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CVE-2022-22211— Junos OS Evolved: PTX Series: Multiple FPCs become unreachable due to continuous polling of specific SNMP OID

CVSS 7.5 · High EPSS 0.33% · P56
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I. Basic Information for CVE-2022-22211

Vulnerability Information
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Vulnerability Title
Junos OS Evolved: PTX Series: Multiple FPCs become unreachable due to continuous polling of specific SNMP OID
Source: NVD (National Vulnerability Database)
Vulnerability Description
A limitless resource allocation vulnerability in FPC resources of Juniper Networks Junos OS Evolved on PTX Series allows an unprivileged attacker to cause Denial of Service (DoS). Continuously polling the SNMP jnxCosQstatTable causes the FPC to run out of GUID space, causing a Denial of Service to the FPC resources. When the FPC runs out of the GUID space, you will see the following syslog messages. The evo-aftmand-bt process is asserting. fpc1 evo-aftmand-bt[17556]: %USER-3: get_next_guid: Ran out of Guid Space start 1748051689472 end 1752346656767 fpc1 audit[17556]: %AUTH-5: ANOM_ABEND auid=4294967295 uid=0 gid=0 ses=4294967295 pid=17556 comm="EvoAftManBt-mai" exe="/usr/sbin/evo-aftmand-bt" sig=6 fpc1 kernel: %KERN-5: audit: type=1701 audit(1648567505.119:57): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=17556 comm="EvoAftManBt-mai" exe="/usr/sbin/evo-aftmand-bt" sig=6 fpc1 emfd-fpa[14438]: %USER-5: Alarm set: APP color=red, class=CHASSIS, reason=Application evo-aftmand-bt fail on node Fpc1 fpc1 emfd-fpa[14438]: %USER-3-EMF_FPA_ALARM_REP: RaiseAlarm: Alarm(Location: /Chassis[0]/Fpc[1] Module: sysman Object: evo-aftmand-bt:0 Error: 2) reported fpc1 sysepochman[12738]: %USER-5-SYSTEM_REBOOT_EVENT: Reboot [node] [ungraceful reboot] [evo-aftmand-bt exited] The FPC resources can be monitored using the following commands: user@router> start shell [vrf:none] user@router-re0:~$ cli -c "show platform application-info allocations app evo-aftmand-bt" | grep ^fpc | grep -v Route | grep -i -v Nexthop | awk '{total[$1] += $5} END { for (key in total) { print key " " total[key]/4294967296 }}' Once the FPCs become unreachable they must be manually restarted as they do not self-recover. This issue affects Juniper Networks Junos OS Evolved on PTX Series: All versions prior to 20.4R3-S4-EVO; 21.1-EVO version 21.1R1-EVO and later versions; 21.2-EVO version 21.2R1-EVO and later versions; 21.3-EVO versions prior to 21.3R3-EVO; 21.4-EVO versions prior to 21.4R2-EVO; 22.1-EVO versions prior to 22.1R2-EVO.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Juniper Networks Junos OS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Juniper Networks Junos OS是美国瞻博网络（Juniper Networks）公司的一套专用于该公司的硬件设备的网络操作系统。该操作系统提供了安全编程接口和Junos SDK。 Juniper Networks Junos OS 存在安全漏洞。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
Juniper NetworksJunos OS Evolved unspecified ~ 20.4R3-S4-EVO -

II. Public POCs for CVE-2022-22211

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III. Intelligence Information for CVE-2022-22211

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Same Patch Batch · Juniper Networks · 2022-10-18 · 36 CVEs total

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CVE-2022-221927.5 HIGHJunos OS Evolved: PTX Series: An attacker can cause a kernel panic by sending a malformed
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CVE-2022-222236.5 MEDIUMJunos OS: QFX10000 Series: In IP/MPLS PHP node scenarios upon receipt of certain crafted p
CVE-2022-222246.5 MEDIUMJunos OS and Junos OS Evolved: PPMD goes into infinite loop upon receipt of malformed OSPF
CVE-2022-222266.5 MEDIUMJunos OS: EX4300-MP, EX4600, QFX5000 Series: In VxLAN scenarios specific packets processed
CVE-2022-222306.5 MEDIUMJunos OS and Junos OS Evolved: RPD crash upon receipt of specific OSPFv3 LSAs
CVE-2022-222506.5 MEDIUMJunos OS and Junos OS Evolved: An FPC crash might be seen due to an EVPN MAC entry moving
CVE-2022-222376.5 MEDIUMJunos OS: Peers not configured for TCP-AO can establish a BGP or LDP session even if authe

Showing top 20 of 36 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Junos OS Evolved
Same vendor: Juniper Networks

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