What is the CVSS score of CVE-2023-29416?

CVE-2023-29416 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.9%.

Is there a public PoC exploit available for CVE-2023-29416?

Yes, a public proof-of-concept exploit is available for CVE-2023-29416. Prioritise patching immediately. EPSS: 0.9%.

Is there a patch available for CVE-2023-29416?

Yes, a patch is available for CVE-2023-29416. Update the affected software to the latest version immediately.

Bzip3 CVE-2023-29416

MEDIUM

Out-of-bounds Write (CWE-787)

2023-04-06 cve@mitre.org

Memory Corruption Buffer Overflow Bzip3

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Apr 06, 2023 - 05:15 nvd

MEDIUM 6.5

DescriptionNVD

An issue was discovered in libbzip3.a in bzip3 before 1.3.0. A bz3_decode_block out-of-bounds write can occur with a crafted archive because bzip3 does not follow the required procedure for interacting with libsais.

AnalysisAI

An issue was discovered in libbzip3.a in bzip3 before 1.3.0. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. An issue was discovered in libbzip3.a in bzip3 before 1.3.0. A bz3_decode_block out-of-bounds write can occur with a crafted archive because bzip3 does not follow the required procedure for interacting with libsais. Affected products include: Bzip3 Project Bzip3. Version information: before 1.3.0..

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).