Kernel: kvm: nVMX: L2 guest may trick the L0 hypervisor to access sensitive L1 resources

A flaw was found in the way KVM hypervisor handled instruction emulation for the L2 guest when nested=1 virtualization is enabled. In the instruction emulation, the L2 guest could trick the L0 hypervisor into accessing sensitive bits of the L1 hypervisor. An L2 guest could use this flaw to...

OSV-2020-1863 Bad-cast to pcpp::Layer from invalid vptr

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26013 Crash type: Bad-cast Crash state: Bad-cast to pcpp::Layer from invalid vptr pcpp::IDnsResource::getRawData pcpp::DnsResource::getDataLength...

CVE-2020-5929

In versions 13.0.0-13.0.0 HF2, 12.1.0-12.1.2 HF1, and 11.6.1-11.6.2, BIG-IP platforms with Cavium Nitrox SSL hardware acceleration cards, a Virtual Server configured with a Client SSL profile, and using Anonymous ADH or Ephemeral DHE Diffie-Hellman key exchange and Single DH use option not enable...

systemd 239 through 245 accepts any certificate signed by a trusted certificate authority for DNS Over TLS. Server Name Indication (SNI) is not sent and there is no hostname validation with the GnuTLS backend. NOTE: This has been disputed by the developer as not a vulnerability since hostname validation does not have anything to do with this issue (i.e. there is no hostname to be sent)

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CVE-2018-10432

Pexip Infinity before 18 allows Remote Denial of Service TLS handshakes in RTMP...

Multiple stack-based buffer overflows in the CertDecoder::GetName function in src/asn.cpp in TaoCrypt in yaSSL before 1.9.9 as used in mysqld in MySQL 5.0.x before 5.0.90 MySQL 5.1.x before 5.1.43 MySQL 5.5.x through 5.5.0-m2 and other products allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption and daemon crash) by establishing an SSL connection and sending an X.509 client certificate with a crafted name field as demonstrated by mysql_overflow1.py and the vd_mysql5 module in VulnDisco Pack Professional 8.11. NOTE: this was originally reported for MySQL 5.0.51a.

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Aruba CX Switches Denial of Service Vulnerability

Aruba CX Switches is a switch from Aruba USA. A security vulnerability exists in Aruba CX Switches that can be exploited by an attacker to cause a local denial of service of the LLDP Link Layer Discovery Protocol process in the switch...

CVE-2020-3512

A vulnerability in the PROFINET handler for Link Layer Discovery Protocol LLDP messages of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a crash on an affected device, resulting in a denial of service DoS condition. The vulnerability is du...

CVE-2020-3480

Multiple vulnerabilities in the Zone-Based Firewall feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload or stop forwarding traffic through the firewall. The vulnerabilities are due to incomplete handling of Layer 4 packets through the...

CVE-2020-3421

Multiple vulnerabilities in the Zone-Based Firewall feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload or stop forwarding traffic through the firewall. The vulnerabilities are due to incomplete handling of Layer 4 packets through the...

CVE-2020-3421

Multiple vulnerabilities in the Zone-Based Firewall feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload or stop forwarding traffic through the firewall. The vulnerabilities are due to incomplete handling of Layer 4 packets through the...

Design/Logic Flaw

Multiple vulnerabilities in the Zone-Based Firewall feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload or stop forwarding traffic through the firewall. The vulnerabilities are due to incomplete handling of Layer 4 packets through the...

CVE-2020-3421 Cisco IOS XE Software Zone-Based Firewall Denial of Service Vulnerabilities

Multiple vulnerabilities in the Zone-Based Firewall feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload or stop forwarding traffic through the firewall. The vulnerabilities are due to incomplete handling of Layer 4 packets through the...

CVE-2020-3421 Cisco IOS XE Software Zone-Based Firewall Denial of Service Vulnerabilities

Multiple vulnerabilities in the Zone-Based Firewall feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload or stop forwarding traffic through the firewall. The vulnerabilities are due to incomplete handling of Layer 4 packets through the...

CVE-2020-3512 Cisco IOS and IOS XE Software PROFINET Link Layer Discovery Protocol Denial of Service Vulnerability

A vulnerability in the PROFINET handler for Link Layer Discovery Protocol LLDP messages of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a crash on an affected device, resulting in a denial of service DoS condition. The vulnerability is du...

Cisco IOS XE Software Zone-Based Firewall Denial of Service Vulnerabilities

Multiple vulnerabilities in the Zone-Based Firewall feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload or stop forwarding traffic through the firewall. The vulnerabilities are due to incomplete handling of Layer 4 packets through the...

Mozilla: When recursing through layers while scrolling, an iterator may have become invalid, resulting in a potential use-after-free scenario

The Mozilla Foundation Security Advisory describes this flaw as: When recursing through graphical layers while scrolling, an iterator may have become invalid, resulting in a potential use-after-free. This occurs because the function APZCTreeManager::ComputeClippedCompositionBounds did not follow...

PT-2020-4189 · Cisco · Cisco Ios Xe

Name of the Vulnerable Software and Affected Versions: Cisco IOS XE Software affected versions not specified Description: The issue is related to incomplete handling of Layer 4 packets through the device, which could allow an unauthenticated, remote attacker to cause the device to reload or stop...

PT-2020-4188 · Cisco · Cisco Ios Xe

Name of the Vulnerable Software and Affected Versions: Cisco IOS XE affected versions not specified Description: The issue is related to insufficient validation of unusual or exceptional states in Cisco IOS XE, which could allow a remote attacker to cause a denial of service. The vulnerabilities...

CVE-2020-7121

Two memory corruption vulnerabilities in the Aruba CX Switches Series 6200F, 6300, 6400, 8320, 8325, and 8400 have been found. Successful exploitation of these vulnerabilities could result in Local Denial of Service of the LLDP Link Layer Discovery Protocol process in the switch. This applies to...