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The Source Code leaks
Hi guys, as you know, the source code of TF2 and CSGO has been leaked, what does this mean?

Source Code is basically a compilation of data and texts that are responsible for running the games. With this, people would be able to create new hacks to bypass VAC, steal personal info, and more.
Update: The source codes leaked are somewhat old, but are still a big problem for Valve since it can help people create cheats that can bypass the VAC system and find exploits whithin the game.

In this case, it is now possible for hackers to do a remote code execution (Arbitruary remote code execution) those playing on official TF2 servers, meaning they can access your computer and make changes to it without your permission.
UPDATE: After learning more, it is more complicated than it seems, and it would take a whole lot more than just being connected on the same server, and having the said source code

It is not known if CSGO servers are also affected.

The souce codes leaked contain until the updates of CSGO's Operation Hydra and TF2's Jungle Inferno update.

I highly recommend you log off from online steam-related websites (such as scrap.tf or tradeit.gg) and set you profile to private. The API also being leaked is only a rumor right now, and seems to be baseless.

Please feel free to correct anything I have said or to put more info.

Update #2: People are saying that it is confirmed that hackers (although I couldn't find stable evidence) now have access to RCE (Remote Code Executions) that can help them gain access to your computer just by being in the same server as you. However RCEs have existed even before the source codes were publicly released, and would take a whole lot more than just being on the same server as you. All this means now is just to be extremely cautious.

Update #3: Apparently, these source codes have been around on the internet for months, maybe even a couple of years. The only reason why it started becoming more public was because of a conflict whithin the community.

Update #4: Brockenstein has made a very good explanation as to why it isn't really much of a problem. His comment is definitely a good read

Update #5: A lot of people are asking if it is safe to play TF2/CSGO right now, CSGO already made an official announcement saying it is safe to play on their servers, so I would assume the same for TF2. RCEs are a lot harder than you think.

FINAL UPDATE: Both the TF2 dev team and CSGO dev team have confirmed that the source code leaks pose no risk to us regular players. You can play these games fine without any risk
Last edited by Symbols and Manners; Apr 22, 2020 @ 11:19pm
Originally posted by Spawn of Totoro:
https://twitter.com/CSGO/status/1253075594901774336

Official response:
We have reviewed the leaked code and believe it to be a reposting of a limited CS:GO engine code depot released to partners in late 2017, and originally leaked in 2018. From this review, we have not found any reason for players to be alarmed or avoid the current builds.
As always, playing on the official servers is recommended for greatest security.
We will continue to investigate the situation and will update news outlets and players if we find anything to prove otherwise. In the meantime, if anyone has more information about the leak, the Valve security page (next tweet) describes how best to report that information.
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Showing 1-15 of 89 comments
cSg|mc-Hotsauce Apr 22, 2020 @ 10:02am 
What is going on? Where is this info from?

:qr:
Cathulhu Apr 22, 2020 @ 10:04am 
Originally posted by Symbols and Manners:
Hi guys, as you know, the source code of TF2 and CSGO has been leaked, what does this mean?

Source Code is basically a compilation of data and texts that are responsible for running the games. With this, people would be able to create new hacks to bypass VAC, steal personal info, and more.

In this case, it is now possible for hackers to do a remote code execution (Arbitruary remote code execution) those playing on official TF2 servers, meaning they can access your computer and make changes to it without your permission.
Well, they'd have to find such security holes first. Even with direct access to the source code that is not a simple tasks.

Originally posted by Symbols and Manners:
I highly recommend you log off from online steam-related websites (such as scrap.tf or tradeit.gg) and set you profile to private.
Not sure what this is going to achieve as the trading API has nothing to do with the games in question.
cSg|mc-Hotsauce Apr 22, 2020 @ 10:05am 
Nvm... There are many threads on this in each game hub.

:qr:
Nan o Apr 22, 2020 @ 10:16am 
Don't play Source engine based games!
Valve has apparently recently been hacked. Source code was leaked, turn off auto updates PLEASE.
L3gend Apr 22, 2020 @ 10:16am 
Why
cSg|mc-Hotsauce Apr 22, 2020 @ 10:22am 
2017/2018 version of the code? Yeah... Not much they can do with it.

:qr:
AAAAAAGGGGHHHHHH!!! Apr 22, 2020 @ 10:28am 
I heard that people can hack your pc by playing in one of valves servers
Symbols and Manners Apr 22, 2020 @ 10:30am 
Originally posted by Cathulhu:
Not sure what this is going to achieve as the trading API has nothing to do with the games in question.

There are rumors as well that the API has been leaked, although I'm pretty sure those are baseless, just trying to be sure anyway.
Brian9824 Apr 22, 2020 @ 10:31am 
Originally posted by Did somebody say virus?:
I heard that people can hack your pc by playing in one of valves servers

I heard that you can catch Corona Virus by playing on an infected server.........
Sazzouu Apr 22, 2020 @ 10:41am 
Originally posted by cSg|mc-Hotsauce:
2017/2018 version of the code? Yeah... Not much they can do with it.

:qr:

Lol.. for a moment I actually thought that there was finally a breach at Valve that would force me to leave this plattform for goods :emofdr: Good thing it is just people not knowing anything
cattywampus Apr 22, 2020 @ 10:46am 
****WARNING****
**CODE GAMER WARNING**
**DEFCON 0**
tf2 the Multiplayer video game... is under attack from a hackers and the evil hacked vlave source code! Delete TF2 to save all ur items and dont play online servers ever again to defeat the virus
eram Apr 22, 2020 @ 10:47am 
Originally posted by brian9824:
Originally posted by Did somebody say virus?:
I heard that people can hack your pc by playing in one of valves servers

I heard that you can catch Corona Virus by playing on an infected server.........

No they locked all that down, it doesn't exist on steam.
nullable Apr 22, 2020 @ 10:48am 
Originally posted by TheMemeSniper:
Don't play Source engine based games!
Valve has apparently recently been hacked. Source code was leaked, turn off auto updates PLEASE.

Blind leading the blind...


Originally posted by Did somebody say virus?:
I heard that people can hack your pc by playing in one of valves servers

By someone with more imagination than expertise.
AAAAAAGGGGHHHHHH!!! Apr 22, 2020 @ 10:52am 
GUYS MAYBE THE REASON WHY THEY HACKED IT IS BECAUSE THEY GONNA RELEASE THE HEAVY UPDATE
AAAAAAGGGGHHHHHH!!! Apr 22, 2020 @ 10:53am 
Originally posted by brian9824:
Originally posted by Did somebody say virus?:
I heard that people can hack your pc by playing in one of valves servers

I heard that you can catch Corona Virus by playing on an infected server.........
yes you do bro
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Date Posted: Apr 22, 2020 @ 9:54am
Posts: 89