CVE-2020-18976
Published: 25 August 2021
Buffer Overflow in Tcpreplay v4.3.2 allows attackers to cause a Denial of Service via the 'do_checksum' function in 'checksum.c'. It can be triggered by sending a crafted pcap file to the 'tcpreplay-edit' binary. This issue is different than CVE-2019-8381.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
tcpreplay Launchpad, Ubuntu, Debian |
bionic |
Needed
|
| focal |
Needed
|
|
| hirsute |
Not vulnerable
(4.3.3-2)
|
|
| impish |
Not vulnerable
(4.3.3-2)
|
|
| jammy |
Not vulnerable
|
|
| kinetic |
Not vulnerable
|
|
| lunar |
Not vulnerable
|
|
| mantic |
Not vulnerable
|
|
| trusty |
Does not exist
(trusty was needed)
|
|
| upstream |
Released
(4.3.3-1)
|
|
| xenial |
Needed
|
|
|
Patches: upstream: https://github.com/appneta/tcpreplay/pull/591/commits/f3fe91fc65d17687822ed8f376f2e54b97f18291 upstream: https://github.com/appneta/tcpreplay/commit/e1cec7746cd52ab4910289e3b0f72e7c888022d2 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |