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Vulnerability record · CVE-2023-28488 · published 12 April 2023

CVE-2023-28488: Intel connman out-of-bounds write vulnerability

Intel · Connman

client.c in gdhcp in ConnMan through 1.41 could be used by network-adjacent attackers (operating a crafted DHCP server) to cause a stack-based buffer overflow and denial of service, terminating the connman process.

6.5 CVSS 3.1 Medium EPSS 0.96% · top 39.8% CWE-787 · Out-of-bounds write
6.5CVSS 3.1 base score
0.96%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

client.c in gdhcp in ConnMan through 1.41 could be used by network-adjacent attackers (operating a crafted DHCP server) to cause a stack-based buffer overflow and denial of service, terminating the connman process.

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/moehw/poc_exploits/tree/master/CVE-2023-28488 ExploitPatchThird Party Advisory
https://kernel.googlesource.com/pub/scm/network/connman/connman/+/99e2c16ea1cced34a5dc450d76287a1c3e762138 Patch
https://lists.debian.org/debian-lts-announce/2023/04/msg00024.html
https://www.debian.org/security/2023/dsa-5416
https://github.com/moehw/poc_exploits/tree/master/CVE-2023-28488 ExploitPatchThird Party Advisory
https://kernel.googlesource.com/pub/scm/network/connman/connman/+/99e2c16ea1cced34a5dc450d76287a1c3e762138 Patch
https://lists.debian.org/debian-lts-announce/2023/04/msg00024.html
https://www.debian.org/security/2023/dsa-5416

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2022-32292Intel connman out-of-bounds write vulnerabilityIn ConnMan through 1.41, remote attackers able to send HTTP requests to the gweb component are able to exploit a heap-based buffer overflow in receiv…EPSS 3.2%9.8CVE-2017-12865Intel connman memory buffer overflow vulnerabilityStack-based buffer overflow in "dnsproxy.c" in connman 1.34 and earlier allows remote attackers to cause a denial of service (crash) or execute arbit…EPSS 5.5%9.1CVE-2022-23096Intel connman out-of-bounds read vulnerabilityAn issue was discovered in the DNS proxy in Connman through 1.40. The TCP server reply implementation lacks a check for the presence of sufficient He…EPSS 2.6%9.1CVE-2022-23097Intel connman out-of-bounds read vulnerabilityAn issue was discovered in the DNS proxy in Connman through 1.40. forward_dns_reply mishandles a strnlen call, leading to an out-of-bounds read.EPSS 2.4%8.8CVE-2021-26675Intel connman out-of-bounds write vulnerabilityA stack-based buffer overflow in dnsproxy in ConnMan before 1.39 could be used by network adjacent attackers to execute code.EPSS 1.3%8.1CVE-2022-32293Intel connman use after free vulnerabilityIn ConnMan through 1.41, a man-in-the-middle attack against a WISPR HTTP query could be used to trigger a use-after-free in WISPR handling, leading t…EPSS 2.0%7.5CVE-2022-23098Intel connman vulnerabilityAn issue was discovered in the DNS proxy in Connman through 1.40. The TCP server reply implementation has an infinite loop if no data is received.EPSS 2.5%6.5CVE-2021-26676Intel connman vulnerabilitygdhcp in ConnMan before 1.39 could be used by network-adjacent attackers to leak sensitive stack information, allowing further exploitation of bugs i…EPSS 1.2%

Source: NIST National Vulnerability Database (record CVE-2023-28488), CISA KEV, FIRST EPSS (scores of 2026-09-30). This page is refreshed as NVD updates the record.