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Ten-Year Old sudo Vulnerability Gives Root Privileges on Host

posted by Fnord666 on Thursday January 28 2021, @07:31AM   Printer-friendly
from the hiding-in-plain-site dept.

upstart writes in with an IRC submission for Bytram:

Ten-Year Old Sudo Vulnerability Gives Root Privileges on Host:

A major security hole in the Sudo utility could be abused by unprivileged users to gain root privileges on the vulnerable host, Qualys reports.

Designed to allow users to run programs with the security privileges of another user (by default superuser, hence the name, which is derived from 'superuser do'), Sudo is present in major Unix- and Linux-based operating systems out there.

Tracked as CVE-2021-3156, the recently identified vulnerability, which Qualys refers to as "Baron Samedit," was introduced in July 2011, and can be exploited to gain root privileges using a default Sudo configuration.

This means that an attacker able to compromise a low-privileged account on the machine could abuse the vulnerability to gain root access.

All legacy versions of Sudo, from 1.8.2 to 1.8.31p2, as well as the utility's stable releases from 1.9.0 to 1.9.5p1 are affected, in their default configuration.

[...] Qualys, which provides an in-depth technical analysis of the vulnerability, has published a proof-of-concept video to demonstrate how the issue can be exploited.

Also at Bleeping Computer.

CVE-2021-3156: Heap-Based Buffer Overflow in Sudo (Baron Samedit)

CVE-2021-3156

Original Submission

 
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  • (Score: 0) by Anonymous Coward on Friday January 29 2021, @07:22AM

    by Anonymous Coward on Friday January 29 2021, @07:22AM (#1106510)

    C is probably the best programming language that EVER existed; AND is still widely used today. It should be and it has it's place. Security this, security that, yablabblahblahblah. Maybe if we didn't stick computers up our asses and build a society that would crumble within a month of a huge solar event; we'd be all right. Most of the zero-days in software are introduced intentionally by state actors anyway. One hand sets 'em up, the other knocks 'em down.

    Scalpels are sharp and dangerous; therefore only robots should wield them. Eh...

    We probably all just like the programming language we know best. In the end, each one is a tool. Some of them are powerful. Some of them are niche. Some of them are cliche. Some of the are a joke. Some of them are cute. Some of them are fun. Some of them are extremely useful. Etc.. etc.. etc..