Alert Type
SRN - Software Release Notification
Product Affected
ACX, EX, MX, PTX, QFX, NFX, SRX, VRR, vMX, vSRX
Alert Description
Junos Software Service Release version 18.3R2-S4 is now available for download from the Junos software download site
Download Junos Software Service Release:
Go to
Junos Platforms - Download Software page
Input your product in the "Find a Product" search box
From the Type/OS drop-down menu, select
Junos SR
From the Version drop-down menu, select your version
Click the Software tab
Select the Install Package as need and follow the prompts
Solution
Warning
: With VPLS/Bridge-Domain environment, an MX/EX9200 Series router with Trio-based MPCs. The MPCs may experience NH memory leak in the PFEs when using integrated routing and bridging (IRB) interface participating in the VPLS/Bridge-domain instance.
Junos Software service Release version 18.3R2-S4 is now available.
18.3R2-S4 - List of Fixed issues
PR Number
Synopsis
Category: EX4300 Platform
1502726
On the EX4300 device, traffic loss might be seen with framing errors or runts if MACsec is configured.
Product-Group=junos
On EX4300 platform with Media Access Control Security (MACsec) configured, if there is high traffic flowing through the MACsec enabled link, increasing framing errors or runts statistics might be seen in the output of "show interfaces extensive <>" for the affected interface. Traffic loss might also happen due to this issue.
PR Number
Synopsis
Category: EX2300/3400 platform
1477165
EX3400 me0 interface might remain down
Product-Group=junos
The me0 interface of EX3400 does not come up when connected to 100m speed interface.
PR Number
Synopsis
Category: QFX Access control list
1521763
Firewall "sample" configuration gives the warning as unsupported on QFX10002-36q and will not work.
Product-Group=junos
On QFX10002-36q, when inline-jflow is configured, the IPv4 firewall filter with 'sample' action gives a waring "unsupported platform" and will not work. On the other hand, the IPv6 firewall filter with 'sample' action will still work as expected.
PR Number
Synopsis
Category: QFX PFE L2
1474142
Traffic might get affected if the composite next-hop is enabled.
Product-Group=junos
On QFX5000 and EX4600 platforms with composite next hop enabled, traffic loss would occur when deleting leaked routes with composite next hop.
PR Number
Synopsis
Category: JUNOS kernel/ukernel changes for ACX
1509402
PFE crash might be seen and the FPC may remain down on ACX710 platform
Product-Group=junos
On ACX710 platform, after the PTP(Precision Time Protocol) configuration is removed and the router is rebooted, the PFE might crash and the FPC remains down if PTP traffic is still coming into the router. This issue might also happen when SyncE is configured. This causes the router to crash and not come up.
PR Number
Synopsis
Category: common or misc area for SRX product
1490181
SRX1500 and SRX4K devices might boot up with rescue configuration after a power outage occurs
Product-Group=junos
After a power outage occurs, SRX1500 and SRX4K devices might load rescue configuration in order to boot up successfully.
PR Number
Synopsis
Category: Border Gateway Protocol
1481641
Junos OS and Junos OS Evolved: RPD crash due to specific BGP UPDATE packets (CVE-2020-1644)
Product-Group=junos
On Juniper Networks Junos OS and Junos OS Evolved devices, the receipt of a specific BGP UPDATE packet causes an internal counter to be incremented incorrectly, which over time can lead to the routing protocols process (RPD) crash and restart. Please refer to https://kb.juniper.net/
JSA11032
[juniper.net]
for more information.
1497721
Junos OS: Receipt of certain genuine BGP packets from any BGP Speaker causes RPD to crash. (CVE-2020-1640)
Product-Group=junos
An improper use of a validation framework when processing incoming genuine BGP packets within Juniper Networks RPD (routing protocols process) daemon allows an attacker to crash RPD thereby causing a Denial of Service (DoS) condition. Refer to https://kb.juniper.net/
JSA11024
[juniper.net]
for more information.
PR Number
Synopsis
Category: OpenSSL and related subsystems
1479780
OpenSSL Security Advisory [20 Dec 2019]
Product-Group=junos
The OpenSSL project has published a security advisory for a vulnerability resolved in the OpenSSL library on December 20, 2019. Refer to https://kb.juniper.net/
JSA11025
[juniper.net]
for more information.
PR Number
Synopsis
Category: Express PFE L2 fwding Features
1427994
The dcpfe process might crash and restart in MC-LAG scenario when the ARP/NDP next-hop is changed
Product-Group=junos
On QFX10002/QFX10008/QFX10016 Series platforms with enhanced MC-LAG scenario, the dcpfe process might crash and restart if the ARP/NDP next-hop is changed.
PR Number
Synopsis
Category: Flow Module
1465286
SRX Series: Double free vulnerability can lead to DoS or remote code execution due to the processing of a specific HTTP message when ICAP redirect service is enabled (CVE-2020-1647)
Product-Group=junos
On Juniper Networks SRX Series with ICAP (Internet Content Adaptation Protocol) redirect service enabled, a double free vulnerability can lead to a Denial of Service (DoS) or Remote Code Execution (RCE) due to processing of a specific HTTP message. Refer to https://kb.juniper.net/
JSA11034
[juniper.net]
for more information.
PR Number
Synopsis
Category: JSR Application Services
1460035
Junos OS: SRX Series: processing a malformed HTTP message when ICAP redirect service is enabled may can lead to flowd process crash or remote code execution (CVE-2020-1654)
Product-Group=junos
On Juniper Networks SRX Series with ICAP (Internet Content Adaptation Protocol) redirect service enabled, processing a malformed HTTP message can lead to a Denial of Service (DoS) or Remote Code Execution (RCE). Refer to https://kb.juniper.net/
JSA11031
[juniper.net]
for more information.
PR Number
Synopsis
Category: Security platform jweb support
1499280
Junos OS: Security vulnerability in J-Web and web-based (HTTP/HTTPS) services
Product-Group=junos
Junos OS: Security vulnerability in J-Web and web-based (HTTP/HTTPS) services (CVE-2020-1631). Refer to https://kb.juniper.net/
JSA11021
[juniper.net]
for more information.
PR Number
Synopsis
Category: Layer2 forwarding on EX/NTF/PTX/QFX
1406691
Some interfaces of aggregated Ethernet bundle might go to the Detached state after the bulk configurations change.
Product-Group=junos
On QFX5000 platforms with scaled setup of the aggregated Ethernet (ae) bundles and VLANs, if Link Aggregation Control Protocol (LACP) is enabled, and there are scaled configuration changes, for example, delete 4000 VLANS/VXLANs and reapply them again, some interfaces of ae bundle might go to the detached state. Due to this issue, the running routing protocols (for example, LACP and BGP) will go down over the affected ae bundles.
PR Number
Synopsis
Category: Multiprotocol Label Switching
1517018
The rpd might crash after upgrading Junos software release from pre 18.1 to 18.1 onwards
Product-Group=junos
On all Junos platforms, the rpd might continuously crash after upgrading Junos software release from pre 18.1 to 18.1 onwards while graceful-restart and RSVP/static LSP are configured. This is because there is a change in the data structure written to the restart db file from 18.1 onwards. So, when rpd comes up and tries to read the restart db file written by pre 18.1 release image, the rpd might crash.
PR Number
Synopsis
Category: DNS filtering on MX.
1474056
Junos OS: MX Series: Services card might restart when DNS filtering is enabled (CVE-2020-1645)
Product-Group=junos
When DNS filtering is enabled on Juniper Networks Junos MX Series with one of the following cards MS-PIC, MS-MIC or MS-MPC, an incoming stream of packets processed by the Multiservices PIC Management Daemon (mspmand) process, responsible for managing "URL Filtering service", may crash, causing the Services PIC to restart. Refer to https://kb.juniper.net/
JSA11028
[juniper.net]
for more information.
PR Number
Synopsis
Category: OS IPv4/ARP/ICMPv4
1468183
Junos OS: Kernel crash (vmcore) or FPC crash due to mbuf leak (CVE-2020-1653)
Product-Group=junos
On Juniper Networks Junos OS devices, a stream of TCP packets sent to the Routing Engine (RE) may cause mbuf leak which can lead to Flexible PIC Concentrator (FPC) crash or the system to crash and restart (vmcore). Refer to https://kb.juniper.net/
JSA11040
[juniper.net]
for more information.
PR Number
Synopsis
Category: FreeBSD Kernel Infrastructure
1505864
The installation fails when upgrading from legacy Junos to specific BSDx based Junos
Product-Group=junos
The installation might fail when upgrading from legacy Junos (before Junos 15.1) to higher BSDx based Junos releases (Junos 15.1 and after).
1518898
The kernel might crash if a file/directory is accessed for the first time and is not created locally
Product-Group=junos
On the Junos with Virtual Filesystem (VirtFS), if a file/directory is accessed for the first time and is not created locally, the kernel might crash and generate a vmcore file. Junos might reboot due to this issue.
PR Number
Synopsis
Category: Generic platform and infra issues for MS-MIC and MS-MPC(XLP)
1453811
Delay in freeing processed defragment buffers lead to prolonged flow control and might crash.
Product-Group=junos
On Juniper Networks Junos MX Series with service card configured, receipt of a stream of specific packets may crash the MS-PIC component on MS-MIC or MS-MPC. Refer to https://kb.juniper.net/
JSA11037
[juniper.net]
for more information.
PR Number
Synopsis
Category: TRIO Interface based services
1465490
On MPC7, MPC8, and MPC9, WO packet error and FPC major alarm are observed when reassembling the small fragments.
Product-Group=junos
When a device is running Juniper Networks Junos OS with MPC7, MPC8, or MPC9 line cards installed and the system is configured for inline IP reassembly, used by L2TP, MAP-E, and GRE, the Packet Forwarding Engine is disabled upon receipt of small fragments requiring reassembly. Refer to https://kb.juniper.net/
JSA11036
[juniper.net]
for more information.
PR Number
Synopsis
Category: Trio pfe l3 forwarding issues
1474154
Junos OS: MX Series: PFE crash on MPC7/8/9 upon receipt of large packets requiring fragmentation (CVE-2020-1655)
Product-Group=junos
When a device is running Juniper Networks Junos OS with MPC7, MPC8, or MPC9 line cards installed and the system is configured for inline IP reassembly, used by MAP-E, the Packet Forwarding Engine is disabled upon receipt of large packets requiring fragmentation. Refer to https://kb.juniper.net/
JSA11041
[juniper.net]
for more information.
18.3R2-S4 - List of Known issues
PR Number
Synopsis
Category: IPSEC/IKE VPN
1517262
The flowd might crash in IPsec VPN scenario
Product-Group=junos
On SRX platforms with IPsec VPN configured, the flowd might crash during the IPsec VPN rekey window. The traffic/service might be impacted if hitting this issue.
PR Number
Synopsis
Category: QFX L2 PFE
1454095
Changing the VLAN name associated with the access ports might prevent the MAC addresses from being learned under the EVPN-VXLAN scenario.
Product-Group=junos
On the QFX5k platform with EVPN-VXLAN configured, if the VLAN name associated with access ports is changed, then the virtual bridge domain may not be created. Due to this, the MAC addresses will not be learned. This issue will cause traffic loss.
1475005
The system might stop new MAC learning and impact the Layer 2 traffic forwarding.
Product-Group=junos
On QFX platforms, if there are a lot of MAC moves, the system might stop new MAC learning and lots of old MAC addresses might be stuck and couldn't be aged and deleted. Due to this issue, could have impact on layer 2 traffic forwarding and the customer service.
Modification History
First publication 2020-09-25
18.3R2-S4: Software Release Notification for JUNOS Software Version 18.3R2-S4