SleeperGem Uses Three Malicious RubyGems Packages to Target Developer Machines

Cybersecurity researchers have flagged a new software supply chain attack codenamed SleeperGem targeting the Ruby ecosystem after three malicious gems were published to RubyGems with the end goal of serving additional payloads. The rogue gems are listed below - gitcredentialmanager versions 2.8.0...

RubyGems, PyPI Hit by Malicious Packages Stealing Credentials, Crypto, Forcing Security Changes

A fresh set of 60 malicious packages has been uncovered targeting the RubyGems ecosystem by posing as seemingly innocuous automation tools for social media, blogging, or messaging services to steal credentials from unsuspecting users and likely resell them on dark web forums like Russian Market...

RubyGems 2.6.13 - Arbitrary File Overwrite

RubyGems 2.6.13 - Arbitrary File Overwrite There is no check for name field in metadata.gz. By assigning a maliciously crafted string like ../../../../../any/where to the field, an attacker can create an arbitrary file out of the directory of the gem, or even replace an existing file with a...

RubyGems < 2.6.13 - Arbitrary File Overwrite

There is no check for name field in metadata.gz. By assigning a maliciously crafted string like ../../../../../any/where to the field, an attacker can create an arbitrary file out of the directory of the gem, or even replace an existing file with a malicious file. Proof of Concept 1: Create a fil...