CVE-2018-18407

MEDIUM

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.

References

https://github.com/appneta/tcpreplay/issues/488

https://github.com/SegfaultMasters/covering360/blob/master/tcpreplay/README.md#user-content-heap-overflow-in-csum_replace4

https://lists.fedoraproject.org/archives/list/[email protected]/message/4V3SADKXUSHWTVAPU3WLXBDEQUHRA6ZO/

https://lists.fedoraproject.org/archives/list/[email protected]/message/MLPY6W7Z7G6PF2JN4LXXHCACYLD4RBG6/

Details

Source: MITRE

Published: 2018-10-17

Updated: 2019-03-29

Type: CWE-125

Risk Information

CVSS v2.0

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 5.5

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

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM