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Catalin Cimpanu @campuscodi
, 6 tweets, 3 min read Read on Twitter
Thousands of Jenkins servers will let anonymous users become admins, are open to corporate theft, can let hackers plant backdoors

zdnet.com/article/thousa…
This is the result of a combo of two flaws. The first one lets you move the config from the home directory and reset Jenkins into a state where everyone can be admin.

cve.mitre.org/cgi-bin/cvenam…
The second one lets an attacker create temporary users and log into Jenkins servers.... yeah... not good.
Both issues were patched in July and August, respectively

jenkins.io/security/advis…

jenkins.io/security/advis…
There are currently over 78,000 Jenkins servers that can be discovered via Shodan

shodan.io/search?query=x…
In a few minutes, found that over 2,000 are running old versions, that are vulnerable.

Remember when a group of hackers took over a bunch of Jenkins servers at the start of the year and made $3.4 million in Monero?

Guess what's gonna happen next...

bleepingcomputer.com/news/security/…
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