CVE-2018-18407
First published: Wed Oct 17 2018(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Broadcom Tcpreplay | =4.3.0-beta1 | |
| Fedoraproject Fedora | =28 | |
| Fedoraproject Fedora | =29 |
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Reference Links
- https://github.com/SegfaultMasters/covering360/blob/master/tcpreplay/README.md#user-content-heap-overflow-in-csum_replace4
- https://github.com/appneta/tcpreplay/issues/488
- 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/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MLPY6W7Z7G6PF2JN4LXXHCACYLD4RBG6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4V3SADKXUSHWTVAPU3WLXBDEQUHRA6ZO/
Frequently Asked Questions
What is CVE-2018-18407?
CVE-2018-18407 is a heap-based buffer over-read vulnerability in the tcpreplay-edit binary of Tcpreplay 4.3.0 beta1.
How does CVE-2018-18407 affect Tcpreplay?
CVE-2018-18407 causes a denial of service in Tcpreplay 4.3.0 beta1 during the incremental checksum operation.
What software versions are affected by CVE-2018-18407?
CVE-2018-18407 affects Tcpreplay 4.3.0 beta1, Fedora 28, and Fedora 29.
What is the severity of CVE-2018-18407?
CVE-2018-18407 has a severity score of 5.5, which is categorized as medium.
How to fix CVE-2018-18407?
It is recommended to upgrade Tcpreplay to a version that is not affected by CVE-2018-18407.
- collector/nvd-index
- agent/references
- agent/weakness
- agent/severity
- agent/author
- agent/type
- agent/event
- agent/description
- agent/softwarecombine
- agent/first-publish-date
- agent/last-modified-date
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- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/broadcom
- canonical/broadcom tcpreplay
- version/broadcom tcpreplay/4.3.0-beta1
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/28
- version/fedoraproject fedora/29