CVE-2019-11500 Information

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 Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

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/2019/08/28/3 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.html https://lists.debian.org/debian-lts-announce/2019/08/msg00035.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3GYTZLLDNIFWT7D7JSB25ERJNMOR4CQ3/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KVHY3MU2OK2EWZJFGNDSAOMD42L7DFPX/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YSJVVVRAE3SITC2ZLGCPMFDN3WVYZBWF/ https://security.gentoo.org/glsa/201908-29 https://www.dovecot.org/security.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8