Stack-based buffer overflow in ConnMan - CVE-2023-28488
Published: April 17, 2023 / Updated: August 4, 2023
Vulnerability identifier: #VU75171
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-28488
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the listener_event function in the ./gdhcp/client.c. A remote unauthenticated attacker can trigger stack-based buffer overflow and cause a denial of service condition on the target system.
Affected software
ConnMan
Debian Linux
Ubuntu
connman (Ubuntu package)
connman (Debian package)
Debian Linux
Ubuntu
connman (Ubuntu package)
connman (Debian package)
How to mitigate CVE-2023-28488
Install update from vendor's website.
ConnMan - update to 1.42
connman (Ubuntu package) - addressed in versions Ubuntu Pro, 1.36-2ubuntu0.1, 1.36-2.3ubuntu0.1, 1.41-2ubuntu0.23.04.1
connman (Debian package) - update to 1.36-2.2+deb11u2
connman (Ubuntu package) - addressed in versions Ubuntu Pro, 1.36-2ubuntu0.1, 1.36-2.3ubuntu0.1, 1.41-2ubuntu0.23.04.1
connman (Debian package) - update to 1.36-2.2+deb11u2