Ubuntu 16.04 LTS / 18.04 LTS : GNU C Library vulnerabilities (USN-4416-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4416-1 advisory. Florian Weimer discovered that the GNU C Library incorrectly handled certain memory operations. A remote attacker could use this issue to cau...

USN-4416-1: GNU C Library vulnerabilities

Florian Weimer discovered that the GNU C Library incorrectly handled certain memory operations. A remote attacker could use this issue to cause the GNU C Library to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. CVE-2017-121...

Apache Httpd < 2.4.44 : Push Diary Crash on Specifically Crafted HTTP/2 Header

In Apache HTTP Server versions 2.4.20 to 2.4.43, when trace/debug was enabled for the HTTP/2 module and on certain traffic edge patterns, logging statements were made on the wrong connection, causing concurrent use of memory pools. Configuring the LogLevel of modhttp2 above "info" will mitigate...

Security Bulletin: Multiple Vulnerabilities in WebSphere Application Server bundled with IBM WebSphere Application Server Patterns

Summary WebSphere Application Server is shipped as a component of IBM WebSphere Application Server Patterns. Information about security vulnerabilities affecting WebSphere Application Server have been published in multiple security bulletins. Vulnerability Details Refer to the security bulletins...

UBUNTU-CVE-2020-10878

Perl before 5.30.3 has an integer overflow related to mishandling of a "PLregkindOPn == NOTHING" situation. A crafted regular expression could lead to malformed bytecode with a possibility of instruction injection. An application written in Perl would only be vulnerable to this flaw if it evaluat...

Friday Squid Blogging: Humboldt Squid Communication

Humboldt Squid communicate by changing their skin patterns and glowing. As usual, you can also use this squid post to talk about the security stories in the news that I haven't covered. Read my blog posting guidelines here...

Analyzing the Effects of COVID-19 on mPulse Traffic

The events surrounding the COVID-19 pandemic, and in particular various social-distancing measures quarantine, shelter in place, etc., have had an impact on people's lives and routines across the world. As internet usage is a large part of those routines, we wanted to see how usage changed as the...

Security Bulletin: Potential spoofing attack in Webshere Application Server shipped with IBM WebSphere Application Server Patterns (CVE-2020-4421)

Summary WebSphere Application Server is shipped as a component of IBM WebSphere Application Server Patterns. Information about security vulnerabilities affecting WebSphere Application Server have been published in a security bulletin. Vulnerability Details Refer to the security bulletins listed i...

Anti-Phishing process with advanced phishing attacks simulation

This time I want to write about the service of my friends from Antiphish. They call it “security awareness and employee behaviour management platform”. Simply put, they teach company employees how to detect and avoid phishing attacks. By the way, they are great guys, made a demo for me, prepared...

[SECURITY] Fedora 31 Update: haproxy-2.0.14-1.fc31

HAProxy is a TCP/HTTP reverse proxy which is particularly suited for high availability environments. Indeed, it can: - route HTTP requests depending on statically assigned cookies - spread load among several servers while assuring server persistence through the use of HTTP cookies - switch to...

More Insights on The Global DDoS Threat Landscape

Recently, edge services product manager David Elmaleh and Imperva Research Labs’ data scientist Johnathan Azaria shared their DDoS knowledge in a live BrightTalk webinar about the current threat landscape and what you need to do to ensure you are adequately prepared. David and Johnathan not only...

Friday Squid Blogging: Humboldt Squid Backlight Themselves to Communicate More Clearly

This is neat: Deep in the Pacific Ocean, six-foot-long Humboldt squid are known for being aggressive, cannibalistic and, according to new research, good communicators. Known as "red devils," the squid can rapidly change the color of their skin, making different patterns to communicate, something...

MGASA-2020-0181 Updated git packages fix security vulnerability

Updated git packages fix security vulnerability: Malicious URLs can still cause Git to send a stored credential to the wrong server CvE-2020-111008. With a crafted URL that contains a newline or empty host, or lacks a scheme, the credential helper machinery can be fooled into providing credential...

Security Bulletin: Privilege Escalation Vulnerability in WebSphere Application Server shipped with IBM WebSphere Application Server Patterns (CVE-2020-4362)

Summary WebSphere Application Server is shipped as a component of IBM WebSphere Application Server Patterns. Information about security vulnerabilities affecting WebSphere Application Server have been published in a security bulletin. Vulnerability Details Refer to the security bulletins listed i...

CVE-2019-5489

A new software page cache side channel attack scenario was discovered in operating systems that implement the very common 'page cache' caching mechanism. A malicious user/process could use 'in memory' page-cache knowledge to infer access timings to shared memory and gain knowledge which can be us...

Will Social Distancing Break the Internet?

First off, no -- the Internet is not going to break! That said, the news media is awash with stories and statistics about how the Internet is faring with the increase in traffic due to isolation protocols forcing daily functions online. Which functions? In my house, we have remote work, e-learnin...

Security update for tor (moderate)

openSUSE Security Update: Security update for tor Announcement ID: openSUSE-SU-2020:0428-1 Rating: moderate References: 1167013 1167014 Cross-References: CVE-2020-10592 CVE-2020-10593 Affected Products: openSUSE Backports SLE-15-SP1 An update that fixes two vulnerabilities is now available...

openSUSE Security Update : tor (openSUSE-2020-406)

This update for tor to version 0.3.5.10 fixes the following issues : - tor was updated to version 0.3.5.10 : - CVE-2020-10592: Fixed a CPU consumption denial of service and timing patterns boo1167013 - CVE-2020-10593: Fixed a circuit padding memory leak boo1167014 C Tenable Network Security, Inc...

openSUSE: Security Advisory for tor (openSUSE-SU-2020:0406-1)

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH 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-or-later This program is free software; you can...

Security update for tor (moderate)

openSUSE Security Update: Security update for tor Announcement ID: openSUSE-SU-2020:0406-1 Rating: moderate References: 1167013 1167014 Cross-References: CVE-2020-10592 CVE-2020-10593 Affected Products: openSUSE Leap 15.1 An update that fixes two vulnerabilities is now available. Description: Thi...