Multiple data integrity vulnerabilities exist in the package hash checking functionality…
Priority LOW 37CWE-494Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-494.
Summary
Multiple data integrity vulnerabilities exist in the package hash checking functionality of Buildroot 2023.08.1 and Buildroot dev commit 622698d7847. A specially crafted man-in-the-middle attack can lead to arbitrary command execution in the builder.This vulnerability is related to the `riscv64-elf-toolchain` package.
Why it matters now
EPSS 0.0081 57th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-45840
- 2026-10-03 Alias added: GHSA-wrw9-r95r-fm43
References
More Buildroot vulnerabilities
- TI-2023-24602 Multiple data integrity vulnerabilities exist in the package hash checking functionality… CVSS 3.1HIGH 8.1
- TI-2023-24601 Multiple data integrity vulnerabilities exist in the package hash checking functionality… CVSS 3.1HIGH 8.1
- TI-2023-24599 Multiple data integrity vulnerabilities exist in the package hash checking functionality… CVSS 3.1HIGH 8.1
- TI-2023-24598 Multiple data integrity vulnerabilities exist in the package hash checking functionality… CVSS 3.1HIGH 8.1
- TI-2023-23337 A data integrity vulnerability exists in the BR_NO_CHECK_HASH_FOR functionality of… CVSS 3.1HIGH 8.1
Sources
- CVE-2023-45840 · CVE Program
- CVE-2023-45840 · NVD
- FIRST EPSS
- GHSA-wrw9-r95r-fm43 · GitHub Advisory Database · CC BY 4.0
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