202 lines
7.5 KiB
JSON
202 lines
7.5 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-2026-0799",
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"assignerOrgId": "cfdbb673-b408-4d03-89c1-c3d73ed80896",
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"state": "PUBLISHED",
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"assignerShortName": "Tcpdump",
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"dateReserved": "2026-01-08T23:19:31.855Z",
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"datePublished": "2026-09-05T18:48:39.126Z",
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"dateUpdated": "2026-09-08T18:20:50.106Z"
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},
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"containers": {
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"cna": {
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"affected": [
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{
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"defaultStatus": "unaffected",
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"modules": [
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"BPF interpreter"
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],
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"product": "libpcap",
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"programFiles": [
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"bpf_filter.c"
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],
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"programRoutines": [
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{
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"name": "pcapint_filter_with_aux_data()"
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}
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],
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"repo": "https://github.com/the-tcpdump-group/libpcap/",
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"vendor": "The Tcpdump Group",
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"versions": [
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{
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"lessThan": "1.10.7",
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"status": "affected",
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"version": "0",
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"versionType": "semver"
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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": "The problem is specific to applications that use pcap_offline_filter() or bpf_filter() with an externally-supplied compiled filter program without validating the program first."
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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": "sponsor",
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"value": "Mozilla via the Secure Open Source program"
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},
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{
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"lang": "en",
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"type": "reporter",
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"value": "Include Security"
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},
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{
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"lang": "en",
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"type": "analyst",
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"value": "Denis Ovsienko"
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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": "In BPF instructions that load/store a value from/to a scratch memory register the register index is an unsigned 32-bit integer and must not exceed 15, but libpcap BPF interpreter does not validate the value. In particular uncommon use cases a crafted filter program can cause the interpreter to try reading and writing the OS process memory in the 16GiB starting at the current stack frame on 64-bit architectures and in the entire address space on 32-bit architectures."
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}
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],
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"exploits": [
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{
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"lang": "en",
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"value": "A functional exploit exists."
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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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"attackComplexity": "LOW",
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"attackVector": "LOCAL",
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"availabilityImpact": "HIGH",
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"baseScore": 8.7,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "LOW",
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"integrityImpact": "HIGH",
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"privilegesRequired": "LOW",
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"scope": "CHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H",
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"version": "3.1"
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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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}
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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-129",
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"description": "CWE-129 Improper Validation of Array Index",
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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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"descriptions": [
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{
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"cweId": "CWE-125",
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"description": "CWE-125 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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"descriptions": [
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{
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"cweId": "CWE-787",
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"description": "CWE-787 Out-of-bounds Write",
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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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"orgId": "cfdbb673-b408-4d03-89c1-c3d73ed80896",
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"shortName": "Tcpdump",
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"dateUpdated": "2026-09-05T18:48:39.126Z"
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},
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"references": [
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{
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"tags": [
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"patch"
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],
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"url": "https://github.com/the-tcpdump-group/libpcap/commit/48e8960a7108e9e828f9d7bdc7e97bdab841aec7"
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}
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],
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"solutions": [
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{
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"lang": "en",
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"value": "Upgrade to libpcap 1.10.7."
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}
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],
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"source": {
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"discovery": "EXTERNAL"
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},
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"title": "OOBR and OOBW in libpcap before 1.10.7",
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"workarounds": [
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{
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"lang": "en",
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"value": "Validate every filter program that has not been produced by a local call to pcap_compile()."
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}
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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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"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": "2026-09-08T18:20:35.280967Z",
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"id": "CVE-2026-0799",
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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": "2026-09-08T18:20:50.106Z"
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}
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}
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]
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}
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} |