Vulnerability in Es Iperf3
CVE-2023-7250
A flaw was found in iperf, a utility for testing network performance using TCP, UDP, and SCTP. A malicious or malfunctioning client can send less than the expected amount of data to the iperf server, which can cause the server to hang indefinitely waiting for the remainder or until the connection gets closed. This will prevent other connections to the server, leading to a denial of service.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.009 (60.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Es Iperf3
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8 — versions 0:3.5-10.el8_10
- Red Hat Enterprise Linux 9 — versions 0:3.9-13.el9
- Red Hat Enterprise Linux — versions 8.0, 9.0
- Red Hat Enterprise Linux For Arm 64 — versions 8.0_aarch64, 9.0_aarch64
- Red Hat Enterprise Linux For IBM Z Systems — versions 8.0_s390x, 9.0_s390x
- Red Hat Enterprise Linux For Power Little Endian — versions 8.0_ppc64le
Weakness classification (CWE)
Public proof-of-concept exploits
References
- access.redhat.com/errata/RHSA-2024:4241 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2024:9185 (vendor-advisory, Third Party Advisory)
- access.redhat.com/security/cve/CVE-2023-7250 (Third Party Advisory, vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking, Third Party Advisory, Issue Tracking)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-7250?
- CVE-2023-7250 is a medium-severity vulnerability in Es Iperf3, classified under CWE-183. CVSS score: 5.3/10. Published 2024-03-18.
- How severe is CVE-2023-7250?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2023-7250 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.