iperf3 up to 3.13 length integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in iperf3 up to 3.13. This issue affects some unknown processing. The manipulation of the argument length results in integer overflow. This vulnerability was named CVE-2023-38403. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in iperf3 up to 3.13. It has been classified as problematic. Affected is some unknown functionality. The manipulation of the argument length with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

iperf3 before 3.14 allows peers to cause an integer overflow and heap corruption via a crafted length field.

The weakness was presented 07/18/2023 as 1542. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2023-38403 since 07/17/2023. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 236613 (Alibaba Cloud Linux 3 : 0107: iperf3 (ALINUX3-SA-2023:0107)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.14 eliminates this vulnerability. Applying the patch 0ef151550d96cc4460f98832df84b4a1e87c65e9 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (236613). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 236613
Nessus Name: Alibaba Cloud Linux 3 : 0107: iperf3 (ALINUX3-SA-2023:0107)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: iperf3 3.14
Patch: 0ef151550d96cc4460f98832df84b4a1e87c65e9

Timelineinfo

07/17/2023 🔍
07/18/2023 +1 days 🔍
07/18/2023 +0 days 🔍
05/20/2025 +672 days 🔍

Sourcesinfo

Advisory: 1542
Status: Confirmed

CVE: CVE-2023-38403 (🔍)
GCVE (CVE): GCVE-0-2023-38403
GCVE (VulDB): GCVE-100-234348

Entryinfo

Created: 07/18/2023 10:02
Updated: 05/20/2025 06:55
Changes: 07/18/2023 10:02 (41), 08/09/2023 08:22 (11), 05/20/2025 06:55 (17)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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