Executive Summary
This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
| Informations | |||
|---|---|---|---|
| Name | CVE-2018-6789 | First vendor Publication | 2018-02-08 |
| Vendor | Cve | Last vendor Modification | 2025-03-14 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | |||
|---|---|---|---|
| Overall CVSS Score | 9.8 | ||
| Base Score | 9.8 | Environmental Score | 9.8 |
| impact SubScore | 5.9 | Temporal Score | 9.8 |
| Exploitabality Sub Score | 3.9 | ||
| Attack Vector | Network | Attack Complexity | Low |
| Privileges Required | None | User Interaction | None |
| Scope | Unchanged | Confidentiality Impact | High |
| Integrity Impact | High | Availability Impact | High |
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P) | |||
|---|---|---|---|
| Cvss Base Score | 7.5 | Attack Range | Network |
| Cvss Impact Score | 6.4 | Attack Complexity | Low |
| Cvss Expoit Score | 10 | Authentication | None Required |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| An issue was discovered in the base64d function in the SMTP listener in Exim before 4.90.1. By sending a handcrafted message, a buffer overflow may happen. This can be used to execute code remotely. |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6789 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-120 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') (CWE/SANS Top 25) |
CPE : Common Platform Enumeration
SAINT Exploits
| Description | Link |
|---|---|
| Exim SMTP listener base64d function one-character buffer overflow | More info here |
Snort® IPS/IDS
| Date | Description |
|---|---|
| 2018-09-18 | EHLO user overflow attempt RuleID : 47541 - Revision : 2 - Type : SERVER-MAIL |
| 2018-06-12 | EHLO user overflow attempt RuleID : 46610 - Revision : 3 - Type : SERVER-MAIL |
| 2014-01-10 | AUTH user overflow attempt RuleID : 3824 - Revision : 16 - Type : SERVER-MAIL |
Nessus® Vulnerability Scanner
| Date | Description |
|---|---|
| 2018-03-09 | Name : The remote Amazon Linux AMI host is missing a security update. File : ala_ALAS-2018-970.nasl - Type : ACT_GATHER_INFO |
| 2018-03-07 | Name : The remote Gentoo host is missing one or more security-related patches. File : gentoo_GLSA-201803-01.nasl - Type : ACT_GATHER_INFO |
| 2018-03-06 | Name : The remote mail server is potentially affected by a buffer overflow vulnerabi... File : exim_4_90_1.nasl - Type : ACT_GATHER_INFO |
| 2018-02-27 | Name : The remote Fedora host is missing a security update. File : fedora_2018-25a7ba3cb6.nasl - Type : ACT_GATHER_INFO |
| 2018-02-27 | Name : The remote Fedora host is missing a security update. File : fedora_2018-5aec14e125.nasl - Type : ACT_GATHER_INFO |
| 2018-02-12 | Name : The remote Debian host is missing a security update. File : debian_DLA-1274.nasl - Type : ACT_GATHER_INFO |
| 2018-02-12 | Name : The remote Debian host is missing a security-related update. File : debian_DSA-4110.nasl - Type : ACT_GATHER_INFO |
| 2018-02-12 | Name : The remote FreeBSD host is missing a security-related update. File : freebsd_pkg_316b3c3e0e9811e88d4197657151f8c2.nasl - Type : ACT_GATHER_INFO |
Sources (Detail)
Alert History
| Date | Informations |
|---|---|
| 2025-03-15 00:21:53 |
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| 2025-02-07 17:21:20 |
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| 2025-01-27 21:21:06 |
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| 2024-11-28 13:22:30 |
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| 2024-07-25 17:27:43 |
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| 2022-10-21 01:42:30 |
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| 2021-06-04 00:23:15 |
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| 2021-05-04 13:18:42 |
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| 2021-04-22 02:34:25 |
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| 2020-05-23 02:19:53 |
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| 2020-05-23 01:18:58 |
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| 2019-03-07 00:19:02 |
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| 2018-10-26 17:19:45 |
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| 2018-05-18 17:19:01 |
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| 2018-05-05 09:19:33 |
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| 2018-03-16 09:19:11 |
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| 2018-03-12 09:19:25 |
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| 2018-03-10 17:19:08 |
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| 2018-03-09 09:19:04 |
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| 2018-02-18 09:20:18 |
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| 2018-02-12 13:21:47 |
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| 2018-02-09 05:18:49 |
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