Stack-Based Buffer Overflow

Wireshark, previously known as Ethereal, is a network protocol analyzer, which is used to capture and browse the traffic running on a computer network. Several denial of service flaws were found in Wireshark. Wireshark could crash or stop responding if it read a malformed packet off a network, or...

Denial Of Service (DoS)

Wireshark, previously known as Ethereal, is a network protocol analyzer, which is used to capture and browse the traffic running on a computer network. Several denial of service flaws were found in Wireshark. Wireshark could crash or stop responding if it read a malformed packet off a network, or...

CRLF Injection

The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP. It was found that the libcurl library did not correctly handle partial literal IP addresses when parsing received HTTP cookies. An attacker...

50m-ctf: Writeup

h1 50M CTF =========== This is my solution for the h1 ctf. On the 27th of february h1 posted this tweet: Since there is no link no any sort of challenge I supposed the challenges is self contained inside this tweet. My guess was the first clue is inside the embeded picture, and since the second o...

Fedora 29 : libzip (2019-615e060d4e)

Version 1.5.2 - Fix bug in AES encryption affecting certain file sizes - Keep file permissions when modifying zip archives - Support systems with small stack size. - Add nullability annotations. Note that Tenable Network Security has extracted the preceding description block directly from the...

50m-ctf: 0xc0ffee's 50M-CTF Submission

Introduction This CTF was extremely fun and truly original. It covered different kinds of very interesting challenges where completing one challenge led to another one, like some sort of quest with various levels. Thank you Cody and HackerOne for giving 5 hackers the opportunity to go to Vegas,...

SMS-Stack - Framework to provided TPC/IP based characteristics to the GSM Short Message Service

Sms Stack is a Framework to provided TPC/IP based characteristics to the GSM Short Message Service. This framework works in multiple environments to provided a full stack integration in a service. The main layer features techniques to control the order and the number of sms for a given stream, an...

50m-ctf: Writeup Hackerone 50M CTF

Writeup Hackerone 50m CTF First stage of this ctf we need to solve an hidden file from an image which posted by HackerOne at twitter https://twitter.com/hacker0x01/status/1100543680383832065?lang=en. I tried to run bunch of steganography tools and i found something with zteg the exact command is...

Design/Logic Flaw

The receiver aka bridge component of Fujitsu Wireless Keyboard Set LX901 GK900 devices allows Keystroke Injection. This occurs because it accepts unencrypted 2.4 GHz packets, even though all legitimate communication uses AES encryption...

CVE-2019-9835

The receiver aka bridge component of Fujitsu Wireless Keyboard Set LX901 GK900 devices allows Keystroke Injection. This occurs because it accepts unencrypted 2.4 GHz packets, even though all legitimate communication uses AES encryption...

CVE-2019-9835

CVE-2019-9835 concerns the Fujitsu Wireless Keyboard Set LX901 GK900 receiver (bridge). The root cause is that the receiver accepts unencrypted 2.4 GHz packets, while legitimate communication uses AES; this enables keystroke injection. Metrics show a CVSS v3.0 base score of 9.6 (critical, adjacen...

CVE-2019-9835

The receiver aka bridge component of Fujitsu Wireless Keyboard Set LX901 GK900 devices allows Keystroke Injection. This occurs because it accepts unencrypted 2.4 GHz packets, even though all legitimate communication uses AES encryption...

Unpatched Fujitsu Wireless Keyboard Bug Allows Keystroke Injection

UPDATE Fujitsu is stopping sales for its popular wireless keyboard after a researcher discovered it is vulnerable to keystroke injection attacks that could allow an adversary to take control of a victim’s system. Researchers with Germany-based SySS reported on Friday that the high-severity...

VSHG - Hardware resistance & enhanced security for GnuPG

VSHG aims to provide a memory / hardware resistant reinforcement to GnuPG's standared s2k key-derivation-function + a simplified interface for symmetric encryption . About VSHG VSHG Very secure hash generator is a standalone Addon for GnuPG Gnu privacy guard . It is written as a shell script and ...

Google Boosts Encryption For Low-End Android Devices

Google introduced a new storage encryption solution that it hopes will expand security efforts across its full spectrum of Android-powered devices – including low-end devices that typically can’t support encryption. The new encryption offering, Adiantum, aims to solve a big issue that has plagued...

TAU Threat Intelligence Notification – Crypt0r Ransomware

Summary Crypt0r ransomware is a new strain of ransomware that operates similar to WannaCry and NotPetya. When executed, it first checks for a hardcoded mutex value, and if it isn’t found, creates it as “crypt0r-mutex”. It then retrieves the temporary path of the currently logged in user, and...

Denial Of Service (DoS)

Linux kernal-rt is vulnerable to denial of service. A buffer overflow flaw was found in the way the Linux kernel's Intel AES-NI instructions optimized version of the RFC4106 GCM mode decryption functionality handled fragmented packets. A remote attacker can use this flaw to crash, or potentially...

Ryuk Hauls in $3.7M in 'Earnings,' Adds TrickBot to the Attack Mix

The Ryuk ransomware has raked in $3.7 million in bitcoin payments since it first appeared last August, researchers say – and has emerged as the calling card for a crime organization called Grim Spider a.k.a. MixMaster. It turns out that Grim Spider could share a link with other crime syndicates,...

CVE-2017-18330

Buffer overflow in AES-CCM and AES-GCM encryption via initialization vector in snapdragon automobile, snapdragon mobile and snapdragon wear in versions IPQ8074, MDM9206, MDM9607, MDM9635M, MDM9640, MDM9650, MDM9655, MSM8909W, MSM8996AU, SD 210/SD 212/SD 205, SD 410/12, SD 425, SD 427, SD 430, SD...

Buffer overflow

Buffer overflow in AES-CCM and AES-GCM encryption via initialization vector in snapdragon automobile, snapdragon mobile and snapdragon wear in versions IPQ8074, MDM9206, MDM9607, MDM9635M, MDM9640, MDM9650, MDM9655, MSM8909W, MSM8996AU, SD 210/SD 212/SD 205, SD 410/12, SD 425, SD 427, SD 430, SD...