CVE-2018-18408

critical
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

A use-after-free was discovered in the tcpbridge binary of Tcpreplay 4.3.0 beta1. The issue gets triggered in the function post_args() at tcpbridge.c, causing a denial of service or possibly unspecified other impact.

References

https://github.com/appneta/tcpreplay/issues/489

https://github.com/SegfaultMasters/covering360/blob/master/tcpreplay/README.md#use-after-free-in-post_args

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-416

Risk Information

CVSS v2

Base Score: 7.5

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

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3

Base Score: 9.8

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

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL

Tenable Plugins

View all (5 total)

IDNameProductFamilySeverity
124510Fedora 30 : tcpreplay (2019-7d689dd314)NessusFedora Local Security Checks
critical
123050Fedora 29 : tcpreplay (2019-e40253f67e)NessusFedora Local Security Checks
critical
123045Fedora 28 : tcpreplay (2019-a9c08d4b40)NessusFedora Local Security Checks
critical
120955Fedora 29 : tcpreplay (2018-5f91054677)NessusFedora Local Security Checks
critical
120954Fedora 28 : tcpreplay (2018-166b220ff1)NessusFedora Local Security Checks
critical