CVE-2018-18407 Information

Description

A heap-based buffer over-read was discovered in the tcpreplay-edit binary of Tcpreplay 4.3.0 beta1 during the incremental checksum operation. The issue gets triggered in the function csum_replace4() in incremental_checksum.h causing a denial of service.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Reference

https://github.com/appneta/tcpreplay/issues/488 https://github.com/SegfaultMasters/covering360/blob/master/tcpreplay/README.mduser-content-heap-overflow-in-csum_replace4 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4V3SADKXUSHWTVAPU3WLXBDEQUHRA6ZO/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MLPY6W7Z7G6PF2JN4LXXHCACYLD4RBG6/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5