securitylab | Resources related to GitHub Security Lab | Security library

by github C Version: etherpad-1.6.4-patched-codeql-database License: MIT

X-Ray Key Features Code Snippets Community Discussions(2)Vulnerabilities Install Support

kandi X-RAY | securitylab Summary

securitylab is a C library typically used in Security applications. securitylab has no bugs, it has no vulnerabilities, it has a Permissive License and it has medium support. You can download it from GitHub.

This is the main git repository of GitHub Security Lab. We use it for these main purposes:.

Support

Quality

Security

License

Reuse

Support

securitylab has a medium active ecosystem.

It has 1160 star(s) with 237 fork(s). There are 84 watchers for this library.

It had no major release in the last 12 months.

There are 15 open issues and 303 have been closed. On average issues are closed in 97 days. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of securitylab is etherpad-1.6.4-patched-codeql-database

Quality

securitylab has no bugs reported.

Security

securitylab has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

securitylab is licensed under the MIT License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

Reuse

securitylab releases are available to install and integrate.

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securitylab Key Features

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securitylab Examples and Code Snippets

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Community Discussions

Trending Discussions on securitylab

Can GitHub's / Semmle's CodeQL Query Executor be Self-hosted

How can we know the minimum stack size needed by a program launched with exec()?

QUESTION

Can GitHub's / Semmle's CodeQL Query Executor be Self-hosted

Asked 2020-May-28 at 08:10

I'd like to enable users of my service to write and execute CodeQL queries. I don't want to offload their execution to GitHub's / Semmle's servers. It's unclear whether this is doable, or whether I'd run into licensing issues.

In the security lab, it says "CodeQL is free for research and open source". I do want for the queries––which users write––to be open source. I don't, however, want for their execution to done by an external service.

Any thoughts would be greatly appreciated. Thank you!

...

ANSWER

Answered 2020-May-28 at 08:10

The full CodeQL license terms are available here. The license states (emphasis added):

Further, except (and only to the extent) permitted by applicable law or applicable third-party license, you will not (and have no right to):

... share, publish, distribute or lend the Software, provide or make available the Software as a hosted solution (whether on a standalone basis or combined, incorporated or integrated with other software or services) for others to use, or transfer the Software or these Terms to any third party.

What you are considering is explicitly disallowed by the license.

If you'd like to explore options, I'd suggest reaching out to the GitHub Security Lab directly.

Source https://stackoverflow.com/questions/62050272

QUESTION

How can we know the minimum stack size needed by a program launched with exec()?

Asked 2017-Jul-01 at 05:11

In an attempt to avoid stack clash attacks against a program, we tried to set a limit on the stack size with setrlimit(RLIMIT_STACK) to about 2 MB.

This limit is fine for our program's own internal needs, but we then noticed that attempts to exec() external programs began to fail on some systems with this new limit. One system we investigated using the test program below seems to have a minimum stack size for exec()'d programs of a bit over 4 MiB.

My question is, how can we know the safe minimum value for the stack size on a given system, so that exec() will not fail?

We don't want to just raise this until things stop failing on all the systems we currently test against, since that is likely to cause failures in the future as the program is ported to newer system types with higher minimum requirements.

The C test program below is written in terms of system(), but the lower-level symptom is a failure in the execl() syscall. Depending on the host OS you test on, you either get errno == E2BIG or a segfault in the called program when you give the called program too little stack space to start up.

Build with:

...

ANSWER

Answered 2017-Jul-01 at 05:02

Your program was launched successfully, therefore your program was implicitly given the correct stack size for launching other programs in turn: during your program's startup, get the current limit before you set the new lower limit:

Source https://stackoverflow.com/questions/44727636

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install securitylab

You can download it from GitHub.

Support

We welcome contributions to the CodeQL_Queries sub-directory and to the CodeQL Resources section of this README. If you have written a cool CodeQL query that you would like to share with the community, then please open a pull request to add it to the CodeQL_Queries sub-directory. Put your query in its own new sub-directory. For example: CodeQL_Queries/cpp/mynewsubdir/mycoolquery.ql. Of course, if you think your query might be eligible for a bounty, then you should open a pull request to the codeql repo instead, as we do not offer bounties for queries submitted to this repo. The queries in this repo are usually highly specialized queries that only make sense for a specific codebase, such as queries that specifically target Chrome or Apache Struts, or utility queries that help you explore your code without necessarily finding a vulnerability. Such queries are inappropriate for the codeql repo, which is for general purpose queries only. If you would like to add a link to the CodeQL Resources section of this README, to share a nice video or an awesome tool, then just add another bullet point in the appropriate section. Please see CONTRIBUTING.md, CODE_OF_CONDUCT.md, and LICENSE.md for further information on our contributing guidelines and license.

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