vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/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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"credits": [
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{
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"lang": "en",
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"value": "Daniel Birtwhistle",
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"type": "finder"
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}
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],
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"source": {
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"discovery": "UNKNOWN"
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},
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"x_generator": {
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"engine": "Vulnogram 1.0.5"
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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": "2026-08-27T19:30:57.920125Z",
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"id": "CVE-2026-71401",
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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": "2026-08-27T19:31:06.894Z"
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}
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}
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]
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}
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} |