MNBSD-2025-4: tcpdump SMB decoder OOB write

Description

The SMB protocol decoder in tcpdump version 4.99.3 can perform an out-of-bounds write when decoding a crafted network packet.

Affected Versions

tcpdump

Specific versions:

• 2.1.0
• 2.1.1
• 2.2.0
• 2.2.1
• 2.2.2
• 2.2.3
• 2.2.4
• 2.2.5
• 2.2.6
• 2.2.7
• 2.2.8
• 3.0.0
• 3.0.1
• 3.0.2
• 3.1.0
• 3.1.1
• 3.1.2
• 3.1.3
• 3.1.4
• 3.1.5
• 3.2.0
• 3.2.1
• 3.2.2

Recommendations

Update to the 3.2.3 release or greater

References

• https://nvd.nist.gov/vuln/detail/CVE-2023-1801
• https://github.com/the-tcpdump-group/tcpdump/commit/7578e1c04ee280dda50c4c2813e7d55f539c6501

Additional Information

Aliases: CVE-2023-1801

Published: April 04, 2025
Last Modified: April 04, 2025