Vulnerability Details : CVE-2020-18976
Potential exploit
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.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2020-18976
- cpe:2.3:a:broadcom:tcpreplay:4.3.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-18976
0.16%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 34 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-18976
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2020-18976
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-18976
-
https://github.com/appneta/tcpreplay/issues/556
A Buffer Overflow Write Bug at Checksum.c:88 · Issue #556 · appneta/tcpreplay · GitHubExploit;Issue Tracking;Patch;Third Party Advisory
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