163 lines
6.6 KiB
JSON
163 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-2026-15432",
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"assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778",
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"state": "PUBLISHED",
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"assignerShortName": "Google",
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"dateReserved": "2026-07-10T17:38:15.752Z",
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"datePublished": "2026-07-21T16:42:12.113Z",
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"dateUpdated": "2026-07-22T18:27:24.251Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "14ed7db2-1595-443d-9d34-6215bf890778",
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"shortName": "Google",
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"dateUpdated": "2026-07-21T16:42:12.113Z"
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},
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"title": "Observable Timing Discrepancy in Tink-Java and Tink-Android ChunkedMacVerification",
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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-208",
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"description": "CWE-208 Observable Timing Discrepancy",
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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-172",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-172 Manipulate Timing and State"
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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": "Google",
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"product": "Tink-Java",
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"versions": [
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{
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"status": "affected",
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"version": "All releases before 1.21.0, including 1.21.0."
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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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"vendor": "Google",
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"product": "Tink-Android",
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"versions": [
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{
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"status": "affected",
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"version": "All releases before 1.21.0, including 1.21.0."
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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": "When verifying a mac with a ChunkedMacVerification object, Tink compares the resulting tag with non constant time comparison. This potentially allows an attacker to use timinig information as a side channel in order to get information how many bytes of a given tag match the correct tag. This in turn could allow to find a correct tag bytewise.",
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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": "When verifying a mac with a ChunkedMacVerification object, Tink compares the resulting tag with non constant time comparison. This potentially allows an attacker to use timinig information as a side channel in order to get information how many bytes of a given tag match the correct tag. This in turn could allow to find a correct tag bytewise."
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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://github.com/tink-crypto/tink-java/issues/75"
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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": "HIGH",
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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": "HIGH",
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"subIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "NONE",
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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": "HIGH",
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"baseScore": 8.2,
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"vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"
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}
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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 1.0.2"
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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": "2026-07-22T18:13:38.102550Z",
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"id": "CVE-2026-15432",
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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": "2026-07-22T18:27:24.251Z"
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}
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}
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]
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}
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} |