CVE-2021-28879
CRITICALCVSS 9.8/10EPSS 2.41%
Last modified
CVE-2021-28879 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 2.41% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Rust-Lang | Rust | < 1.52.0 |
| Fedoraproject | Fedora | 32 |
| Fedoraproject | Fedora | 33 |
| Fedoraproject | Fedora | 34 |
References
- https://github.com/rust-lang/rust/issues/82282Exploit, Issue Tracking, Third Party Advisory
- https://github.com/rust-lang/rust/pull/82289Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202210-09Third Party Advisory
- https://github.com/rust-lang/rust/issues/82282Exploit, Issue Tracking, Third Party Advisory
- https://github.com/rust-lang/rust/pull/82289Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202210-09Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-28879?
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.
How severe is CVE-2021-28879?
CVE-2021-28879 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.41% probability of exploitation in the next 30 days.
How do I fix CVE-2021-28879?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-28861Python 3.x through 3.10 has an open redirection vulnerabilit…7.4
- CVE-2021-28874SerenityOS fixed as of c9f25bca048443e317f1994ba9b106f238668…7.8
- CVE-2021-28875In the standard library in Rust before 1.50.0, read_to_end()…7.5
- CVE-2021-28876In the standard library in Rust before 1.52.0, the Zip imple…5.3
- CVE-2021-28877In the standard library in Rust before 1.51.0, the Zip imple…7.5
- CVE-2021-28878In the standard library in Rust before 1.52.0, the Zip imple…7.5
- CVE-2021-28890J2eeFAST 2.2.1 allows remote attackers to perform SQL inject…9.8
- CVE-2021-28899Vulnerability in the AC3AudioFileServerMediaSubsession, ADTS…7.5
- CVE-2021-28901Multiple cross-site scripting (XSS) vulnerabilities exist in…5.4
- CVE-2021-28902In function read_yin_container() in libyang <= v1.0.225, it …7.5
- CVE-2021-28903A stack overflow in libyang <= v1.0.225 can cause a denial o…7.5
- CVE-2021-28904In function ext_get_plugin() in libyang <= v1.0.225, it does…7.5
Are you affected by CVE-2021-28879?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST