Vulnerability · Published Aug 25, 2021 · Assigned by mitre
CVE-2020-18976
Medium 5.5
In plain English
A medium-severity security flaw in the tcpreplay package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.7%top 48.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | tcpreplay | 4.3.3-1 | DEBIAN-CVE-2020-18976 |
| Debian:13 | tcpreplay | 4.3.3-1 | DEBIAN-CVE-2020-18976 |
| Debian:14 | tcpreplay | 4.3.3-1 | DEBIAN-CVE-2020-18976 |
Affected products (as reported)
References
- https://github.com/appneta/tcpreplay/issues/556 x_refsource_MISC