Memory leak in Dovecot - CVE-2017-15132
Published: February 1, 2018 / Updated: March 22, 2018
Vulnerability identifier: #VU10346
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2017-15132
CWE-ID: CWE-401
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Dovecot
Affected software:
Dovecot
Dovecot
Detailed vulnerability description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to improper memory handling when the software aborts a Simple Authentication and Security Layer (SASL) authentication process. A remote attacker can reuse log-in processes to trigger a memory leak, consume excessive amounts of memory resources and cause the service to crash.
The weakness exists due to improper memory handling when the software aborts a Simple Authentication and Security Layer (SASL) authentication process. A remote attacker can reuse log-in processes to trigger a memory leak, consume excessive amounts of memory resources and cause the service to crash.
How to mitigate CVE-2017-15132
Install update from vendor's website.