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2023-04-24 12:24:31 +02:00
{
"id": "CVE-2023-28984",
"sourceIdentifier": "sirt@juniper.net",
"published": "2023-04-17T22:15:09.877",
"lastModified": "2023-04-18T03:15:28.387",
"vulnStatus": "Awaiting Analysis",
"descriptions": [
{
"lang": "en",
"value": "A Use After Free vulnerability in the Layer 2 Address Learning Manager (l2alm) of Juniper Networks Junos OS on QFX Series allows an adjacent attacker to cause the Packet Forwarding Engine to crash and restart, leading to a Denial of Service (DoS). The PFE may crash when a lot of MAC learning and aging happens, but due to a Race Condition (Concurrent Execution using Shared Resource with Improper Synchronization) that is outside the attackers direct control. This issue affects: Juniper Networks Junos OS versions prior to 19.4R3-S10 on QFX Series; 20.2 versions prior to 20.2R3-S7 on QFX Series; 20.3 versions prior to 20.3R3-S6 on QFX Series; 20.4 versions prior to 20.4R3-S5 on QFX Series; 21.1 versions prior to 21.1R3-S4 on QFX Series; 21.2 versions prior to 21.2R3-S3 on QFX Series; 21.3 versions prior to 21.3R3-S3 on QFX Series; 21.4 versions prior to 21.4R3 on QFX Series; 22.1 versions prior to 22.1R3 on QFX Series; 22.2 versions prior to 22.2R2 on QFX Series."
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "sirt@juniper.net",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"attackVector": "ADJACENT_NETWORK",
"attackComplexity": "HIGH",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH",
"baseScore": 5.3,
"baseSeverity": "MEDIUM"
},
"exploitabilityScore": 1.6,
"impactScore": 3.6
}
]
},
"weaknesses": [
{
"source": "sirt@juniper.net",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-362"
},
{
"lang": "en",
"value": "CWE-416"
}
]
}
],
"references": [
{
"url": "https://supportportal.juniper.net/JSA70610",
"source": "sirt@juniper.net"
}
]
}