CVE-2019-7524 Information

Description

In Dovecot before 2.2.36.3 and 2.3.x before 2.3.5.1 a local attacker can cause a buffer overflow in the indexer-worker process which can be used to elevate to root. This occurs because of missing checks in the fts and pop3-uidl components.

CVSS Vector

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

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00060.html http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00067.html http://www.openwall.com/lists/oss-security/2019/03/28/1 http://www.securityfocus.com/bid/107672 https://dovecot.org/list/dovecot-news/2019-March/000403.html https://dovecot.org/security.html https://lists.debian.org/debian-lts-announce/2019/03/msg00038.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/ https://seclists.org/bugtraq/2019/Mar/59 https://security.gentoo.org/glsa/201904-19 https://usn.ubuntu.com/3928-1/ https://www.debian.org/security/2019/dsa-4418

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8