Hunting for signs of persistence in the cloud: an IR guide following the CircleCI incident

Learn how to detect malicious persistence techniques in AWS, GCP & Azure after potential initial compromise, like with the CircleCI incident...

Ubuntu: Security Advisory (USN-5793-3)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-5790-1: Linux kernel vulnerabilities

It was discovered that the BPF verifier in the Linux kernel did not properly handle internal data structures. A local attacker could use this to expose sensitive information kernel memory. CVE-2021-4159 It was discovered that a race condition existed in the Android Binder IPC subsystem in the Lin...

SUSE-SU-2023:0009-1 Security update for saphanabootstrap-formula

This update for saphanabootstrap-formula fixes the following issues: - Version bump 0.13.1 revert changes to spec file to re-enable SLES RPM builds CVE-2022-45153: Fixed privilege escalation for arbitrary users in hana/hacluster.sls bsc1205990 - Version bump 0.13.0 pass sid to sudoers in a SLES12...

Ubuntu: Security Advisory (USN-5755-2)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-5757-2: Linux kernel vulnerabilities

Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-427...

Ubuntu: Security Advisory (USN-5728-3)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu 18.04 LTS : Linux kernel (GCP) vulnerabilities (USN-5728-3)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5728-3 advisory. Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential...

Use After Free

linux-oracle, linux-azure, linux-aws, linux-gcp, linux-kvm, linux-dell300x is vulnerable to free of use. The vulnerability exists in drivers/scsi/stex.c because it allows local users to obtain sensitive information from kernel memory because stexqueuecommandlck lacks a memset...

Ubuntu 16.04 ESM / 18.04 LTS : Linux kernel (GCP) vulnerabilities (USN-5727-2)

The remote Ubuntu 16.04 ESM / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5727-2 advisory. It was discovered that a race condition existed in the instruction emulator of the Linux kernel on Arm 64-bit systems. A local attacker could...

Rapid7 and HashiCorp Partner to Secure Terraform-based Cloud Infrastructure Deployments

Welcome to the latest installment in our cloud security “shift-left” blog series. In our last post, we covered the importance of integrating cloud infrastructure security assessments into DevOps tools and enabling Infrastructure as Code IaC developers. This time, we’re focusing on Rapid7’s recent...

USN-5729-1: Linux kernel vulnerabilities

It was discovered that a race condition existed in the instruction emulator of the Linux kernel on Arm 64-bit systems. A local attacker could use this to cause a denial of service system crash. CVE-2022-20422 Hsin-Wei Hung discovered that the BPF subsystem in the Linux kernel contained an...

USN-5728-1: Linux kernel vulnerabilities

Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-427...

Ubuntu: Security Advisory (USN-5695-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-5695-1: Linux kernel (GCP) vulnerabilities

It was discovered that the SUNRPC RDMA protocol implementation in the Linux kernel did not properly calculate the header size of a RPC message payload. A local attacker could use this to expose sensitive information kernel memory. CVE-2022-0812 Moshe Kol, Amit Klein and Yossi Gilad discovered tha...

Ubuntu: Security Advisory (USN-5677-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu: Security Advisory (USN-5678-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-5667-1: Linux kernel vulnerabilities

Selim Enes Karaduman discovered that a race condition existed in the General notification queue implementation of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-188...

USN-5660-1: Linux kernel (GCP) vulnerabilities

It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2021-33655 Moshe Ko...

Qualys Performance Tuning Series – Remove Stale Assets for Best Performance

As organizations transition to the cloud, their cloud environments and assets rapidly grow. Many of the assets within the cloud are ephemeral in nature, they exist for a few minutes, hours or days and then are terminated. These transitory assets pose a unique challenge from an asset and...