USN-5080-2 libgcrypt20 vulnerabilities

USN-5080-1 fixed several vulnerabilities in Libgcrypt. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: It was discovered that Libgcrypt incorrectly handled ElGamal encryption. An attacker could possibly use this issue to recover sensitive information...

What are SSL certificates?

Secure Sockets Layer SSL certificates are what cause your browser to display a padlock icon, indicating that your connection to a websites is secure. Although the padlock may soon be hidden from view, certificates arent going anywhere. Lets start with some definitions and explain some of the...

September 14, 2021—KB5005613 (Monthly Rollup)

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USN-5077-2 apport vulnerabilities

USN-5077-1 fixed several vulnerabilities in Apport. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Maik Münch and Stephen Röttger discovered that Apport incorrectly handled certain information gathering operations. A local...

Mozilla: Memory safety bugs fixed in Firefox 92, Firefox ESR 78.14 and Firefox ESR 91.1

Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR 78.14,...

Mozilla: Memory safety bugs fixed in Firefox 92, Firefox ESR 78.14 and Firefox ESR 91.1

Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR 78.14,...

Mozilla: Memory safety bugs fixed in Firefox 92, Firefox ESR 78.14 and Firefox ESR 91.1

Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR 78.14,...

Mozilla: Memory safety bugs fixed in Firefox 92, Firefox ESR 78.14 and Firefox ESR 91.1

Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR 78.14,...

Vulnerabilities fixed in Mozilla Firefox

Mozilla has fixed vulnerabilities in Firefox and Firefox Extended Support Release ESR. The vulnerabilities allow an unauthenticated remote malicious agent potentially able to perform attacks that result in the following categories of damage: Denial-of-Service DoS Circumvention of security measure...

How to Exploit SQL Server Using Registry Keys

At the Imperva Research Labs we have the chance to scrutinize various security situations. In this blog, we will take a closer look at database security on SQL Server. One routine approach that security practitioners employ to protect databases is deploying honeypots and waiting for bad actors to...

CVE-2021-28139

The Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier does not properly restrict the Feature Page upon reception of an LMP Feature Response Extended packet, allowing attackers in radio range to trigger arbitrary code execution in ESP32 via a crafted Extended Features bitfield...

CVE-2021-28139

The Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier does not properly restrict the Feature Page upon reception of an LMP Feature Response Extended packet, allowing attackers in radio range to trigger arbitrary code execution in ESP32 via a crafted Extended Features bitfield...

Design/Logic Flaw

The Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier does not properly restrict the Feature Page upon reception of an LMP Feature Response Extended packet, allowing attackers in radio range to trigger arbitrary code execution in ESP32 via a crafted Extended Features bitfield...

Security update for ntfs-3g_ntfsprogs (important)

openSUSE Security Update: Security update for ntfs-3gntfsprogs Announcement ID: openSUSE-SU-2021:2971-1 Rating: important References: 1189720 Cross-References: CVE-2019-9755 CVE-2021-33285 CVE-2021-33286 CVE-2021-33287 CVE-2021-33289 CVE-2021-35266 CVE-2021-35267 CVE-2021-35268 CVE-2021-35269...

How to Exploit SQL Server Using OLE Automation

As part of the Imperva Research Labs we have the opportunity to examine various security scenarios. In this post, we will consider database security on SQL Server. One standard method that security practitioners use to protect databases is deploying honeypots and waiting for hackers to take the...

UBUNTU-CVE-2021-40490

A race condition was discovered in ext4writeinlinedataend in fs/ext4/inline.c in the ext4 subsystem in the Linux kernel through 5.13.13...

Espressif ESP-IDF 代码注入漏洞

Espressif ESP-IDF is an Internet of Things IoT development framework from China's Loxin Information Technology Espressif. A code injection vulnerability exists in the Espressif ESP-IDF that stems from the Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier versions not properly...

SANS Experts: 4 Emerging Enterprise Attack Techniques

In a recent report, a panel of SANS Institute experts broke down key takeaways and emerging attack techniques from this year’s RSA Security Conference. The long and short of it? This next wave of malicious methodologies isn’t on the horizon — it’s here. When it comes to supply-chain and ransomwar...

SUSE: Security Advisory (SUSE-SU-2021:2834-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG 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-only ifdescription...

The vulnerabilities of Mozilla Firefox, Firefox ESR, and the email client Thunderbird stem from insufficient validation of input data, allowing attackers to forge updates for add-ons.

The vulnerability of Mozilla Firefox, Firefox ESR, and the email client Thunderbird exists due to insufficient validation of input data. Exploiting this vulnerability allows a malicious actor to forge updates to extensions by using the X-certificate server from addons.mozilla.org, signed by a...