Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2017-2669 |
CWE-ID | CWE-400 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Arch Linux Operating systems & Components / Operating system |
Vendor | Arch Linux |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU16153
Risk: Low
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-2017-2669
CWE-ID:
CWE-400 - Resource exhaustion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform denial of service (DoS)M attack.
The vulnerability exists due to the username sent by the IMAP/POP3 client was sent through var_expand() to perform %variable expansion when 'dict' passdb and userdb were used for user authentication. A remote attacker can send specially crafted %variable fields, use excessive memory and cause the process to crash.
MitigationUpdate the affected package dovecot to version 2.2.29.1-1.
Vulnerable software versionsArch Linux: All versions
External linkshttp://security.archlinux.org/advisory/ASA-201705-1
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.