A week in security (August 31 – September 6)

Last week on Malwarebytes Labs, we dug into security hubris on the Lock and Code podcast, explored ways in which Apple’s notarization process may not be hitting all the right notes, and detailed a new web skimmer. We also explained how to keep distance learners secure, talked about PCI DSS...

SUSE-SU-2020:2487-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP1 RT kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2020-10135: Legacy pairing and secure-connections pairing authentication in Bluetooth BR/EDR Core Specification v5.2 and earlier may have allowed an...

PCI DSS compliance: why it’s important and how to adhere

PCI DSS is short for Payment Card Industry Data Security Standard. Every party involved in accepting credit card payments is expected to comply with the PCI DSS. The PCI Standard is mandated by the card brands, but administered by the Payment Card Industry Security Standards Council PCI SSC. The...

CVE-2020-15687

Missing access control restrictions in the Hypervisor component of the ACRN Project v2.0 and v1.6.1 allow a malicious entity, with root access in the Service VM userspace, to abuse the PCIe assign/de-assign Hypercalls via crafted ioctls and payloads. This attack results in a corrupt state and...

hw/pci/pci.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access by providing an address near the end of the PCI configuration space.

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OracleVM 3.4 : Unbreakable / etc (OVMSA-2020-0032)

The remote OracleVM system is missing necessary patches to address critical security updates : - uek-rpm: Add OL6 shim conflict for new signing key Eric Snowberg Orabug: 31688239 - Revert 'certs: Add Oracle's new X509 cert into the kernel keyring' Eric Snowberg Orabug: 31688223 - blk-mq: don't...

Unbreakable Enterprise kernel security update

4.14.35-1902.305.4 - ptp: free ptp device pin descriptors properly Vladis Dronov Orabug: 31710994 4.14.35-1902.305.3 - fs/binfmtelf.c: allocate initialized memory in fillthreadcoreinfo Alexander Potapenko Orabug: 31350638 CVE-2020-10732 - PCI: vmd: Filter resource type bits from shadow register J...

Unbreakable Enterprise kernel security update

5.4.17-2011.5.3uek - misc: pvpanic: add crash loaded event zhenwei pi Orabug: 31677096 - misc: pvpanic: move bit definition to uapi header file zhenwei pi Orabug: 31677096 - RDMA/netlink: Do not always generate an ACK for some netlink operations Hakon Bugge Orabug: 31666971 - bnxten: Fix statisti...

openSUSE Security Update : the Linux Kernel (openSUSE-2020-1153)

The openSUSE Leap 15.1 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : - CVE-2019-16746: An issue was discovered in net/wireless/nl80211.c where it did not check the length of variable elements in a beacon head, leading to a buffer overflow...

SUSE-SU-2020:2156-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP4 RT kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2020-10135: Legacy pairing and secure-connections pairing authentication in Bluetooth BR/EDR Core Specification v5.2 and earlier may have allowed an...

P2PE v3.0 – Why organizations should prepare now

The Payment Card Industry Security Standards Council PCI SSC published version 3.0 of the Point-To-Point Encryption P2PE standard back in December 2019. The new version simplifies and adds flexibility to the process for component and solution providers to validate their P2PE products for cardhold...

EulerOS 2.0 SP8 : kernel (EulerOS-SA-2020-1807)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - The kernel package contains the Linux kernel vmlinuz, the core of any Linux operating system. The kernel handles the basic functions of the...

kernel security and bug fix update

3.10.0-1127.18.2.OL7 - Oracle Linux certificates Ilya Okomin - Oracle Linux RHCK Module Signing Key was compiled into kernel [email protected] - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32 and shim-x64 setlease be called without ilock Jeff Layton...

kernel security, bug fix, and enhancement update

4.18.0-193.13.22.OL8 - Oracle Linux certificates Alexey Petrenko - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug: 24817676 4.18.0-193.13.22 - Rebuild to get kernel image properly signed Bruno...

SUSE-SU-2020:2027-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP2 Azure kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2020-15780: A lockdown bypass for loading unsigned modules using ACPI table injection was fixed. bsc1173573 - CVE-2020-15393: Fixed a memory leak in...

Linux ioperm bitmap context switching issues

ISSUE DESCRIPTION Linux 5.5 overhauled the internal state handling for the iopl and ioperm system calls. Unfortunately, one aspect on context switch wasn't wired up correctly for the Xen PVOps case. IMPACT IO port permissions don't get rescinded when context switching to an unprivileged task...

DEBIAN-CVE-2020-15565

An issue was discovered in Xen through 4.13.x, allowing x86 Intel HVM guest OS users to cause a host OS denial of service or possibly gain privileges because of insufficient cache write-back under VT-d. When page tables are shared between IOMMU and CPU, changes to them require flushing of both...

CVE-2020-15565

An issue was discovered in Xen through 4.13.x, allowing x86 Intel HVM guest OS users to cause a host OS denial of service or possibly gain privileges because of insufficient cache write-back under VT-d. When page tables are shared between IOMMU and CPU, changes to them require flushing of both...

insufficient cache write-back under VT-d

ISSUE DESCRIPTION When page tables are shared between IOMMU and CPU, changes to them require flushing of both TLBs. Furthermore, IOMMUs may be non-coherent, and hence prior to flushing IOMMU TLBs CPU cached also needs writing back to memory after changes were made. Such writing back of cached dat...

Tuesday’s Magento 1 EOL Leaves Clock Ticking on 100K Online Stores

With Magento 1 reaching end-of-life EOL on Tuesday, Adobe is making a last-ditch effort to urge the 100,000 online stores still running the outdated version to migrate to Magento 2. Magento is a popular, Adobe-owned open-source e-commerce platform that powers many online shops. After June 30...