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 (4)
Core 4
Core References
Exploit, Patch, Third Party Advisory x_refsource_misc
https://github.com/appneta/tcpreplay/issues/488
Exploit, Third Party Advisory x_refsource_misc
https://github.com/SegfaultMasters/covering360/blob/master/tcpreplay/README.md#user-content-heap-overflow-in-csum_replace4
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MLPY6W7Z7G6PF2JN4LXXHCACYLD4RBG6/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4V3SADKXUSHWTVAPU3WLXBDEQUHRA6ZO/
Scores
CVSS v3
5.5
EPSS
0.0028
EPSS Percentile
51.6%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Details
CWE
CWE-125
Status
published
Products (3)
broadcom/tcpreplay
4.3.0 beta1
fedoraproject/fedora
28
fedoraproject/fedora
29
Published
Oct 17, 2018
Tracked Since
Feb 18, 2026