QEMU: slirp: use-after-free in ip_reass() function in ip_input.c

A use-after-free flaw was found in the SLiRP networking implementation of the QEMU emulator. Specifically, this flaw occurs in the ipreass routine while reassembling incoming IP fragments whose combined size is bigger than 65k. This flaw allows an attacker to crash the QEMU process on the host,...

Microsoft Guidance for Addressing Spoofing Vulnerability in DNS Resolver

Microsoft is aware of a vulnerability involving DNS cache poisoning caused by IP fragmentation that affects Windows DNS Resolver. An attacker who successfully exploited this vulnerability could spoof the DNS packet which can be cached by the DNS Forwarder or the DNS Resolver. For more information...

QEMU: slirp: use-after-free in ip_reass() function in ip_input.c

A use-after-free flaw was found in the SLiRP networking implementation of the QEMU emulator. Specifically, this flaw occurs in the ipreass routine while reassembling incoming IP fragments whose combined size is bigger than 65k. This flaw allows an attacker to crash the QEMU process on the host,...

VulnCheck KEV: CVE-2018-5391

The Linux kernel, versions 3.9+, is vulnerable to a denial of service attack with low rates of specially modified packets targeting IP fragment re-assembly. An attacker may cause a denial of service condition by sending specially crafted IP fragments. Various vulnerabilities in IP fragmentation...

Cisco IOS XE Software Zone-Based Firewall IP Fragmentation DoS (cisco-sa-20180328-fwip)

According to its self-reported version, Cisco IOS XE Software is affected by a vulnerability in the Zone-Based Firewall due to the way fragmented packets in the firewall code. An unauthenticated, remote attacker can exploit this by sending fragmented IP Version 4 or IP Version 6 packets through a...

CVE-2019-6811

An Improper Check for Unusual or Exceptional Conditions CWE-754 vulnerability exists in Modicon Quantum 140 NOE771x1 version 6.9 and earlier, which could cause denial of service when the module receives an IP fragmented packet with a length greater than 65535 bytes. The module then requires a pow...

EulerOS 2.0 SP2 : glibc (EulerOS-SA-2019-1844)

According to the versions of the glibc packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - Stack-based buffer overflow in the glob implementation in GNU C Library aka glibc before 2.24, when GLOBALTDIRFUNC is used, allows...

UBUNTU-CVE-2018-14641

A security flaw was found in the ipfragreasm function in net/ipv4/ipfragment.c in the Linux kernel from 4.19-rc1 to 4.19-rc3 inclusive, which can cause a later system crash in ipdofragment. With certain non-default, but non-rare, configuration of a victim host, an attacker can trigger this crash...

Design/Logic Flaw

The Linux kernel, versions 3.9+, is vulnerable to a denial of service attack with low rates of specially modified packets targeting IP fragment re-assembly. An attacker may cause a denial of service condition by sending specially crafted IP fragments. Various vulnerabilities in IP fragmentation...

DEBIAN-CVE-2018-5391

The Linux kernel, versions 3.9+, is vulnerable to a denial of service attack with low rates of specially modified packets targeting IP fragment re-assembly. An attacker may cause a denial of service condition by sending specially crafted IP fragments. Various vulnerabilities in IP fragmentation...

CVE-2018-5391

CVE-2018-5391 affects the Linux kernel (3.9+) via FragmentSmack: IP fragment reassembly can be exploited to exhaust CPU and cause DoS. Citrix/Arista/CentOS advisories describe affected products and kernel updates; CentOS/RH advisories list patched versions and note the vulnerability stems from fr...

CVE-2018-5391

The Linux kernel, versions 3.9+, is vulnerable to a denial of service attack with low rates of specially modified packets targeting IP fragment re-assembly. An attacker may cause a denial of service condition by sending specially crafted IP fragments. Various vulnerabilities in IP fragmentation...

CVE-2018-6923

CVE-2018-6923 affects FreeBSD versions prior to 11.1-STABLE, 11.2-RELEASE-p2, and 11.1-RELEASE-p13. The issue is in the IP fragment reassembly code and can allow a remote attacker that can send arbitrary IP fragments to cause denial of service through excessive resource consumption. The primary p...

FreeBSD Denial of Service Vulnerability (CNVD-2020-38784)

FreeBSD is a set of Unix-like free operating systems in the FreeBSD project, headed by the Core Team team, and is an important branch of Unix-like systems that have evolved through BSD, 386BSD, and 4.4BSD. A denial of service vulnerability exists in the ip fragmentation reorganization code in...

Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2018-4196)

The remote Oracle Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2018-4196 advisory. - posix-timer: Properly check sigevent-sigevnotify Thomas Gleixner Orabug: 28481412 CVE-2017-18344 - x86/mm/kmmio: Make the tracer robust against...

Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2018-4195)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2018-4195 advisory. - ipv4: frags: handle possible skb truesize change Eric Dumazet Orabug: 28481663 CVE-2018-5391 - inet: frag: enforce memory limits earlier Eric Dumazet...

Sifang CSI-200EA Measurement and Control Device IP Protocol Segmentation Denial of Service Vulnerability

CSI-200EA measurement and control device is mainly used in substation automation system of 110kV and above voltage level. A denial of service vulnerability exists in the IP protocol fragmentation of the Sifang CSI-200EA measurement and control device. An attacker can cause the network function of...

Cisco Firepower 2100 Series Security Appliances IP Fragmentation Denial of Service Vulnerability

A vulnerability in the internal packet-processing functionality of Cisco Firepower Threat Defense FTD Software for Cisco Firepower 2100 Series Security Appliances could allow an unauthenticated, remote attacker to cause an affected device to stop processing traffic, resulting in a denial of servi...

Cisco IOS XE Software Zone-Based Firewall IP Fragmentation Denial of Service Vulnerability

A vulnerability in the Zone-Based Firewall code of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a device to reload. The vulnerability is due to the way fragmented packets are handled in the firewall code. An attacker could exploit this vulnerability by sending...

CVE-2017-1000112

Linux kernel: Exploitable memory corruption due to UFO to non-UFO path switch. When building a UFO packet with MSGMORE ipappenddata calls ipufoappenddata to append. However in between two send calls, the append path can be switched from UFO to non-UFO one, which leads to a memory corruption. In...