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CVE-2023-22895 — Vulnerability in bzip2 — CVE Details

HIGH

bzip2 allows attackers to cause a denial of service via a large file that triggers an integer overflow

Published January 10, 2023Updated November 8, 2023Source: osv

Summary

The bzip2 crate before 0.4.4 for Rust allow attackers to cause a denial of service via a large file that triggers an integer overflow in `mem.rs`. NOTE: this is unrelated to the https://crates.io/crates/bzip2-rs product.

Advisory Timeline

  • First published January 10, 2023 (1371 days ago).
  • Last revised November 8, 2023 — 302 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Cargo
Update bzip2 to 0.4.4 or later
cargo update -p bzip2 --precise 0.4.4

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

Affected Packages (1)

Affects 1 ecosystem: crates.io (1).

PackageEcosystemAffectedFixed In
bzip2
crates.io
All versions0.4.4

Vulnerability Classification

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

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-2023-22895?
bzip2 allows attackers to cause a denial of service via a large file that triggers an integer overflow 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-2023-22895?
CVE-2023-22895 affects bzip2. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2023-22895 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-96jv-r488-c2rj
RUSTSEC-2023-0004

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