CVE-2019-7524
High
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.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Dovecot
PublishedMar 28, 2019
First seenMar 28, 2019
How to fix
Update
- dovecot dovecot2.2.36.3, 2.3.5.1 or later
Vendor advisories
- debian.org/security/2019/dsa-4418
- usn.ubuntu.com/3928-1/
- security.gentoo.org/glsa/201904-19
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| dovecot dovecot | v < 2.2.36.3, 2.3.0 ≤ v < 2.3.5.1 | 2.2.36.3, 2.3.5.1 |
| debian debian_linux | 8.0, 9.0 | — |
| canonical ubuntu_linux | 14.04, 16.04, 18.04, 18.10 | — |
| opensuse leap | 15.0, 42.3 | — |
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