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CVE-2021-45711 — Uncontrolled Resource Consumption in simple_asn1...

HIGH

Uncontrolled Resource Consumption in simple_asn1

Published January 6, 2022Updated November 8, 2023Source: osv

Summary

An issue was discovered in the simple_asn1 crate 0.6.0 before 0.6.1 for Rust. There is a panic if UTCTime data, supplied by a remote attacker, has a second character greater than 0x7f.

Advisory Timeline

  • First published January 6, 2022 (1740 days ago).
  • Last revised November 8, 2023 — 670 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Cargo
Update simple_asn1 to 0.6.1 or later
cargo update -p simple_asn1 --precise 0.6.1

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: crates.io (1).

PackageEcosystemAffectedFixed In
simple_asn1
crates.io
0.6.00.6.1

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-400
    Uncontrolled Resource ConsumptionMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 7.5 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Frequently Asked Questions

What is CVE-2021-45711?
Uncontrolled Resource Consumption in simple_asn1 This vulnerability has been assigned a severity rating of HIGH (CVSS score: 7.5/10).
How do I check if my project is affected by CVE-2021-45711?
CVE-2021-45711 affects simple_asn1. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2021-45711 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
7.5

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-g4h2-4wvh-grc5
GHSA-3m6f-3gfg-4x56
RUSTSEC-2021-0125

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