PT-2020-17522 · Rust · Ordnung Crate

Published 2020-09-03 · Updated 2021-08-25 · CVE-2020-35890

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions ordnung crate versions through 0.0.1

Description The issue concerns the compact::Vec in the ordnung crate, which violates memory safety. This occurs via out-of-bounds access for large capacity and through the remove() function, which is not panic-safe and can cause a double-free when an index larger than the length is provided. Additionally, there's a 32-bit / allocator layout mismatch in 64-bit environments.

Recommendations For ordnung crate versions through 0.0.1, consider disabling the compact::Vec until a patch is available to prevent out-of-bounds access and double-free issues. Restrict the use of the remove() function to prevent double-free errors. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Out of bounds Read

Double Free

Weakness Enumeration

CWE-125

CWE-415

Related Identifiers

CVE-2020-35890

GHSA-4WJ3-P7HJ-CVX8

GHSA-QRWC-JXF5-G8X6

RUSTSEC-2020-0038

Affected Products

Ordnung Crate

References · 10

• 🔥 https://rustsec.org/advisories/RUSTSEC-2020-0038.html · Exploit
• https://osv.dev/vulnerability/GHSA-qrwc-jxf5-g8x6 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-35891 · Security Note
• https://osv.dev/vulnerability/CVE-2020-35890 · Vendor Advisory
• https://osv.dev/vulnerability/RUSTSEC-2020-0038 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-4wj3-p7hj-cvx8 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-35890 · Security Note
• https://github.com/maciejhirsz/ordnung/issues/8 · Note
• https://github.com/maciejhirsz/ordnung · Note
• https://crates.io/crates/ordnung · Note