Impact: Critical Public Date: 2019-09-27 CWE: CWE-119->CWE-787 Bugzilla: 1756930: CVE-2019-16928 exim: remotely triggerable buffer overflow in string_vformat() 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.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2019-16928 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
CVSS3 Base Score | 9.8 |
---|---|
CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Attack Vector | Network |
Attack Complexity | Low |
Privileges Required | None |
User Interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity Impact | High |
Availability Impact | High |
Platform | Package | State |
---|---|---|
Red Hat Enterprise Linux 5 | exim | Not affected |