or higher as soon as possible. A security fix was merged to the 1.0.1 release branch. Users of the 1.0.0 release branch are advised to update as soon. The 1.0.0 release branch has been marked as `unstable`. Users on this branch are advised to update as soon as possible. For more information about the security issue and the fix, please read the original announcement. The Rust Language team thanks the RedTeam Security for reporting the issue and the community for helping finding a resolution. Open Source of the Month: Rust is a language that is particularly noteworthy for its focus on programmer safety. Most importantly, Rust provides memory safety guarantees by default. This is a powerful feature that enables Rust to be used in a variety of settings where data must be trusted. Additionally, Rust has a number of best practices that make the language easier to use and more secure than other languages.
Memory Safety by Default
Memory safety is one of the most important features of Rust because memory safety is an essential requirement for most programming languages. Generally, a programming language must be able to guarantee that its programs can never cause a stack overflow or other similar problems. When a bug like this occurs, it usually leads to some kind of denial-of-service (DoS) attacks. With memory safety guarantees in place, these kinds of bugs are impossible to create, and the language can be used in many different settings where data must be trusted. This is particularly notable because Rust provides memory safety guarantees by default, rather than needing to opt-in for memory safety. Memory safety by default also enables Rust to have more secure code than other languages due to less need for defensive programming techniques.
Rust for Memory Safety and Best Practices
Rust is a general purpose programming language with a focus on safety. By default, the language provides memory safety, which allows developers to write programs that cannot crash or otherwise perform unexpected actions. This is particularly important in environments where data must be trusted. Additionally, Rust has a number of best practices that make the language easier to use and more secure than other languages.
Although it was originally developed as a systems programming language for use in embedded devices, Rust is also becoming popular as an interpreted language for web development. Its main features include:
- memory safety - multi-threading - execution model based on borrowing (similar to Java's interface) - support for concurrency without garbage collection
Memory Safety: The Good, the Bad and the Ugly
As a language, Rust provides memory safety guarantees by default. This is a powerful feature that enables Rust to be used in a variety of settings where data must be trusted. Memory safety guarantees make it easier to write secure code because there are fewer opportunities for something bad to happen when you’re not explicitly doing something unsafe. Examples of good use cases include:
Rust also has a number of best practices that make the language easier to use and more secure than other languages. These best practices ensure that your code is efficient and easy to maintain.
Memory Safety by Default
The Rust language is a systems programming language that focuses on programmer safety. Memory safety guarantees are enabled by default in this language and are a powerful feature that enables Rust to be used in a variety of settings where data must be trusted.
Memory safety by default provides a number of benefits for users. First, it helps ensure that programs will never corrupt memory (which would lead to crashes) and instead will behave as expected. Second, it ensures that incorrect memory accesses are caught at compile time rather than runtime. Third, memory safety makes the use of zero-cost abstractions like reference counting safer, since the compiler can guarantee that there is no dangling pointer or other issue with the returned value. Finally, memory safety makes writing automated tests easier because they can focus on verifying behavior rather than worrying about potential errancy's in code bases.
Timeline
Published on: 01/20/2022 18:15:00 UTC
Last modified on: 05/26/2022 03:15:00 UTC
References
- https://github.com/rust-lang/rust/pull/93110
- https://github.com/rust-lang/rust/pull/93110/commits/32ed6e599bb4722efefd78bbc9cd7ec4613cb946
- https://github.com/rust-lang/rust/pull/93110/commits/406cc071d6cfdfdb678bf3d83d766851de95abaf
- https://blog.rust-lang.org/2022/01/20/cve-2022-21658.html
- https://github.com/rust-lang/rust/pull/93110/commits/4f0ad1c92ca08da6e8dc17838070975762f59714
- https://github.com/rust-lang/rust/security/advisories/GHSA-r9cc-f5pr-p3j2
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BK32QZLHDC2OVLPKTUHNT2G3VHWHD4LX/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/C63NH72Q7UHJM5V3IVYRI7LVBGGFQMSQ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CKGTACKMKAPRDPWPTU26GYWBELIRFF5N/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7JKZDTBMGAWIFJSNWKBMPO5EAKRR4BEW/
- https://support.apple.com/kb/HT213183
- https://support.apple.com/kb/HT213182
- https://support.apple.com/kb/HT213193
- https://support.apple.com/kb/HT213186
- https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-21658