Mozilla: Service Workers might have learned size of cross-origin media files

The Mozilla Foundation Security Advisory describes this flaw as: Service Workers should not be able to infer information about opaque cross-origin responses; but timing information for cross-origin media combined with Range requests might have allowed them to determine the presence or length of a...

Mozilla: Service Workers might have learned size of cross-origin media files

The Mozilla Foundation Security Advisory describes this flaw as: Service Workers should not be able to infer information about opaque cross-origin responses; but timing information for cross-origin media combined with Range requests might have allowed them to determine the presence or length of a...

Mozilla: Service Workers might have learned size of cross-origin media files

The Mozilla Foundation Security Advisory describes this flaw as: Service Workers should not be able to infer information about opaque cross-origin responses; but timing information for cross-origin media combined with Range requests might have allowed them to determine the presence or length of a...

Mozilla: Service Workers might have learned size of cross-origin media files

The Mozilla Foundation Security Advisory describes this flaw as: Service Workers should not be able to infer information about opaque cross-origin responses; but timing information for cross-origin media combined with Range requests might have allowed them to determine the presence or length of a...

Mozilla: Service Workers might have learned size of cross-origin media files

The Mozilla Foundation Security Advisory describes this flaw as: Service Workers should not be able to infer information about opaque cross-origin responses; but timing information for cross-origin media combined with Range requests might have allowed them to determine the presence or length of a...

GHSA-J4P3-2M2H-CV5F Cloud Foundry UAA Denial of Service through client token revocation endpoint

An issue was discovered in Cloud Foundry Foundation cf-release all versions prior to v279 and UAA 30.x versions prior to 30.6, 45.x versions prior to 45.4, 52.x versions prior to 52.1. In some cases, the UAA allows an authenticated user for a particular client to revoke client tokens for other...

CVE-2021-38491

Mixed-content checks were unable to analyze opaque origins which led to some mixed content being loaded. This vulnerability affects Firefox 92...

CVE-2021-38491

Mixed-content checks were unable to analyze opaque origins which led to some mixed content being loaded. This vulnerability affects Firefox 92...

CVE-2021-38491

Mixed-content checks were unable to analyze opaque origins which led to some mixed content being loaded. This vulnerability affects Firefox 92...

CVE-2021-38491

Mixed-content checks were unable to analyze opaque origins which led to some mixed content being loaded. This vulnerability affects Firefox 92...

CVE-2021-38491

Mixed-content checks were unable to analyze opaque origins which led to some mixed content being loaded. This vulnerability affects Firefox 92...

UBUNTU-CVE-2021-38491

Mixed-content checks were unable to analyze opaque origins which led to some mixed content being loaded. This vulnerability affects Firefox 92...

Banning Surveillance-Based Advertising

The Norwegian Consumer Council just published a fantastic new report: "Time to Ban Surveillance-Based Advertising." From the Introduction: The challenges caused and entrenched by surveillance-based advertising include, but are not limited to: privacy and data protection infringements opaque...

Targeted Malware Reverse Engineering Workshop follow-up. Part 2

If you have read our previous blogpost "Targeted Malware Reverse Engineering Workshop follow-up. Part 1", you probably know about the webinar we conducted on April 8, 2021, with Kaspersky GReATs Ivan Kwiatkowski and Denis Legezo, to share best practices in reverse engineering and demonstrate...

The Christchurch Shooter and YouTube’s Radicalization Trap

The platform has gotten better about stamping out extremist content. But researchers say its policies and algorithms are still too opaque...

CVE-2020-12391

Documents formed using data: URLs in an OBJECT element failed to inherit the CSP of the creating context. This allowed the execution of scripts that should have been blocked, albeit with a unique opaque origin. This vulnerability affects Firefox 76...

CVE-2020-12391

Documents formed using data: URLs in an OBJECT element failed to inherit the CSP of the creating context. This allowed the execution of scripts that should have been blocked, albeit with a unique opaque origin. This vulnerability affects Firefox 76...

CVE-2020-12391

The Mozilla Foundation Security Advisory describes this flaw as: Documents formed using data: URLs in an object element failed to inherit the CSP of the creating context. This allowed the execution of scripts that should have been blocked, albeit with a unique opaque origin...

UPDATE: Merlin v0.8.0

PenTestIT RSS Feed A week ago an update - Merlin v0.8.0 was released. There was a brief mention about Merlin in my post titled - List of Open Source C2 Post-Exploitation Frameworks. This new version includes several new features to increase Operations Security OPSEC and usability. One of the more...

Cross site scripting

During HTTP Live Stream playback on Firefox for Android, audio data can be accessed across origins in violation of security policies. Because the problem is in the underlying Android service, this issue is addressed by treating all HLS streams as cross-origin and opaque to access. Note: this issu...