VulnerabilityModified
CVE-2018-18407
The issue gets triggered in the function csum_replace4() in incremental_checksum.h, causing a denial of service.
MEDIUM 5.5EPSS 1.24%
Does this matter?
Lower severity and a low EPSS score (1.24%). Track it; it rarely justifies an emergency change on its own.
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 3.0
- 5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 1.24% probability · 67th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- broadcom/tcpreplay · fedoraproject/fedora
- Source
- cve@mitre.org
References
- https://github.com/SegfaultMasters/covering360/blob/master/tcpreplay/README.md#user-content-heap-overflow-in-csum_replace4Exploit, Third Party Advisory
- https://github.com/appneta/tcpreplay/issues/488Exploit, Patch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4V3SADKXUSHWTVAPU3WLXBDEQUHRA6ZO/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MLPY6W7Z7G6PF2JN4LXXHCACYLD4RBG6/
- https://github.com/SegfaultMasters/covering360/blob/master/tcpreplay/README.md#user-content-heap-overflow-in-csum_replace4Exploit, Third Party Advisory
- https://github.com/appneta/tcpreplay/issues/488Exploit, Patch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4V3SADKXUSHWTVAPU3WLXBDEQUHRA6ZO/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MLPY6W7Z7G6PF2JN4LXXHCACYLD4RBG6/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.