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Application Security

2 MIN READ

Quick Hits



P2P SELF-REPLICATING CLOUD WORM TARGETS REDIS

Although not all Redis instances are vulnerable to the P2P worm variant, all of
them can expect a compromise attempt, researchers warn.
Dark Reading Staff
Dark Reading
July 19, 2023
Source: cometakatie via Alamy Stock Photo
PDF


Note: Article updated on 7-20-23 to add a statement from Redis.



Researchers have identified a cross-platform, Rust-based, peer-to-peer (P2) worm
that's targeting the Redis open-source database application;
specifically, containers in the cloud. 

A July 19 report from Palo Alto Network's Unit 42 named the cloud worm an
appropriate moniker: "P2PInfect." The team suspects, due to its substantial
command-and-control (C2) network, and mentions of the word "miner," that it
could be the first stage of a wider cryptomining operation.

While the Unit 42 team found more than 300,000 Redis systems online, not all are
vulnerable to the P2Pinfect worm — in fact they found just 934 of those. The
team said vulnerable Redis systems are unpatched against the Lua sandbox escape
vulnerability tracked under CVE-2022-0543, which scores 10 out of 10 on the CVSS
vulnerability-severity scale.



"While the vulnerability was disclosed in 2022, its scope is not fully known at
this point," the Unit 42 P2P cloud worm report explained. "Additionally, the
fact that P2PInfect exploits Redis servers running on both Linux and Windows
operating systems makes it more scalable and potent than other worms."

The problem for the rest of the Redis user base is that Unit 42 analysts predict
that every Redis system can expect threat actors to attempt a breach. And, it
can be modified with additional compromise tactics at any time, meaning that
Redis instances that are not vulnerable now could become crackable in the
future.

"The P2P network appears to possess multiple C2 features such as 'Auto-updating'
that would allow the controllers of the P2P network to push new payloads into
the network that could alter and enhance the performance of any of the malicious
operations," according to the report.

The Unit 42 added it will continue to track P2PInfect.



“We’ve previously seen other malware created to take advantage of CVE-2022-0543,
a vulnerability created by how certain versions of Debian Linux package the Lua
engine for open source Redis,” the company said in a statement provided to Dark
Reading. “Redis Enterprise software bundles a hardened version of the Lua module
which is not susceptible to this vulnerability. As such, customers running Redis
Enterprise licensed software are not at risk from CVE-2022-0543 and P2PInfect.
Users of open source Redis are encouraged to use official distributions
available directly from redis.io."

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