6898 matches found
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...
Modicon Information Disclosure
The vulnerability of the microprogrammed programmable logic controller Modicon is related to the disclosure of information. Exploiting this vulnerability can allow an intruder, operating remotely, to gain access to confidential SNMP protocol information by reading memory blocks of the controller...
RHEL 6 : kernel (RHSA-2019:1488)
The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:1488 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: An integer overflow flaw was found in...
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...
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...
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...
Modicon Unprocessed Exception DoS
The vulnerability of the microprogrammed logic controller Modicon is related to unprocessed exceptions. Exploiting this vulnerability could allow a malicious actor to cause malfunctions during maintenance operations when reading invalid blocks of physical memory in the controller using the Modbus...
Modicon Buffer Overflow Info Disclosure
The vulnerability of the microprogrammed programmable logic controller Modicon relates to the reading of buffers from external sources. Exploiting this vulnerability can allow an intruder, operating remotely, to disclose sensitive information by reading certain memory blocks in the controller via...
Schneider Electric Modicon M580 UMAS write system bits and blocks denial-of-service vulnerability
Summary An exploitable denial-of-service vulnerability exists in the UMAS write system bits and blocks functionality of the Schneider Electric Modicon M580 Programmable Automation Controller, firmware version SV2.70. A specially crafted set of UMAS commands can cause the device to enter a...
CVE-2018-7853
A CWE-248: Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause denial of service when reading invalid physical memory blocks in the controller over Modbus...
CVE-2018-7856
A CWE-248: Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause a possible denial of Service when writing invalid memory blocks to the controller over Modbus...
CVE-2018-7853
A CWE-248: Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause denial of service when reading invalid physical memory blocks in the controller over Modbus...
CVE-2018-7843
A CWE-248: Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause denial of service when reading memory blocks with an invalid data size or with an invalid data offset in the controller over Modbus...
Out-of-bounds
A CWE-125: Out-of-bounds Read vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause the disclosure of unexpected data from the controller when reading specific memory blocks in the controller over Modbus...
CVE-2018-7844
A CWE-200: Information Exposure vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause the disclosure of SNMP information when reading memory blocks from the controller over Modbus...
CVE-2018-7856
A CWE-248: Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause a possible denial of Service when writing invalid memory blocks to the controller over Modbus...
CVE-2018-7853
A CWE-248: Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause denial of service when reading invalid physical memory blocks in the controller over Modbus...
CVE-2018-7843
CVE-2018-7843 concerns Schneider Electric Modicon PLCs (M580, M340, Quantum, Premium) with a flaw in the UMAS memory block read path over Modbus. The public Talos analysis describes an out-of-bounds memory read in the MEMORY_BLOCK_READ function that can trigger a non-recoverable fault, potentiall...
CVE-2018-7843
A CWE-248: Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause denial of service when reading memory blocks with an invalid data size or with an invalid data offset in the controller over Modbus...
Arbitrary Code Execution
Mozilla Firefox is vulnerable to Arbitrary Code Execution. This is because a flaw exists in the isLabelSafe function in nsIDNService.cpp that is triggered when handling characters from different unicode blocks. An unauthenticated, remote attacker can exploit this, via a specially crafted IDN...