Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2017-15132 |
CWE-ID | CWE-401 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Dovecot Server applications / Mail servers |
Vendor | Dovecot |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU10346
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-15132
CWE-ID:
CWE-401 - Missing release of memory after effective lifetime
Exploit availability: No
DescriptionThe 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.
Install update from vendor's website.
Dovecot: 2.0.0 - 2.3.0
External linkshttp://github.com/dovecot/core/commit/1a29ed2f96da1be22fa5a4d96c7583aa81b8b060.patch
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.