Buffer overflow in Broadcom Tcpreplay
CVE-2020-24266
An issue was discovered in tcpreplay tcpprep v4.3.3. There is a heap buffer overflow vulnerability in get_l2len() that can make tcpprep crash and cause a denial of service.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.026 (84.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000
Affected products
- Broadcom Tcpreplay — versions 4.3.3
- Fedoraproject Fedora — versions 31, 32, 33
Weakness classification (CWE)
References
- github.com/appneta/tcpreplay/issues/617 (Exploit, Patch, Third Party Advisory, Issue Tracking)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.gentoo.org/glsa/202105-21 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-24266?
- CVE-2020-24266 is a high-severity vulnerability in Broadcom Tcpreplay, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2020-10-19.
- How severe is CVE-2020-24266?
- High severity. CVSS v3 base score is 7.5 out of 10.