CVE-2022-31117

UltraJSON is a fast JSON encoder and decoder written in pure C with bindings for Python 3.7+. In versions prior to 5.4.0 an error occurring while reallocating a buffer for string decoding can cause the buffer to get freed twice. Due to how UltraJSON uses the internal decoder, this double free is...

CVE-2022-31117 Double free of buffer during string decoding in ujson

UltraJSON is a fast JSON encoder and decoder written in pure C with bindings for Python 3.7+. In versions prior to 5.4.0 an error occurring while reallocating a buffer for string decoding can cause the buffer to get freed twice. Due to how UltraJSON uses the internal decoder, this double free is...

PT-2022-20540

Name of the Vulnerable Software and Affected Versions UltraJSON versions prior to 5.4.0 Description The issue occurs when an error happens while reallocating a buffer for string decoding, causing the buffer to get freed twice. Due to how UltraJSON uses the internal decoder, this double free is...

CVE-2022-31117: Double Free

UltraJSON is a fast JSON encoder and decoder written in pure C with bindings for Python 3.7+. In versions prior to 5.4.0 an error occurring while reallocating a buffer for string decoding can cause the buffer to get freed twice. Due to how UltraJSON uses the internal decoder, this double free is...

GandCrab Operators Resurface with REvil Malware

The malware that hit 22 Texas municipalities and various dentist offices around the country recently is likely the work of the crew behind the GandCrab ransomware – indicating that the group didn’t really retire after all. In late May, the GandCrab operators said they decided to ride off into the...

Updated python/python3 packages fix security vulnerability

It was discovered that Python incorrectly handled decoding certain strings. An attacker could possibly use this issue to execute arbitrary code CVE-2017-1000158...

USN-3496-3 python3.4, python3.5 vulnerability

USN-3496-1 fixed a vulnerability in Python2.7. This update provides the corresponding update for versions 3.4 and 3.5. Original advisory details: It was discovered that Python incorrectly handled decoding certain strings. An attacker could possibly use this issue to execute arbitrary code...

FLARE Script Series: Automating Obfuscated String Decoding

Introduction We are expanding our script series beyond IDA Pro. This post extends the FireEye Labs Advanced Reverse Engineering FLARE script series to an invaluable tool for the reverse engineer – the debugger. Just like IDA Pro, debuggers have scripting interfaces. For example, OllyDbg uses an...