CVE-2021-28879: Integer Overflow
First published: Sun Apr 11 2021(Updated: )
In the standard library in Rust before 1.52.0, the Zip implementation can report an incorrect size due to an integer overflow. This bug can lead to a buffer overflow when a consumed Zip iterator is used again.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Rust-lang Rust | <1.52.0 | |
| Fedoraproject Fedora | =32 | |
| Fedoraproject Fedora | =33 | |
| Fedoraproject Fedora | =34 |
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Reference Links
- https://github.com/rust-lang/rust/issues/82282
- https://github.com/rust-lang/rust/pull/82289
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CZ337CM4GFJLRDFVQCGC7J25V65JXOG5/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TFUO3URYCO73D2Q4WYJBWAMJWGGVXQO4/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VZG65GUW6Z2CYOQHF7T3TB5CZKIX6ZJE/
- https://security.gentoo.org/glsa/202210-09
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CZ337CM4GFJLRDFVQCGC7J25V65JXOG5/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VZG65GUW6Z2CYOQHF7T3TB5CZKIX6ZJE/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TFUO3URYCO73D2Q4WYJBWAMJWGGVXQO4/
Frequently Asked Questions
What is CVE-2021-28879?
CVE-2021-28879 is a vulnerability in the standard library in Rust before version 1.52.0 that can lead to a buffer overflow due to an integer overflow.
What is the severity of CVE-2021-28879?
CVE-2021-28879 has a severity rating of 9.8, which is considered critical.
How does CVE-2021-28879 impact Rust and Fedora?
CVE-2021-28879 affects Rust versions before 1.52.0 and Fedora versions 32, 33, and 34.
What is the Common Weakness Enumeration (CWE) ID for CVE-2021-28879?
CVE-2021-28879 is associated with CWE-119 and CWE-190.
Where can I find more information about CVE-2021-28879?
You can find more information about CVE-2021-28879 in the references provided: [1](https://github.com/rust-lang/rust/issues/82282), [2](https://github.com/rust-lang/rust/pull/82289), [3](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CZ337CM4GFJLRDFVQCGC7J25V65JXOG5/)
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