Risk | High |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2018-6789 |
CWE-ID | CWE-120 |
Exploitation vector | Network |
Public exploit | Vulnerability #1 is being exploited in the wild. |
Vulnerable software Subscribe |
Exim Server applications / Mail servers |
Vendor | Exim |
Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU10442
Risk: High
CVSSv3.1: 9.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]
CVE-ID: CVE-2018-6789
CWE-ID:
CWE-120 - Buffer overflow
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists in the SMTP listener due to improper bounds checking. A remote attacker can send a specially crafted message, trigger buffer overflow and execute arbitrary code with privileges of the Exim user.
Successful exploitation of the vulnerability may result in system compromise.
Update to version 4.90.1.
Exim: 2.10 - 4.90
External linkshttp://exim.org/static/doc/security/CVE-2018-6789.txt
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?
Yes. This vulnerability is being exploited in the wild.