Service workers and base URIs

Previously when we've run into a contentious service worker design issue, we've asked web developers what they think. This has worked out pretty well in the past, with developer feedback directly informing spec changes. It's also great because we can blame y'all if you pick the wrong thing. Well,...

2016 - the year of web streams

Yeah, ok, it's a touch bold to talk about something being the thing of the year as early as January, but the potential of the web streams API has gotten me all excited. TL;DR: Streams can be used to do fun things like turn clouds to butts, transcode MPEG to GIF, but most importantly, they can be...

SUSE SLES12 Security Update : Recommended update for git (SUSE-SU-2015:2325-1)

The git package was updated to fix the following security issue : - CVE-2015-7545: Fix remote code execution with recursive fetch of submodules bsc948969. Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempt...

Ubuntu 14.04 LTS : Linux kernel vulnerabilities (USN-2848-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-2848-1 advisory. Felix Wilhelm discovered a race condition in the Xen paravirtualized drivers which can cause double fetch vulnerabilities. An attacker in the...

Ubuntu 15.10 : linux vulnerabilities (USN-2851-1)

Felix Wilhelm discovered a race condition in the Xen paravirtualized drivers which can cause double fetch vulnerabilities. An attacker in the paravirtualized guest could exploit this flaw to cause a denial of service crash the host or potentially execute arbitrary code on the host. CVE-2015-8550...

Ubuntu 14.04 LTS : Linux kernel (Vivid HWE) vulnerabilities (USN-2854-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-2854-1 advisory. Felix Wilhelm discovered a race condition in the Xen paravirtualized drivers which can cause double fetch vulnerabilities. An attacker in the...

USN-2850-1: Linux kernel vulnerabilities

Felix Wilhelm discovered a race condition in the Xen paravirtualized drivers which can cause double fetch vulnerabilities. An attacker in the paravirtualized guest could exploit this flaw to cause a denial of service crash the host or potentially execute arbitrary code on the host. CVE-2015-8550...

USN-2849-1 linux-lts-utopic vulnerabilities

Felix Wilhelm discovered a race condition in the Xen paravirtualized drivers which can cause double fetch vulnerabilities. An attacker in the paravirtualized guest could exploit this flaw to cause a denial of service crash the host or potentially execute arbitrary code on the host. CVE-2015-8550...

SUSE-SU-2015:2325-1 Recommended update for git

The git package was updated to fix the following security issue: - CVE-2015-7545: Fix remote code execution with recursive fetch of submodules bsc948969...

paravirtualized drivers incautious about shared memory contents

ISSUE DESCRIPTION The compiler can emit optimizations in the PV backend drivers which can lead to double fetch vulnerabilities. Specifically the shared memory between the frontend and backend can be fetched twice during which time the frontend can alter the contents possibly leading to arbitrary...

CVE-2015-8550

Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service host OS crash or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability...

PT-2015-7800

Name of the Vulnerable Software and Affected Versions Xen affected versions not specified Description The issue allows local guest OS administrators to cause a denial of service host OS crash or gain privileges by writing to memory shared between the frontend and backend. This is related to a...

UBUNTU-CVE-2015-8550

Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service host OS crash or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability...

Information disclosure

The importScripts function in the Web Workers API implementation in Mozilla Firefox before 43.0 allows remote attackers to bypass the Same Origin Policy by triggering use of the no-cors mode in the fetch API to attempt resource access that throws an exception, leading to information disclosure...

CVE-2015-7215

The importScripts function in the Web Workers API implementation in Mozilla Firefox before 43.0 allows remote attackers to bypass the Same Origin Policy by triggering use of the no-cors mode in the fetch API to attempt resource access that throws an exception, leading to information disclosure...

PT-2015-3226

Name of the Vulnerable Software and Affected Versions Mozilla Firefox versions prior to 43.0 Description The issue is related to the importScripts function in the Web Workers API implementation, which lacks protection of internal data. This can be exploited by a remote attacker to bypass the...

UBUNTU-CVE-2015-7215

The importScripts function in the Web Workers API implementation in Mozilla Firefox before 43.0 allows remote attackers to bypass the Same Origin Policy by triggering use of the no-cors mode in the fetch API to attempt resource access that throws an exception, leading to information disclosure...

SUSE-SU-2015:2184-1 Recommended update for git

The git package was updated to fix the following security issue: - Fix remote code execution with recursive fetch of submodules bsc948969...

PT-2015-7861

Name of the Vulnerable Software and Affected Versions git affected versions not specified Description The issue allows for remote code execution with recursive fetch of submodules. Recommendations At the moment, there is no information about a newer version that contains a fix for this...

SUSE SLES12 Security Update : git (SUSE-SU-2015:2025-1)

The git package was updated to fix the following security issue : - Fix remote code execution with recursive fetch of submodules bsc948969. Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to...