PT-2019-14537 · Rust · Once Cell

Published 2019-09-01 · Updated 2021-08-25 · CVE-2019-16141

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 once cell crate versions prior to 1.0.1

Description An issue was discovered where a panic occurs during the initialization of Lazy. If the initialization function panics during the first dereference of Lazy, subsequent dereferences will execute std::hints::unreachable unchecked. Applications with panic = "abort" are not affected.

Recommendations For once cell crate versions prior to 1.0.1, update to version 1.0.1 or later to resolve the issue. As a temporary workaround, consider setting panic = "abort" to prevent subsequent dereferences.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2019-16141

GHSA-7J44-FV4X-79G9

RUSTSEC-2019-0017

Affected Products

Once Cell

References · 13

• https://cve.org/CVERecord?id=CVE-2019-16141 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-16141 · Vendor Advisory
• https://osv.dev/vulnerability/RUSTSEC-2019-0017 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-7j44-fv4x-79g9 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-16141 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-16141 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-16141 · Security Note
• https://github.com/matklad/once_cell/issues/46 · Note
• https://github.com/matklad/once_cell/pull/47 · Note
• https://github.com/matklad/once_cell/commit/afcca95a05240ebd931ab20998c946f77ef1e284 · Note
• https://github.com/matklad/once_cell · Note
• https://crates.io/crates/once_cell · Note
• https://rustsec.org/advisories/RUSTSEC-2019-0017.html · Note