CVE-2021-0281

CVE-2021-0281 affects Juniper Networks Junos OS and Junos OS Evolved. A crafted BGP origin validation/ RPki packet from the RPKI cache server can crash and restart the routing process daemon (RPD), causing a DoS. Affected releases include Junos OS 17.3 (before 17.3R3-S12), 17.4 (before 17.4R3-S5)...

CVE-2021-0280

CVE-2021-0280 affects Juniper Junos OS on PTX and QFX10K with Paradise (PE) chipset line cards. Root cause: Improper initialization in the DDoS policer path of the Packet Forwarding Engine, causing ddos-protection CLI changes to not apply beyond default DDoS settings. Impact: BFD session flapping...

CVE-2021-0278 Junos OS: J-Web allows a locally authenticated attacker to escalate their privileges to root.

An Improper Input Validation vulnerability in J-Web of Juniper Networks Junos OS allows a locally authenticated attacker to escalate their privileges to root over the target device. junos:18.3R3-S5 junos:18.4R3-S9 junos:19.1R3-S6 junos:19.3R2-S6 junos:19.3R3-S3 junos:19.4R1-S4 junos:19.4R3-S4...

CVE-2021-0278

CVE-2021-0278 is an Improper Input Validation vulnerability in J-Web of Juniper Networks Junos OS that allows a locally authenticated attacker to escalate to root. Affected Junos OS versions include 19.3R1 and later (various 19.3/19.4/20.x/21.x releases listed in sources). The connected documents...

CVE-2021-0277

Summary (CVE-2021-0277): An out-of-bounds read in the Layer 2 Control Protocol Daemon (l2cpd) of Juniper Networks Junos OS and Junos OS Evolved can cause DoS and may lead to remote code execution when processing crafted LLDP frames. Affected: Junos OS versions prior to listed fixed releases (e.g....

Juniper Networks Junos OS 和 Junos OS Evolved 缓冲区错误漏洞

Juniper Networks Junos OS and Junos OS Evolved are both products of Juniper Networks, Inc.Juniper Networks Junos OS is a network operating system for the company's hardware devices. Juniper Networks Junos OS is a network operating system for the company's hardware devices that provides a secure...

CVE-2021-0283: Buffer Copy without Checking Size of Input

A buffer overflow vulnerability in the TCP/IP stack of Juniper Networks Junos OS allows an attacker to send specific sequences of packets to the device thereby causing a Denial of Service DoS. By repeatedly sending these sequences of packets to the device, an attacker can sustain the Denial of...

CVE-2021-0293: Missing Release of Memory after Effective Lifetime

A vulnerability in Juniper Networks Junos OS caused by Missing Release of Memory after Effective Lifetime leads to a memory leak each time the CLI command 'show system connections extensive' is executed. The amount of memory leaked on each execution depends on the number of TCP connections from a...

CVE-2021-0292: Uncontrolled Resource Consumption

An Uncontrolled Resource Consumption vulnerability in the ARP daemon arpd and Network Discovery Protocol ndp process of Juniper Networks Junos OS Evolved allows a malicious attacker on the local network to consume memory resources, ultimately resulting in a Denial of Service DoS condition...

CVE-2021-0278: Improper Input Validation

An Improper Input Validation vulnerability in J-Web of Juniper Networks Junos OS allows a locally authenticated attacker to escalate their privileges to root over the target device. junos:18.3R3-S5 junos:18.4R3-S9 junos:19.1R3-S6 junos:19.3R2-S6 junos:19.3R3-S3 junos:19.4R1-S4 junos:19.4R3-S4...

CVE-2021-0280: Improper Initialization

Due to an Improper Initialization vulnerability in Juniper Networks Junos OS on PTX platforms and QFX10K Series with Paradise PE chipset-based line cards, ddos-protection configuration changes made from the CLI will not take effect as expected beyond the default DDoS Distributed Denial of Service...

CVE-2021-0285: Allocation of Resources Without Limits or Throttling

An uncontrolled resource consumption vulnerability in Juniper Networks Junos OS on QFX5000 Series and EX4600 Series switches allows an attacker sending large amounts of legitimate traffic destined to the device to cause Interchassis Control Protocol ICCP interruptions, leading to an unstable...

Vulnerabilities fixed in Juniper products

Juniper has fixed vulnerabilities in Junos OS, Junos OS Evolved and PTX, QTX, MX, EX9200 and SRX4600 devices. The vulnerabilities potentially enable a malicious party to launch attacks leading to the following categories of damage: Denial-of-Service DoS. Circumvention of security measure Remote...

Junos OS Denial of Service Vulnerability

Juniper Networks Junos OS is a Juniper Networks network operating system for the company's hardware devices. The OS provides a secure programming interface and the Junos SDK. A security vulnerability exists in Junos OS that stems from the fact that on devices with multipathing or add-a-path...

CVE-2021-0291: Exposure of Sensitive System Information to an Unauthorized Control Sphere

An Exposure of System Data vulnerability in Juniper Networks Junos OS and Junos OS Evolved, where a sensitive system-level resource is not being sufficiently protected, allows a network-based unauthenticated attacker to send specific traffic which partially reaches this resource. A high rate of...

CVE-2021-0282: Improper Check for Unusual or Exceptional Conditions

On Juniper Networks Junos OS devices with Multipath or add-path feature enabled, processing a specific BGP UPDATE can lead to a routing process daemon RPD crash and restart, causing a Denial of Service DoS. Continued receipt and processing of this UPDATE message will create a sustained Denial of...

CVE-2021-0277: Out-of-bounds Read

An Out-of-bounds Read vulnerability in the processing of specially crafted LLDP frames by the Layer 2 Control Protocol Daemon l2cpd of Juniper Networks Junos OS and Junos OS Evolved may allow an attacker to cause a Denial of Service DoS, or may lead to remote code execution RCE. Continued receipt...

CVE-2021-0287: Improper Check for Unusual or Exceptional Conditions

In a Segment Routing ISIS SR-ISIS/MPLS environment, on Juniper Networks Junos OS and Junos OS Evolved devices, configured with ISIS Flexible Algorithm for Segment Routing and sensor-based statistics, a flap of a ISIS link in the network, can lead to a routing process daemon RPD crash and restart,...

CVE-2021-0295: Incorrect Comparison

A vulnerability in the Distance Vector Multicast Routing Protocol DVMRP of Juniper Networks Junos OS on the QFX10K Series switches allows an attacker to trigger a packet forwarding loop, leading to a partial Denial of Service DoS. The issue is caused by DVMRP packets looping on a multi-homed...

CVE-2021-0289: Time-of-check Time-of-use (TOCTOU) Race Condition

When user-defined ARP Policer is configured and applied on one or more Aggregated Ethernet AE interface units, a Time-of-check Time-of-use TOCTOU Race Condition vulnerability between the Device Control Daemon DCD and firewall process dfwd daemons of Juniper Networks Junos OS allows an attacker to...