
CVE-2023-44203 – Junos OS: QFX5000 Series, EX2300, EX3400, EX4100, EX4400 and EX4600: Packet flooding will occur when IGMP traffic is sent to an isolated VLAN
https://notcve.org/view.php?id=CVE-2023-44203
12 Oct 2023 — An Improper Check or Handling of Exceptional Conditions vulnerability in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS on QFX5000 Series, EX2300, EX3400, EX4100, EX4400 and EX4600 allows a adjacent attacker to send specific traffic, which leads to packet flooding, resulting in a Denial of Service (DoS). When a specific IGMP packet is received in an isolated VLAN, it is duplicated to all other ports under the primary VLAN, which causes a flood. This issue affects QFX5000 series, EX2300, EX3... • https://supportportal.juniper.net/JSA73169 • CWE-703: Improper Check or Handling of Exceptional Conditions •

CVE-2023-44201 – Junos OS and Junos OS Evolved: A local attacker can retrieve sensitive information and elevate privileges on the device to an authorized user.
https://notcve.org/view.php?id=CVE-2023-44201
12 Oct 2023 — An Incorrect Permission Assignment for Critical Resource vulnerability in a specific file of Juniper Networks Junos OS and Junos OS Evolved allows a local authenticated attacker to read configuration changes without having the permissions. When a user with the respective permissions commits a configuration change, a specific file is created. That file is readable even by users with no permissions to access the configuration. This can lead to privilege escalation as the user can read the password hash when a... • https://supprtportal.juniper.net/JSA73167 • CWE-732: Incorrect Permission Assignment for Critical Resource •

CVE-2023-44199 – Junos OS: MX Series: In a PTP scenario a prolonged routing protocol churn can trigger an FPC reboot
https://notcve.org/view.php?id=CVE-2023-44199
12 Oct 2023 — An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on MX Series allows a network-based, unauthenticated attacker to cause a Denial of Service (DoS). On Junos MX Series platforms with Precision Time Protocol (PTP) configured, a prolonged routing protocol churn can lead to an FPC crash and restart. This issue affects Juniper Networks Junos OS on MX Series: * All versions prior to 20.4R3-S4; * 21.1 version 21.1R1 and later ve... • https://supportportal.juniper.net/JSA73165 • CWE-754: Improper Check for Unusual or Exceptional Conditions •

CVE-2023-44198 – Junos OS: SRX Series and MX Series: SIP ALG doesn't drop specifically malformed retransmitted SIP packets
https://notcve.org/view.php?id=CVE-2023-44198
12 Oct 2023 — An Improper Check for Unusual or Exceptional Conditions vulnerability in the SIP ALG of Juniper Networks Junos OS on SRX Series and MX Series allows an unauthenticated network-based attacker to cause an integrity impact in connected networks. If the SIP ALG is configured and a device receives a specifically malformed SIP packet, the device prevents this packet from being forwarded, but any subsequently received retransmissions of the same packet are forwarded as if they were valid. This issue affects Junipe... • https://supportportal.juniper.net/JSA73164 • CWE-754: Improper Check for Unusual or Exceptional Conditions •

CVE-2023-44197 – Junos OS and Junos OS Evolved: An rpd crash may occur when BGP is processing newly learned routes
https://notcve.org/view.php?id=CVE-2023-44197
12 Oct 2023 — An Out-of-Bounds Write vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS). On all Junos OS and Junos OS Evolved devices an rpd crash and restart can occur while processing BGP route updates received over an established BGP session. This specific issue is observed for BGP routes learned via a peer which is configured with a BGP import policy that has hundreds of terms matchin... • https://supportportal.juniper.net/JSA73163 • CWE-787: Out-of-bounds Write •

CVE-2023-44196 – Junos OS Evolved: PTX10003 Series: Packets which are not destined to the router can reach the RE
https://notcve.org/view.php?id=CVE-2023-44196
12 Oct 2023 — An Improper Check for Unusual or Exceptional Conditions in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS Evolved on PTX10003 Series allows an unauthenticated adjacent attacker to cause an impact to the integrity of the system. When specific transit MPLS packets are received by the PFE, these packets are internally forwarded to the RE. This issue is a prerequisite for CVE-2023-44195. This issue affects Juniper Networks Junos OS Evolved: * All versions prior to 20.4R3-S8-EVO; * 21.1-EVO vers... • https://supportportal.juniper.net/JSA73162 • CWE-754: Improper Check for Unusual or Exceptional Conditions •

CVE-2023-44194 – Junos OS: An unauthenticated attacker with local access to the device can create a backdoor with root privileges
https://notcve.org/view.php?id=CVE-2023-44194
12 Oct 2023 — An Incorrect Default Permissions vulnerability in Juniper Networks Junos OS allows an unauthenticated attacker with local access to the device to create a backdoor with root privileges. The issue is caused by improper directory permissions on a certain system directory, allowing an attacker with access to this directory to create a backdoor with root privileges. This issue affects Juniper Networks Junos OS: * All versions prior to 20.4R3-S5; * 21.1 versions prior to 21.1R3-S4; * 21.2 versions prior to 21.2R... • https://supportportal.juniper.net/JSA73158 • CWE-276: Incorrect Default Permissions •

CVE-2023-44193 – Junos OS: MX Series: An FPC crash is observed when CFM is enabled in a VPLS scenario and a specific LDP related command is run
https://notcve.org/view.php?id=CVE-2023-44193
12 Oct 2023 — An Improper Release of Memory Before Removing Last Reference vulnerability in Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows a local, low privileged attacker to cause an FPC crash, leading to Denial of Service (DoS). On all Junos MX Series with MPC1 - MPC9, LC480, LC2101, MX10003, and MX80, when Connectivity-Fault-Management (CFM) is enabled in a VPLS scenario, and a specific LDP related command is run, an FPC will crash and reboot. Continued execution of this specific LDP command can le... • https://supportportal.juniper.net/JSA73157 • CWE-401: Missing Release of Memory after Effective Lifetime •

CVE-2023-44192 – Junos OS: QFX5000 Series: DMA memory leak is observed when specific DHCP packets are transmitted over pseudo-VTEP
https://notcve.org/view.php?id=CVE-2023-44192
12 Oct 2023 — An Improper Input Validation vulnerability in the Packet Forwarding Engine of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause memory leak, leading to Denial of Service (DoS). On all Junos OS QFX5000 Series platforms, when pseudo-VTEP (Virtual Tunnel End Point) is configured under EVPN-VXLAN scenario, and specific DHCP packets are transmitted, DMA memory leak is observed. Continuous receipt of these specific DHCP packets will cause memory leak to reach 99% and then cause ... • https://supportportal.juniper.net/JSA73156 • CWE-20: Improper Input Validation CWE-401: Missing Release of Memory after Effective Lifetime •

CVE-2023-44191 – Junos OS: QFX5000 Series and EX4000 Series: Denial of Service (DoS) on a large scale VLAN due to PFE hogging
https://notcve.org/view.php?id=CVE-2023-44191
12 Oct 2023 — An Allocation of Resources Without Limits or Throttling vulnerability in Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause Denial of Service (DoS). On all Junos OS QFX5000 Series and EX4000 Series platforms, when a high number of VLANs are configured, a specific DHCP packet will cause PFE hogging which will lead to dropping of socket connections. This issue affects: Juniper Networks Junos OS on QFX5000 Series and EX4000 Series * 21.1 versions prior to 21.1R3-S5; * 21.2 ver... • https://supportportal.juniper.net/JSA73155 • CWE-770: Allocation of Resources Without Limits or Throttling •