Vulnerability Description
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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Dovecot | Dovecot | < 2.2.36.4 |
| Dovecot | Pigeonhole | < 0.5.7.2 |
| Debian | Debian Linux | 8.0 |
| Fedoraproject | Fedora | 30 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00024.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00026.html
- http://www.openwall.com/lists/oss-security/2019/08/28/3ExploitMailing ListThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2822
- https://access.redhat.com/errata/RHSA-2019:2836
- https://access.redhat.com/errata/RHSA-2019:2885
- https://dovecot.org/pipermail/dovecot-news/2019-August/000417.htmlPatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/08/msg00035.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/201908-29Third Party Advisory
- https://www.dovecot.org/security.htmlVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00024.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00026.html
FAQ
What is CVE-2019-11500?
CVE-2019-11500 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 t...
How severe is CVE-2019-11500?
CVE-2019-11500 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2019-11500?
Check the references section above for vendor advisories and patch information. Affected products include: Dovecot Dovecot, Dovecot Pigeonhole, Debian Debian Linux, Fedoraproject Fedora.