| Release Date: | 2019-08-29 | |
| Impact: | Important | What is this? |
In Dovecot before 2.2.36.4 and 2.3.x before 2.3.7.2 (and Pigeonhole before 0.5.7.2), protocol processing can fail for quoted strings. This occurs because '\0' characters are mishandled, and can lead to out-of-bounds writes and remote code execution.
See more information about CVE-2019-11500 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
| Base Score: | 9.8 |
| Vector String: | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Version: | 3.0 |
| Attack Vector: | Network |
| Attack Complexity: | Low |
| Privileges Required: | None |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | High |
| Integrity Impact: | High |
| Availability Impact: | High |
| Platform | Errata | Release Date |
| Oracle Linux version 6 (dovecot) | ELSA-2019-2885 | 2019-09-23 |
| Oracle Linux version 7 (dovecot) | ELSA-2019-2836 | 2019-09-20 |
| Oracle Linux version 8 (dovecot) | ELSA-2019-2822 | 2019-09-23 |
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