Stack-based buffer overflow in gross - CVE-2023-52159
Published: August 2, 2024
Vulnerability identifier: #VU95173
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-52159
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing SMTP transaction parameters that cause an incorrect strncat for a log entry. A remote unauthenticated attacker can send specially crafted input to the application, trigger a stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
gross
Ubuntu
gross (Ubuntu package)
Ubuntu
gross (Ubuntu package)
How to mitigate CVE-2023-52159
Install update from vendor's website.
gross - update to 1.0.4
gross (Ubuntu package) - addressed in versions Ubuntu Pro, 1.0.2-4ubuntu0.20.04.1, 1.0.2-4ubuntu0.22.04.1, 1.0.2-4ubuntu0.24.04.1
gross (Ubuntu package) - addressed in versions Ubuntu Pro, 1.0.2-4ubuntu0.20.04.1, 1.0.2-4ubuntu0.22.04.1, 1.0.2-4ubuntu0.24.04.1