7.5
HIGH
CVE-2021-28877
Rust Standard Library Zip BufferOverread Vulnerability
Description

In the standard library in Rust before 1.51.0, the Zip implementation calls __iterator_get_unchecked() for the same index more than once when nested. This bug can lead to a memory safety violation due to an unmet safety requirement for the TrustedRandomAccess trait.

INFO

Published Date :

April 11, 2021, 8:15 p.m.

Last Modified :

Nov. 3, 2022, 7:36 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2021-28877 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-28877 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Rust-lang rust
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-28877.

URL Resource
https://github.com/rust-lang/rust/pull/80670 Issue Tracking Patch Third Party Advisory
https://security.gentoo.org/glsa/202210-09 Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

CVEs for the Rust standard library

Rust

Updated: 2 months, 4 weeks ago
48 stars 2 fork 2 watcher
Born at : July 1, 2021, 8:28 p.m. This repo has been linked 16 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-28877 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-28877 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Nov. 03, 2022

    Action Type Old Value New Value
    Changed Reference Type https://security.gentoo.org/glsa/202210-09 No Types Assigned https://security.gentoo.org/glsa/202210-09 Third Party Advisory
  • CVE Modified by [email protected]

    Oct. 16, 2022

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/202210-09 [No Types Assigned]
  • Initial Analysis by [email protected]

    Apr. 22, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://github.com/rust-lang/rust/pull/80670 No Types Assigned https://github.com/rust-lang/rust/pull/80670 Issue Tracking, Patch, Third Party Advisory
    Added CWE NIST CWE-119
    Added CPE Configuration OR *cpe:2.3:a:rust-lang:rust:*:*:*:*:*:*:*:* versions up to (excluding) 1.51.0
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.11 }} 0.01%

score

0.44323

percentile

CVSS31 - Vulnerability Scoring System
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