SB20230818198 - Denial of service in tcpdump
Published: August 18, 2023
Security Bulletin ID
SB20230818198
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2023-1801)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the SMB protocol decoder. A remote attacker can send specially crafted over the network, trigger an out-of-bounds write and crash the application.
Remediation
Install update from vendor's website.
References
- https://github.com/the-tcpdump-group/tcpdump/commit/03c037bbd75588beba3ee09f26d17783d21e30bc
- https://github.com/the-tcpdump-group/tcpdump/commit/7578e1c04ee280dda50c4c2813e7d55f539c6501
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KOA2BJFERAC3VRQIRHJOWN4HZY4ZA7CH/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WYL5DEVHRJYF2CM5LTCZKEYFYDZAIZSN/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZLLZCG23MU6O4QOG2CX3DLEL3YXP6LAI/