CVE-2019-16928HIGH
Description
Exim 4.92 through 4.92.2 allows remote code execution, a different vulnerability than CVE-2019-15846. There is a heap-based buffer overflow in string_vformat in string.c involving a long EHLO command.
References
http://www.openwall.com/lists/oss-security/2019/09/28/1
http://www.openwall.com/lists/oss-security/2019/09/28/2
http://www.openwall.com/lists/oss-security/2019/09/28/3
http://www.openwall.com/lists/oss-security/2019/09/28/4
https://bugs.exim.org/show_bug.cgi?id=2449
https://git.exim.org/exim.git/commit/478effbfd9c3cc5a627fc671d4bf94d13670d65f
https://lists.exim.org/lurker/message/20190927.032457.c1044d4c.en.html
https://seclists.org/bugtraq/2019/Sep/60
https://security.gentoo.org/glsa/202003-47
Details
Source: MITRE
Published: 2019-09-27
Updated: 2020-08-18
Type: CWE-120
Risk Information
CVSS v2.0
Base Score: 7.5
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 10
Severity: HIGH
CVSS v3.0
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 3.9
Severity: CRITICAL
Vulnerable Software
Configuration 1
OR
cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:* versions from 4.92 to 4.92.2 (inclusive)
Configuration 2
OR
Tenable Plugins
| ID | Name | Product | Family | Severity |
|---|---|---|---|---|
| 134775 | GLSA-202003-47 : Exim: Heap-based buffer overflow | Nessus | Gentoo Local Security Checks | high |
| 130280 | Amazon Linux AMI : exim (ALAS-2019-1310) | Nessus | Amazon Linux Local Security Checks | high |
| 129768 | Fedora 29 : exim (2019-d778bd4137) | Nessus | Fedora Local Security Checks | high |
| 129655 | Fedora 31 : exim (2019-e080507ba5) | Nessus | Fedora Local Security Checks | high |
| 129508 | Fedora 30 : exim (2019-006dfc94cd) | Nessus | Fedora Local Security Checks | high |
| 129470 | Exim 4.92.x < 4.92.3 Heap Buffer Overflow | Nessus | SMTP problems | high |
| 129466 | Ubuntu 19.04 : Exim vulnerability (USN-4141-1) | Nessus | Ubuntu Local Security Checks | high |
| 129414 | Debian DSA-4536-1 : exim4 - security update | Nessus | Debian Local Security Checks | high |