CVE-2018-17974

An issue was discovered in Tcpreplay 4.3.0 beta1. A heap-based buffer over-read was triggered in the function dlt_en10mb_encode() of the file plugins/dlt_en10mb/en10mb.c, due to inappropriate values in the function memmove(). The length (pktlen + ctx -> l2len) can be larger than source value (packet + ctx->l2len) because the function fails to ensure the length of a packet is valid. This leads to Denial of Service.

CVSS v3.0 NVD

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

CVSS v2.0 NVD

4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P

EPSS

0.99% chance of exploitation in the next 30 days, 62nd percentile

Published

2018-10-03

Updated

2024-08-05

Proof-of-concept exploits (2)

• SegfaultMasters/covering360/tree/master/tcpreplay4★ · 2019-04-03
• appneta/tcpreplay/issues/4861353★ · 2026-08-15

References

• CVE Record
• NVD entry

Related

• CVE-2018-11207
• CVE-2018-15671
• CVE-2018-17233
• CVE-2018-17234
• CVE-2018-17237
• CVE-2018-17432