Input validation

A vulnerability in the web interface of Cisco Small Business 200, 300, and 500 Series Managed Switches could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to improper validation of requests sent to the web...

CVE-2019-1891 Cisco Small Business Series Switches HTTP Denial of Service Vulnerability

A vulnerability in the web interface of Cisco Small Business 200, 300, and 500 Series Managed Switches could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to improper validation of requests sent to the web...

CVE-2019-1891 Cisco Small Business Series Switches HTTP Denial of Service Vulnerability

A vulnerability in the web interface of Cisco Small Business 200, 300, and 500 Series Managed Switches could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to improper validation of requests sent to the web...

CVE-2019-1891

The CVE-2019-1891 issue affects Cisco Small Business 200/300/500 Series Managed Switches. The vulnerability stems from improper validation of web interface requests, allowing an unauthenticated, remote attacker to trigger an unexpected reload and cause a denial of service on an affected device. I...

CVE-2019-1892 Cisco Small Business Series Switches Memory Corruption Vulnerability

A vulnerability in the Secure Sockets Layer SSL input packet processor of Cisco Small Business 200, 300, and 500 Series Managed Switches could allow an unauthenticated, remote attacker to cause a memory corruption on an affected device. The vulnerability is due to improper validation of HTTPS...

CVE-2019-1892 Cisco Small Business Series Switches Memory Corruption Vulnerability

A vulnerability in the Secure Sockets Layer SSL input packet processor of Cisco Small Business 200, 300, and 500 Series Managed Switches could allow an unauthenticated, remote attacker to cause a memory corruption on an affected device. The vulnerability is due to improper validation of HTTPS...

CVE-2019-1892

CVE-2019-1892 affects Cisco Small Business 200/300/500 Series Managed Switches. The vulnerability resides in the SSL input packet processor where HTTPS packets are not properly validated, allowing an unauthenticated remote attacker to trigger memory corruption and a device reload, causing DoS. Ex...

CVE-2019-1892

Cisco Small Business 200/300/500 Series Managed Switch HTTPS validation allows a memory corruption DoS Recent assessments: bwatters-r7 at July 09, 2019 5:54pm UTC reported: This is a memory corruption vulnerability that allows an attacker to send a malformed HTTPS packet, which will then generate...

CVE-2019-1891: Improper Input Validation

A vulnerability in the web interface of Cisco Small Business 200, 300, and 500 Series Managed Switches could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to improper validation of requests sent to the web...

CVE-2019-1892: Improper Restriction of Operations within the Bounds of a Memory Buffer

A vulnerability in the Secure Sockets Layer SSL input packet processor of Cisco Small Business 200, 300, and 500 Series Managed Switches could allow an unauthenticated, remote attacker to cause a memory corruption on an affected device. The vulnerability is due to improper validation of HTTPS...

Cisco Small Business 200, 300, and 500 Series Managed Switches Buffer Overflow Vulnerability

Cisco Small Business 200 Series Managed Switches and so on are the products of the American Cisco Cisco company.Cisco Small Business 200 Series Managed Switches is a 200 Series Managed Switch.Cisco?Small Business 300 Series Managed Switches is a 300 Series Managed Switch.Cisco?Small Business 500...

Cisco Small Business Series Switches HTTP Denial of Service Vulnerability

A vulnerability in the web interface of Cisco Small Business 200, 300, and 500 Series Managed Switches could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to improper validation of requests sent to the web...

Cisco Small Business Series Switches Memory Corruption Vulnerability

A vulnerability in the Secure Sockets Layer SSL input packet processor of Cisco Small Business 200, 300, and 500 Series Managed Switches could allow an unauthenticated, remote attacker to cause a memory corruption on an affected device. The vulnerability is due to improper validation of HTTPS...

PT-2019-2645

Name of the Vulnerable Software and Affected Versions Cisco Small Business 200, 300, and 500 Series Managed Switches affected versions not specified Description The issue is caused by insufficient validation of input data in the web interface of the affected devices. This could allow a remote...

PT-2019-2644

Name of the Vulnerable Software and Affected Versions Cisco Small Business 200, 300, and 500 Series Managed Switches affected versions not specified Description The issue is related to an improper validation of HTTPS packets in the SSL protocol implementation, which could allow a remote attacker ...

Cisco Releases Security Updates for Multiple Products

Cisco has released security updates to address vulnerabilities in multiple Cisco products. An attacker could exploit some of these vulnerabilities to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators to review the...

Reference: TaoSecurity Research

I started publishing my thoughts and findings on digital security in 1999. I used to provide this information on my Web site, but since I don't keep that page up-to-date anymore, I decided to publish it here. 2015 and later: Please visit Academia.edu for Mr. Bejtlich's most recent research. 2014...

kernel: tcp: excessive resource consumption for TCP connections with low MSS allows remote denial of service

An excessive resource consumption flaw was found in the way the Linux kernel's networking subsystem processed TCP segments. If the Maximum Segment Size MSS of a TCP connection was set to low values, such as 48 bytes, it can leave as little as 8 bytes for the user data, which significantly increas...

Cisco RV110W, RV130W, and RV215W Routers Syslog HTTP Access Information Disclosure Vulnerability (cisco-sa-20190619-rv-fileaccess)

According to its self-reported version, the version of the Cisco Small Business Wireless-N VPN Router installed on the remote host is affected by an information disclosure vulnerability. An unauthenticated, remote attacker can exploit this to disclose potentially sensitive information. C Tenable...

Kernel: tcp: integer overflow while processing SACK blocks allows remote denial of service

An integer overflow flaw was found in the way the Linux kernel's networking subsystem processed TCP Selective Acknowledgment SACK segments. While processing SACK segments, the Linux kernel's socket buffer SKB data structure becomes fragmented. Each fragment is about TCP maximum segment size MSS...