Date: Tue, 06 Sep 2022 08:31:12 -0400 From: Michael Orlitzky <michael@...itzky.com> To: oss-security@...ts.openwall.com Subject: Re: sagemath denial of service with abort() in gmp: overflow in mpz type On Tue, 2022-09-06 at 11:50 +0000, Jeremy Stanley wrote: > On 2022-09-06 08:47:58 +0300 (+0300), Georgi Guninski wrote: > [...] > > sagemath gives access to the python interpreter, so code execution > > is trivial. > [...] > > I'm not familiar with sagemath, but is it intended to protect > against such cases? Note that even if all it does is pass > expressions into CPython's eval(), it's pretty much impossible to > guard against misuse without completely sandboxing the underlying > processes. Denial of service scenarios are really the least of > worries in that case. That's about right. Sage does provide a web-based notebook interface, but the bottom line is that crashing is one of the nicer things you can ask it to do if it will execute your commands.
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