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Cisco Releases Security Patches for New Vulnerabilities Impacting Multiple Products
Cisco on Wednesday rolled out patches to address three security flaws affecting its products, including a high-severity weakness disclosed in NVIDIA Data Plane Development Kit (MLNX_DPDK) late last month. Tracked as CVE-2022-28199 (CVSS score: 8.6), the vulnerability stems from a lack of proper error handling in DPDK’s network stack, enabling a remote adversary to trigger a denial-of-service (
Cisco on Wednesday rolled out patches to address three security flaws affecting its products, including a high-severity weakness disclosed in NVIDIA Data Plane Development Kit (MLNX_DPDK) late last month.
Tracked as CVE-2022-28199 (CVSS score: 8.6), the vulnerability stems from a lack of proper error handling in DPDK’s network stack, enabling a remote adversary to trigger a denial-of-service (DoS) condition and cause an impact on data integrity and confidentiality.
“If an error condition is observed on the device interface, the device may either reload or fail to receive traffic, resulting in a denial-of-service (DoS) condition,” Cisco said in a notice published on September 7.
DPDK refers to a set of libraries and optimized network interface card (NIC) drivers for fast packet processing, offering a framework and common API for high-speed networking applications.
Cisco said it investigated its product lineup and determined the following services to be affected by the bug, prompting the networking equipment maker to release software updates -
- Cisco Catalyst 8000V Edge Software
- Adaptive Security Virtual Appliance (ASAv), and
- Secure Firewall Threat Defense Virtual (formerly FTDv)
Aside from CVE-2022-28199, Cisco has also resolved a vulnerability in its Cisco SD-WAN vManage Software that could “allow an unauthenticated, adjacent attacker who has access to the VPN0 logical network to also access the messaging service ports on an affected system.”
The company blamed the shortcoming – assigned the identifier CVE-2022-20696 (CVSS score: 7.5) – on the absence of “sufficient protection mechanisms” in the messaging server container ports. It credited Orange Business for reporting the vulnerability.
Successful exploitation of the flaw could permit the attacker to view and inject messages into the messaging service, which can cause configuration changes or cause the system to reload, Cisco said.
A third flaw remediated by Cisco is a vulnerability in the messaging interface of Cisco Webex App (CVE-2022-20863, CVSS score: 4.3), which could enable an unauthenticated, remote attacker to modify links or other content and conduct phishing attacks.
“This vulnerability exists because the affected software does not properly handle character rendering,” it said. “An attacker could exploit this vulnerability by sending messages within the application interface.”
Cisco credited Rex, Bruce, and Zachery from Binance Red Team for discovering and reporting the vulnerability.
Lastly, it also disclosed details of an authentication bypass bug (CVE-2022-20923, CVSS score: 4.0) affecting Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers, which it said will not be fixed owing to the products reaching end-of-life (EOL).
“Cisco has not released and will not release software updates to address the vulnerability,” it said, encouraging users to “migrate to Cisco Small Business RV132W, RV160, or RV160W Routers.”
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Red Hat Security Advisory 2022-6504-01 - Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic. Issues addressed include a denial of service vulnerability.
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An update for openvswitch2.13 is now available for Fast Datapath for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-28199: dpdk: error recovery in mlx5 driver not handled properly, allowing for denial of service
An update for openvswitch2.15 is now available in Fast Datapath for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-28199: dpdk: error recovery in mlx5 driver not handled properly, allowing for denial of service
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A vulnerability in the messaging interface of Cisco Webex App, formerly Webex Teams, could allow an unauthenticated, remote attacker to manipulate links or other content within the messaging interface. This vulnerability exists because the affected software does not properly handle character rendering. An attacker could exploit this vulnerability by sending messages within the application interface. A successful exploit could allow the attacker to modify the display of links or other content within the interface, potentially allowing the attacker to conduct phishing or spoofing attacks.
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NVIDIA’s distribution of the Data Plane Development Kit (MLNX_DPDK) contains a vulnerability in the network stack, where error recovery is not handled properly, which can allow a remote attacker to cause denial of service and some impact to data integrity and confidentiality.