FreeBSD : FreeBSD -- Resource exhaustion in IP fragment reassembly (359e1548-a652-11e8-805b-a4badb2f4699)

A researcher has notified us of a DoS attack applicable to another operating system. While FreeBSD may not be vulnerable to that exact attack, we have identified several places where inadequate DoS protection could allow an attacker to consume system resources. It is not necessary that the attack...

QEMU: slirp: heap buffer overflow while reassembling fragmented datagrams

A heap buffer overflow issue was found in the way SLiRP networking back-end in QEMU processes fragmented packets. It could occur while reassembling the fragmented datagrams of an incoming packet. A privileged user/process inside guest could use this flaw to crash the QEMU process resulting in DoS...

Debian DSA-4272-1 : linux - security update

CVE-2018-5391 FragmentSmack Juha-Matti Tilli discovered a flaw in the way the Linux kernel handled reassembly of fragmented IPv4 and IPv6 packets. A remote attacker can take advantage of this flaw to trigger time and calculation expensive fragment reassembly algorithms by sending specially...

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...

BSA-2018-690

Security Advisory ID : BSA-2018-690 Component : Kernel Revision : 1.0: Final 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...

USN-3740-1 linux, linux-aws, linux-azure, linux-gcp, linux-kvm, linux-oem, linux-raspi2 vulnerabilities

It was discovered that memory present in the L1 data cache of an Intel CPU core may be exposed to a malicious process that is executing on the CPU core. This vulnerability is also known as L1 Terminal Fault L1TF. A local attacker in a guest virtual machine could use this to expose sensitive...

USN-3740-2 linux-hwe, linux-azure, linux-gcp vulnerabilities

USN-3740-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 18.04 LTS for Ubuntu 16.04 LTS. It was discovered that memory present in the L1 data cache of an Intel CPU core may be...

FreeBSD-SA-18:10.ip

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-18:10.ip Security Advisory The FreeBSD Project Topic: Resource exhaustion in IP fragment reassembly Category: core Module: inet Announced: 2018-08-14 Credits:...

Security Advisory 0037

Security Advisory 0037 . CSAF PDF Date: August 14th, 2018 Last Updated: March 25th, 2019 Version: 1.1 Revision | Date | Changes ---|---|--- 1.0 | August 14, 2018 | Initial Release 1.1 | March 25, 2019 | Updated with Remediated versions The CVE-ID tracking this issue is CVE-2018-5391 CVSS v2: 7.8...

FreeBSD -- Resource exhaustion in IP fragment reassembly

Problem Description: A researcher has notified us of a DoS attack applicable to another operating system. While FreeBSD may not be vulnerable to that exact attack, we have identified several places where inadequate DoS protection could allow an attacker to consume system resources. It is not...

Security update for the Linux Kernel (important)

The openSUSE Leap 15.0 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2018-5390 aka "SegmentSmack": A remote attacker even with relatively low bandwidth could have caused lots of CPU usage by triggering the worst case scenario during IP...

Security update for mercurial (moderate)

This update for mercurial fixes the following issues: Security issues fixed: - CVE-2018-13348: Fix the mpatchdecode function in mpatch.c that mishandles certain situations where there should be at least 12 bytes remaining after thecurrent position in the patch data boo1100353. - CVE-2018-13347: F...

Cisco StarOS Denial of Service Vulnerability in Multiple Cisco Products

Cisco Virtualized Packet Core-Single Instance VPC-SI, Virtualized Packet Core-Distributed Instance VPC-DI, and Ultra Packet Core UPC are productized versions of StarOS software deployed on dedicated hardware platforms from Cisco. Cisco StarOS is one of the virtualization operating systems. A deni...

CVE-2018-3577

While processing fragments, when the fragment count becomes very large, an integer overflow leading to a buffer overflow can occur in Android releases from CAF using the linux kernel Android for MSM, Firefox OS for MSM, QRD Android before security patch level 2018-06-05...

Integer overflow

While processing fragments, when the fragment count becomes very large, an integer overflow leading to a buffer overflow can occur in Android releases from CAF using the linux kernel Android for MSM, Firefox OS for MSM, QRD Android before security patch level 2018-06-05...

PYSEC-2018-88

The mpatchapply function in mpatch.c in Mercurial before 4.6.1 incorrectly proceeds in cases where the fragment start is past the end of the original data, aka OVE-20180430-0004...

CVE-2018-13346

The mpatchapply function in mpatch.c in Mercurial before 4.6.1 incorrectly proceeds in cases where the fragment start is past the end of the original data, aka OVE-20180430-0004...

DEBIAN-CVE-2018-13346

The mpatchapply function in mpatch.c in Mercurial before 4.6.1 incorrectly proceeds in cases where the fragment start is past the end of the original data, aka OVE-20180430-0004...

CVE-2018-13346

The mpatchapply function in mpatch.c in Mercurial before 4.6.1 incorrectly proceeds in cases where the fragment start is past the end of the original data, aka OVE-20180430-0004...

Summer SOTI - DDoS by the numbers

Time for a Change The State of the Internet / Security report has been the home for Akamai's research on DDoS, attack traffic and Internet threats for over three years. While the report has evolved and expanded its scope considerably over that time, the content and how it's presented have only se...