JuniperCVELIST:CVE-2023-28984CVE-2023-28984 Junos OS: QFX Series: The PFE may crash when a lot of MAC addresses are being learned and aged
CVSS3
Attack Vector
ADJACENT
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
19.6%
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.
CNA Affected
[
{
"vendor": "Juniper Networks",
"product": "Junos OS",
"versions": [
{
"version": "unspecified",
"lessThan": "19.4R3-S10",
"status": "affected",
"versionType": "custom"
},
{
"version": "20.2",
"status": "affected",
"lessThan": "20.2R3-S7",
"versionType": "custom"
},
{
"version": "20.3",
"status": "affected",
"lessThan": "20.3R3-S6",
"versionType": "custom"
},
{
"version": "20.4",
"status": "affected",
"lessThan": "20.4R3-S5",
"versionType": "custom"
},
{
"version": "21.1",
"status": "affected",
"lessThan": "21.1R3-S4",
"versionType": "custom"
},
{
"version": "21.2",
"status": "affected",
"lessThan": "21.2R3-S3",
"versionType": "custom"
},
{
"version": "21.3",
"status": "affected",
"lessThan": "21.3R3-S3",
"versionType": "custom"
},
{
"version": "21.4",
"status": "affected",
"lessThan": "21.4R3",
"versionType": "custom"
},
{
"version": "22.1",
"status": "affected",
"lessThan": "22.1R3",
"versionType": "custom"
},
{
"version": "22.2",
"status": "affected",
"lessThan": "22.2R2",
"versionType": "custom"
}
],
"platforms": [
"QFX Series"
]
}
]References
Related
CVSS3
Attack Vector
ADJACENT
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
19.6%