What is the CVSS score of CVE-2023-40305?

CVE-2023-40305 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.4%.

Is there a public PoC exploit available for CVE-2023-40305?

Yes, a public proof-of-concept exploit is available for CVE-2023-40305. Prioritise patching immediately. EPSS: 0.4%.

Indent CVE-2023-40305

MEDIUM

Out-of-bounds Write (CWE-787)

2023-08-14 cve@mitre.org

Memory Corruption Buffer Overflow Indent

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Aug 14, 2023 - 06:15 nvd

MEDIUM 5.5

DescriptionNVD

GNU indent 2.2.13 has a heap-based buffer overflow in search_brace in indent.c via a crafted file.

AnalysisAI

GNU indent 2.2.13 has a heap-based buffer overflow in search_brace in indent.c via a crafted file. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch 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. GNU indent 2.2.13 has a heap-based buffer overflow in search_brace in indent.c via a crafted file. Affected products include: Gnu Indent.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).