CVE-2021-0283 Junos OS: Upon receipt of specific sequences of genuine packets destined to the device the kernel will crash and restart (vmcore)

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-2021-0282 Junos OS: RPD crash while processing a specific BGP UPDATE when Multipath or add-path features are enabled

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-2021-0282

CVE-2021-0282 – Junos OS DoS via BGP UPDATE with Multipath/add-path enabled . Affects Juniper’s Junos OS where Multipath/add-path is enabled; processing a specific BGP UPDATE can crash and restart the routing process daemon (RPD), causing a DoS. Sustained receipt of the UPDATE can propagate the D...

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 Junos OS: PTX Series, QFX10K Series: Upon receipt of specific packets BFD sessions might flap due to DDoS policer implementation in Packet Forwarding Engine

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-2021-0280

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-2021-0279 Contrail Cloud: Hardcoded credentials for RabbitMQ service

Juniper Networks Contrail Cloud CC releases prior to 13.6.0 have RabbitMQ service enabled by default with hardcoded credentials. The messaging services of RabbitMQ are used when coordinating operations and status information among Contrail services. An attacker with access to an administrative...

CVE-2021-0279

CVE-2021-0279 concerns Juniper Networks Contrail Cloud (CC) releases prior to 13.6.0, where the RabbitMQ service is enabled by default and uses hardcoded credentials. The result is that an attacker who can access the RabbitMQ administrative interface (for example, the GUI) may cause a Denial of S...

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 Junos OS and Junos OS Evolved: LLDP Out-of-Bounds Read vulnerability in l2cpd

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-2021-0277

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....

CVE-2021-0276

CVE-2021-0276 affects Juniper Networks SBR Carrier Edition with EAP authentication. A stack-based buffer overflow in the EAP server can be triggered by specially crafted packets, causing the RADIUS daemon to crash and potentially resulting in a DoS or remote code execution (RCE) . Affected versio...

CVE-2021-0276 Steel-Belted Radius Carrier Edition: Remote code execution vulnerability when EAP Authentication is configured.

A stack-based Buffer Overflow vulnerability in Juniper Networks SBR Carrier with EAP Extensible Authentication Protocol authentication configured, allows an attacker sending specific packets causing the radius daemon to crash resulting with a Denial of Service DoS or leading to remote code...

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...

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-2021-0280: 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-2021-0291: 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...

Juniper Networks Releases Security Updates for Multiple Products

Juniper Networks has released security updates to address vulnerabilities affecting multiple products. An attacker could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the Juniper Networks security advisories page an...