Kernel: error in exception handling leads to DoS

A flaw was found in the way the Linux kernel handled exceptions delivered after a stack switch operation via Mov SS or Pop SS instructions. During the stack switch operation, the processor did not deliver interrupts and exceptions, rather they are delivered once the first instruction after the...

Kernel: KVM: error in exception handling leads to wrong debug stack value

A flaw was found in the way the Linux kernel's KVM hypervisor handled exceptions delivered after a stack switch operation via Mov SS or Pop SS instructions. During the stack switch operation, the processor did not deliver interrupts and exceptions, rather they are delivered once the first...

Kernel: KVM: error in exception handling leads to wrong debug stack value

A flaw was found in the way the Linux kernel's KVM hypervisor handled exceptions delivered after a stack switch operation via Mov SS or Pop SS instructions. During the stack switch operation, the processor did not deliver interrupts and exceptions, rather they are delivered once the first...

Kernel: error in exception handling leads to DoS

A flaw was found in the way the Linux kernel handled exceptions delivered after a stack switch operation via Mov SS or Pop SS instructions. During the stack switch operation, the processor did not deliver interrupts and exceptions, rather they are delivered once the first instruction after the...

Denial Of Service (DoS)

libraw.so is vulnerable to denial of service DoS attacks. The vulnerability exists due to a floating point exception in kodakradcloadraw of dcrawcommon.cpp, allowing DoS attacks to occur...

Malwarebytes CrackMe 2: contest summary

About three weeks ago, we published our second CrackMe. It triggered a lot of interest, and we got many high-quality write-ups. Choosing the winner was really difficult! In this post, I am going to summarize the contest and comment on the received submissions. CrackMe 2 challenge The topic of the...

ILIAS Cross-Site Scripting Vulnerability (CNVD-2018-10349)

ILIAS is a Web-based learning management system developed by the ILIAS team. The system contains modules for course management, file sharing, and live chat. A cross-site scripting vulnerability exists in the error.php page in versions 5.3.x prior to ILIAS 5.3.4 and 5.2.x. A remote attacker can...

Cross site scripting

error.php in ILIAS 5.2.x through 5.3.x before 5.3.4 allows XSS via the text of a PDO exception...

CVE-2018-10307

error.php in ILIAS 5.2.x through 5.3.x before 5.3.4 allows XSS via the text of a PDO exception...

CVE-2018-10307

error.php in ILIAS 5.2.x through 5.3.x before 5.3.4 allows XSS via the text of a PDO exception...

CVE-2018-10307

ILIAS LMS vulnerability CVE-2018-10307 affects ILIAS 5.2.x through 5.3.x before 5.3.4. The issue is an XSS in error.php triggered by the text of a PDO exception, allowing injection of arbitrary web script/HTML. Impact is user-exposed XSS; exploitation details are not provided beyond the injection...

Kernel: error in exception handling leads to DoS

A flaw was found in the way the Linux kernel handled exceptions delivered after a stack switch operation via Mov SS or Pop SS instructions. During the stack switch operation, the processor did not deliver interrupts and exceptions, rather they are delivered once the first instruction after the...

Kernel: KVM: error in exception handling leads to wrong debug stack value

A flaw was found in the way the Linux kernel's KVM hypervisor handled exceptions delivered after a stack switch operation via Mov SS or Pop SS instructions. During the stack switch operation, the processor did not deliver interrupts and exceptions, rather they are delivered once the first...

CVE-2018-1087

kernel KVM before versions kernel 4.16, kernel 4.16-rc7, kernel 4.17-rc1, kernel 4.17-rc2 and kernel 4.17-rc3 is vulnerable to a flaw in the way the Linux kernel's KVM hypervisor handled exceptions delivered after a stack switch operation via Mov SS or Pop SS instructions. During the stack switch...

DEBIAN-CVE-2018-1087

kernel KVM before versions kernel 4.16, kernel 4.16-rc7, kernel 4.17-rc1, kernel 4.17-rc2 and kernel 4.17-rc3 is vulnerable to a flaw in the way the Linux kernel's KVM hypervisor handled exceptions delivered after a stack switch operation via Mov SS or Pop SS instructions. During the stack switch...

What we’ve got here is failure to communicate: OS vendors misread CPU docs, create flaw

In a memorable scene from “Jumpin’ Jack Flash,” Whoopi Goldberg struggles to understand the lyrics of the eponymous song from the Rolling Stones, as she pleads: “Mick, Mick, Mick, speak English!” It appears that multiple operating system vendors had similar trouble interpreting Intel and AMD...

RHEL 6 : kernel-rt (RHSA-2018:1354)

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:1354 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

Exploit for Improper Handling of Exceptional Conditions in Apache Struts

CVE-2017-5638 Apache Struts 2.3.5 2.3.31 / 2.5 2.5.1...

Xen Intel Architecture Debug Exception Handling Local Privilege Escalation (XSA-260)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by a local privilege escalation vulnerability. Note that Nessus has checked the changeset versions based on the xen.git change log. Nessus did not check guest hardware configurations or if...

Major OS Players Misinterpret Intel Docs, and Now Kernels Can Be Hijacked

Multiple operating system vendors issued coordinated patches this week to address a common vulnerability across their platforms, which was introduced thanks to widespread misinterpretation of Intel developer documentation. According to the CERT/CC team, most major players including Apple, FreeBSD...