CVE-2021-34696

The CVE-2021-34696 entry affects Cisco ASR 900 and ASR 920 Series Aggregation Services Routers. The vulnerability originates from incorrect hardware programming when ACLs are configured by methods other than the configuration CLI, allowing an unauthenticated, remote attacker to bypass a configure...

Cisco ASR 900 安全漏洞

The Cisco ASR 900 is a 900 series aggregation services router from Cisco. A security vulnerability exists in the Cisco ASR 900 and ASR 920 that results from a hardware programming error when configuring ACLs using methods other than the configuration command line. An attacker could use this...

CVE-2021-34713: Undefined Security Weakness

A vulnerability in the Layer 2 punt code of Cisco IOS XR Software running on Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, adjacent attacker to cause the affected line card to reboot. This vulnerability is due to incorrect handling of specific Ethernet frames...

CVE-2021-34713

A vulnerability in the Layer 2 punt code of Cisco IOS XR Software running on Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, adjacent attacker to cause the affected line card to reboot. This vulnerability is due to incorrect handling of specific Ethernet frames...

PT-2021-4131

Name of the Vulnerable Software and Affected Versions Cisco IOS XR Software affected versions not specified Description A vulnerability in the Layer 2 punt code of Cisco IOS XR Software running on Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, adjacent attacker...

CVE-2021-0285

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...

Internet Bug Bounty: Fragmentation and Aggregation Flaws in Wi-Fi

I discovered three design flaws in the Wi-Fi standard and widespread related implementation flaws see GitHub overview and test tool. Here I'll specifically cover open source software. These findings have not received bug bounties from other sources. Implementation flaws allowing trivial packet...

The vulnerability of the implementation of the VXLAN technology by Juniper Networks’ Modular Port Concentrator devices for Junos OS-based MX routers allows a attacker to cause a service failure.

The vulnerability of the VXLAN technology implemented by Juniper Networks’ Modular Port Concentrator for Junos OS routers of the MX series is related to insufficient checking of unusual or exceptional states when using the LACP protocol. Exploiting this vulnerability can allow a malicious actor t...

Protect

On May 11th, 2021, Mathy Vanhoef New York University Abu Dhabi published a new paper, Fragment and Forge: Breaking Wi-Fi Through Frame Aggregation and Fragmentation, on a number of vulnerabilities in the base 802.11 protocol 802.11 is the standard that Wi-Fi is built on. The paper discloses three...

GSD-2021-1000259 udp: skip L4 aggregation for UDP tunnel packets

udp: skip L4 aggregation for UDP tunnel packets This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.12.4 by commit...

UVI-2021-1000259 udp: skip L4 aggregation for UDP tunnel packets

udp: skip L4 aggregation for UDP tunnel packets This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.12.4 by commit...

PT-2021-28724

Name of the Vulnerable Software and Affected Versions Linux Kernel versions v5.6 through v5.12.3 Description The issue concerns the handling of UDP tunnel packets in the Linux Kernel, where L4 aggregation is skipped. This change was introduced in version v5.6 and fixed in version v5.12.4. The...

PT-2021-24730

Name of the Vulnerable Software and Affected Versions Linux Kernel versions v5.6 through v5.12.3 Description The issue concerns UDP tunnel packets in the Linux Kernel, where L4 aggregation is skipped. This change was introduced in version v5.6 and fixed in version v5.12.4. The actual impact and...

The vulnerability in the web interface for managing application data collection and aggregation from Cisco DNA Spaces Connector controllers and access points arises from the lack of measures to neutralize special elements used in the operating system’s command set. This allows attackers to enhance their privileges and execute arbitrary commands.

The vulnerability in the web interface for managing data collection and aggregation from Cisco DNA Spaces Connector controllers and access points is related to the failure to eliminate special elements used in the operating system’s command set. Exploiting this vulnerability can allow an attacker...

Juniper Junos OS DoS (JSA11125)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA11125 advisory. On Juniper Networks Junos OS platforms with link aggregation lag configured, executing any operation that fetches Aggregated Ethernet AE interface statistics, including but...

FragAttack: New Wi-Fi vulnerabilities that affect… basically everything

A new set of vulnerabilities with an aggressive name and their own website almost always bodes ill. The name FragAttack is a contraction of fragmentation and aggregation attacks, which immediately indicates the main area where the vulnerabilities were found. The vulnerabilities are mostly in how...

HPESBNW04145 rev.4 - Aruba Instant Access Points, ArubaOS Access Points when Managed by Mobiltity Controllers, Aruba Instant On, Aruba UXI Sensors, 802.11 Frame Aggregation and Fragmentation Vulnerabilities

Potential Security Impact: Remote: Disclosure of Sensitive Information, Unauthorized Data Injection SUPPORTED SOFTWARE VERSIONS: ONLY impacted versions are listed. Aruba 1XX Series Campus Access Points - Prior to 6.5.4.19, 6.5.4.20, 8.3.0.15, 8.3.0.16, 8.5.0.12, 8.5.0.13, 8.6.0.8, 8.6.0.9, 8.7.1....

Multiple Vulnerabilities in Frame Aggregation and Fragmentation Implementations of 802.11 Specification Affecting Cisco Products: May 2021

On May 11, 2021, the research paper Fragment and Forge: Breaking Wi-Fi Through Frame Aggregation and Fragmentation was made public. This paper discusses 12 vulnerabilities in the 802.11 standard. One vulnerability is in the frame aggregation functionality, two vulnerabilities are in the frame...

CVE-2021-0230

On Juniper Networks SRX Series devices with link aggregation lag configured, executing any operation that fetches Aggregated Ethernet AE interface statistics, including but not limited to SNMP GET requests, causes a slow kernel memory leak. If all the available memory is consumed, the traffic wil...

CVE-2021-0230

CVE-2021-0230 affects Juniper Networks Junos OS on SRX Series devices with link aggregation (lag). When performing operations that fetch AE interface statistics (e.g., SNMP GET), a slow kernel memory leak can consume memory, potentially impacting traffic and requiring a reboot. Affected versions ...