GHSA-94HH-PJJG-RWMR Padding Oracle Attack due to Observable Timing Discrepancy in jose-browser-runtime

Impact AESCBCHMACSHA2 Algorithm A128CBC-HS256, A192CBC-HS384, A256CBC-HS512 decryption would always execute both HMAC tag verification and CBC decryption, if either failed JWEDecryptionFailed would be thrown. But a possibly observable difference in timing when padding error would occur while...

Padding Oracle Attack

jose-node-esm-runtime is vulnerable to padding oracle attack. An attacker is able to exploit a padding error without knowing the decryption key by issuing on average 128b calls to the padding oracle while decrypting the ciphertext which makes a padding error...

CVE-2021-29446

jose-node-cjs-runtime is an npm package which provides a number of cryptographic functions. In versions prior to 3.11.4 the AESCBCHMACSHA2 Algorithm A128CBC-HS256, A192CBC-HS384, A256CBC-HS512 decryption would always execute both HMAC tag verification and CBC decryption, if either failed...

CVE-2021-29446 Padding Oracle Attack due to Observable Timing Discrepancy in jose-node-cjs-runtime

jose-node-cjs-runtime is an npm package which provides a number of cryptographic functions. In versions prior to 3.11.4 the AESCBCHMACSHA2 Algorithm A128CBC-HS256, A192CBC-HS384, A256CBC-HS512 decryption would always execute both HMAC tag verification and CBC decryption, if either failed...

Code injection

jose is an npm library providing a number of cryptographic operations. In vulnerable versions AESCBCHMACSHA2 Algorithm A128CBC-HS256, A192CBC-HS384, A256CBC-HS512 decryption would always execute both HMAC tag verification and CBC decryption, if either failed JWEDecryptionFailed would be thrown. A...

CVE-2021-29443 Padding Oracle Attack due to Observable Timing Discrepancy in jose

jose is an npm library providing a number of cryptographic operations. In vulnerable versions AESCBCHMACSHA2 Algorithm A128CBC-HS256, A192CBC-HS384, A256CBC-HS512 decryption would always execute both HMAC tag verification and CBC decryption, if either failed JWEDecryptionFailed would be thrown. A...

Directory traversal

Yeastar NeoGate TG400 91.3.0.3 devices are affected by Directory Traversal. An authenticated user can decrypt firmware and can read sensitive information, such as a password or decryption key...

CVE-2021-27328

Yeastar NeoGate TG400 91.3.0.3 devices are affected by Directory Traversal. An authenticated user can decrypt firmware and can read sensitive information, such as a password or decryption key...

Ransomware Demands Spike 320%, Payments Rise

When it comes to paying the ransom in a ransomware attack, demands are on the rise. Yet, many companies that paid the ransom failed to receive a decryption key, in a survey issued Monday. In fact, pandemic-themed phishing scams, a sustained onslaught of ransomware attacks and the rise of a remote...

CVE-2020-14474

The Cellebrite UFED physical device 5.0 through 7.5.0.845 relies on key material hardcoded within both the executable code supporting the decryption process, and within the encrypted files themselves by using a key enveloping technique. The recovered key material is the same for every device...

Alabama Hospitals Pay Up in Ransomware Attack

An Alabama hospital system has paid its attackers in a ransomware attack that knocked its systems offline on Oct. 1. Officials at the DCH Health System didn’t say how much the hospitals paid for the decryption key, but noted that they have started a “methodical” process of system restoration. “We...

iNSYNQ Ransom Attack Began With Phishing Email

A ransomware outbreak that hit QuickBooks cloud hosting firm iNSYNQ in mid-July appears to have started with an email phishing attack that snared an employee working in sales for the company, KrebsOnSecurity has learned. It also looks like the intruders spent roughly ten days rooting around...

What Happens When Victims Pay Ransomware Attackers?

For many hackers around the globe, ransomware infections have become a lucrative business. Although these types of malware samples have been around for years now, they continue to spur success - and high monetary profits - for attackers. In fact, according to a statement from U.S. Deputy Attorney...

Armor - Tool Designed To Create Encrypted macOS Payloads Capable Of Evading Antivirus Scanners

Armor is a simple Bash script designed to create encrypted macOS payloads capable of evading antivirus scanners. Below is an example gif of Armor being used with a simple Netcat payload. A Netcat listener is started on port 4444. The "payload.txt" file is read and shown to contain a simple Bash...

First-Ever Ransomware Found Using 'Process Doppelgänging' Attack to Evade Detection

Security researchers have spotted the first-ever ransomware exploiting Process Doppelgänging, a new fileless code injection technique that could help malware evade detection. The Process Doppelgänging attack takes advantage of a built-in Windows function, i.e., NTFS Transactions, and an outdated...

Bad Rabbit Linked to ExPetr/Not Petya Attacks

A link has been confirmed between the Bad Rabbit ransomware outbreak detected yesterday in major organizations in Russia and Ukraine and this summer’s ExPetr/Not Petya attacks. Researchers at Kaspersky Lab said there are “clear ties” between the two attacks though one major piece of the puzzle is...

It's Not Exactly Open Season on the iOS Secure Enclave

The black box that is Apple’s iOS Secure Enclave may have been pried open, but that doesn’t necessarily mean it’s open season on iPhones and iPads worldwide. Yesterday’s public disclosure of the decryption key for the Secure Enclave Processor firmware does indeed allow white and black hats to pok...

Decryption Key to Original Petya Ransomware Released

The master key to the original version of the Petya ransomware – not to be confused with the latest and massive Petya/ExPetr outbreak that swept through the Ukraine and parts of Europe last month – has been released, allowing all the victims of previous Petya attacks to unscramble their encrypted...

Private Decryption Key For Original Petya Ransomware Released

Rejoice Petya-infected victims! The master key for the original version of the Petya ransomware has been released by its creator, allowing Petya-infected victims to recover their encrypted files without paying any ransom money. But wait, Petya is not NotPetya. Do not confuse Petya ransomware with...

Original Author of Petya Ransomware is Back & He Wants to Help NotPetya Victims

The author of original Petya ransomware is back. After 6 months of silence, the author of the now infamous Petya ransomware appeared today on Twitter to help victims unlock their files encrypted by a new version of Petya, also known as NotPetya. "We're back having a look in NotPetya," tweeted...