CVE-2021-3943

A flaw was found in Moodle in versions 3.11 to 3.11.3, 3.10 to 3.10.7, 3.9 to 3.9.10 and earlier unsupported versions. A remote code execution risk when restoring backup files was identified...

UBUNTU-CVE-2021-3943

A flaw was found in Moodle in versions 3.11 to 3.11.3, 3.10 to 3.10.7, 3.9 to 3.9.10 and earlier unsupported versions. A remote code execution risk when restoring backup files was identified...

CVE-2021-3943

A flaw was found in Moodle in versions 3.11 to 3.11.3, 3.10 to 3.10.7, 3.9 to 3.9.10 and earlier unsupported versions. A remote code execution risk when restoring backup files was identified...

Ransomware: Why do backups fail when you need them most?

Its widely known, and endlessly repeated, that the last, best line of defence against the potentially devastating effects of a ransomware attack is your backups. So why do we keep hearing things like this: Were also feeling relatively confident, we have a very good backup system … and then we fin...

Emerson WirelessHART Gateway 访问控制错误漏洞

Emerson WirelessHART Gateway is a wireless gateway from Emerson Corporation. The Emerson WirelessHART Gateway suffers from an Access Control Error vulnerability that stems from the susceptibility of the affected product to lack of privilege validation during system backup restoration. An attacker...

The vulnerability of the session restoration function of the Shibboleth Service Provider’s authentication component, related to the manipulation of the zero pointer, allows a perpetrator to trigger a service failure.

The vulnerability of the session restoration function of the Shibboleth Service Provider component is related to the manipulation of the zero pointer. Exploiting this vulnerability could allow a malicious actor to trigger a service failure using a specially created cookie file...

GHSA-GH6X-4WHR-2QV4 Null pointer dereference and heap OOB read in operations restoring tensors

Impact When restoring tensors via raw APIs, if the tensor name is not provided, TensorFlow can be tricked into dereferencing a null pointer: python import tensorflow as tf tf.rawops.Restore filepattern='/tmp', tensorname=, defaultvalue=21, dt=tf.int, preferredshard=1 The same undefined behavior c...

How Ready Are You for a Ransomware Attack?

Determining how hard a target you present for the current wave of human-driven ransomware involves multiple considerations. There are four steps to analyzing how prepared you are for a ransomware attack. Such analysis roughly breaks down as follows: 1 How easy it is to break into your environment...

CVE-2021-37639

TensorFlow is an end-to-end open source platform for machine learning. When restoring tensors via raw APIs, if the tensor name is not provided, TensorFlow can be tricked into dereferencing a null pointer. Alternatively, attackers can read memory outside the bounds of heap allocated data by...

PYSEC-2021-261

TensorFlow is an end-to-end open source platform for machine learning. When restoring tensors via raw APIs, if the tensor name is not provided, TensorFlow can be tricked into dereferencing a null pointer. Alternatively, attackers can read memory outside the bounds of heap allocated data by...

CVE-2021-37639

TensorFlow is an end-to-end open source platform for machine learning. When restoring tensors via raw APIs, if the tensor name is not provided, TensorFlow can be tricked into dereferencing a null pointer. Alternatively, attackers can read memory outside the bounds of heap allocated data by...

PYSEC-2021-750

TensorFlow is an end-to-end open source platform for machine learning. When restoring tensors via raw APIs, if the tensor name is not provided, TensorFlow can be tricked into dereferencing a null pointer. Alternatively, attackers can read memory outside the bounds of heap allocated data by...

PYSEC-2021-552

TensorFlow is an end-to-end open source platform for machine learning. When restoring tensors via raw APIs, if the tensor name is not provided, TensorFlow can be tricked into dereferencing a null pointer. Alternatively, attackers can read memory outside the bounds of heap allocated data by...

Out-of-bounds

TensorFlow is an end-to-end open source platform for machine learning. When restoring tensors via raw APIs, if the tensor name is not provided, TensorFlow can be tricked into dereferencing a null pointer. Alternatively, attackers can read memory outside the bounds of heap allocated data by...

PT-2021-21754 · Google · Tensorflow

Name of the Vulnerable Software and Affected Versions: TensorFlow versions prior to 2.6.0 TensorFlow version 2.5.1 TensorFlow version 2.4.3 TensorFlow version 2.3.4 Description: The issue occurs when restoring tensors via raw APIs in TensorFlow. If the tensor name is not provided, TensorFlow can ...

The True Impact of Ransomware Attacks

One of the most damaging myths about ransomware attacks is, “If your company does regular system backups, you don’t have to worry. Just restore from the backup.” While system backups are crucial — power outages, natural disasters, or even mistakes by employees can destroy data just as quickly as ...

Exploit for CVE-2020-1472

This repository is a proof-of-concept PoC exploit for CVE-2020-1472, a vulnerability in the Windows Netlogon service. The exploit requires the latest version of Impacket from GitHub, with added Netlogon structures. The PoC is designed to authenticate with an all-zero challenge and credential to t...

Don’t Wanna Pay Ransom Gangs? Test Your Backups.

Browse the comments on virtually any story about a ransomware attack and you will almost surely encounter the view that the victim organization could have avoided paying their extortionists if only theyd had proper data backups. But the ugly truth is there are many non-obvious reasons why victims...

Description of the security update for Microsoft Exchange Server 2013: July 13, 2021 (KB5004778)

Description of the security update for Microsoft Exchange Server 2013: July 13, 2021 KB5004778 This security update rollup resolves vulnerabilities in Microsoft Exchange Server. To learn more about these vulnerabilities, see the following Common Vulnerabilities and Exposures CVE: CVE-2021-31196 |...

3 things the Kaseya attack can teach us about ransomware recovery

Only rarely do companies allow us a look inside their organization while they are recovering from a ransomware attack. Many find it more convenient to keep a low profile or to be secretive. A positive exception to this is found in the Dutch managed service provider MSP VelzArt, one of the many...