Local Privilege Escalation Vulnerability Affecting X.Org Server For 18 Years (www.phoronix.com)

submitted 3 weeks ago by mox@lemmy.sdf.org to c/linux@lemmy.world

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[-] stepan@lemmy.cafe 26 points 3 weeks ago

I love the link thumbnail!

[-] mvirts@lemmy.world 12 points 3 weeks ago

Lol not even reading it because I've always assumed that if there's an RCE on desktop it will inevitably lead to full system compromise.

😅

It's trust all the way down.

[-] possiblylinux127@lemmy.zip 12 points 3 weeks ago

Is this news worthy? X is the classic example of how a code base becomes completely unmanageable

[-] Mwa@lemm.ee 1 points 3 weeks ago

Yeah the original x11 (x windowing system) has not been updated since 2012 (xorg in April 2024) it makes sense

[-] Mwa@lemm.ee 4 points 3 weeks ago* (last edited 3 weeks ago)

Considering x windowing system (the original x11) has not been updated since 2012 it makes sense (but xorg popular x11 Implementation was last updated in April 2024)

[-] exu@feditown.com 2 points 3 weeks ago

I know Phoronix comments, but what's up with the Linux Mint hate?

[-] kamenlady@lemmy.world 7 points 3 weeks ago

Tbf, there's 1 Mint comment and 1 reply to that comment.

[+] d_k_bo@feddit.org -6 points 3 weeks ago

By providing a modified bitmap to the X.Org Server, a heap-based buffer overflow privilege escalation can occur.

Maybe we should stop writing security critical software in memory unsafe languages. I now this vulnerability was introduced a long time ago, but given that major Wayland compositors are still written in C, something like this isn't too unlikely to happen again.

[-] superkret@feddit.org 21 points 3 weeks ago

Let's re-write all currently existing software in Rust, then there will be no more security holes, and every computer will be safe forever.

[-] leo85811nardo@lemmy.world 12 points 3 weeks ago

Wait till bro find out the program written in the "memory safe language" depends on many libraries written in C

[-] 2xsaiko@discuss.tchncs.de 1 points 3 weeks ago

Everyone knows. There’s nothing to “find out”.

[-] possiblylinux127@lemmy.zip 7 points 3 weeks ago

The problem is a huge codebase that no one understands.

[-] woelkchen@lemmy.world 4 points 3 weeks ago

major Wayland compositors are still written in C

KWin is written in C++ but yes, it's not a "safe" language.

something like this isn’t too unlikely to happen again.

With at least three mainstream implementations – KWin, Mutter, and wlroots – it's highly unlikely that all would ever be equally affected by one bug.

this post was submitted on 29 Oct 2024

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