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https://github.com/fkie-cad/nvd-json-data-feeds.git
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59 lines
2.2 KiB
JSON
59 lines
2.2 KiB
JSON
{
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"id": "CVE-2023-37459",
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"sourceIdentifier": "security-advisories@github.com",
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"published": "2023-09-15T20:15:08.650",
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"lastModified": "2023-09-15T20:15:08.650",
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"vulnStatus": "Received",
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"descriptions": [
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{
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"lang": "en",
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"value": "Contiki-NG is an operating system for internet-of-things devices. In versions 4.9 and prior, when a packet is received, the Contiki-NG network stack attempts to start the periodic TCP timer if it is a TCP packet with the SYN flag set. But the implementation does not first verify that a full TCP header has been received. Specifically, the implementation attempts to access the flags field from the TCP buffer in the following conditional expression in the `check_for_tcp_syn` function. For this reason, an attacker can inject a truncated TCP packet, which will lead to an out-of-bound read from the packet buffer. As of time of publication, a patched version is not available. As a workaround, one can apply the changes in Contiki-NG pull request #2510 to patch the system."
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}
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],
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"metrics": {
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"cvssMetricV31": [
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{
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"source": "security-advisories@github.com",
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"type": "Secondary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "LOW",
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"integrityImpact": "NONE",
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"availabilityImpact": "NONE",
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"baseScore": 5.3,
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"baseSeverity": "MEDIUM"
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},
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"exploitabilityScore": 3.9,
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"impactScore": 1.4
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}
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]
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},
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"weaknesses": [
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{
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"source": "security-advisories@github.com",
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"type": "Primary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-125"
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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/contiki-ng/contiki-ng/pull/2510",
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"source": "security-advisories@github.com"
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},
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{
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"url": "https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-6648-m23r-hq8c",
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"source": "security-advisories@github.com"
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}
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]
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} |