# CVE-2019-7524: dovecot-core: 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-work...

CVE-2019-7524 is fixed in 13 products on 1 platform, first by dovecot-core 1:2.2.33.2-1ubuntu4.3, released March 28, 2019. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2019-7524
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0118
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 28, 2019

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | dovecot-core Ubuntu 18.04.6 LTS (bionic) | 1:2.2.33.2-1ubuntu4.3 | [dovecot-core 1:2.2.33.2-1ubuntu4.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-dovecot-core-1-2.2.33.2-1ubuntu4.3.md) | Mar 28, 2019 |
| Linux | dovecot-gssapi Ubuntu 18.04.6 LTS (bionic) | 1:2.2.33.2-1ubuntu4.3 | [dovecot-gssapi 1:2.2.33.2-1ubuntu4.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-dovecot-gssapi-1-2.2.33.2-1ubuntu4.3.md) | Mar 28, 2019 |
| Linux | dovecot-imapd Ubuntu 18.04.6 LTS (bionic) | 1:2.2.33.2-1ubuntu4.3 | [dovecot-imapd 1:2.2.33.2-1ubuntu4.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-dovecot-imapd-1-2.2.33.2-1ubuntu4.3.md) | Mar 28, 2019 |
| Linux | dovecot-ldap Ubuntu 18.04.6 LTS (bionic) | 1:2.2.33.2-1ubuntu4.3 | [dovecot-ldap 1:2.2.33.2-1ubuntu4.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-dovecot-ldap-1-2.2.33.2-1ubuntu4.3.md) | Mar 28, 2019 |
| Linux | dovecot-lmtpd Ubuntu 18.04.6 LTS (bionic) | 1:2.2.33.2-1ubuntu4.3 | [dovecot-lmtpd 1:2.2.33.2-1ubuntu4.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-dovecot-lmtpd-1-2.2.33.2-1ubuntu4.3.md) | Mar 28, 2019 |
| Linux | dovecot-managesieved Ubuntu 18.04.6 LTS (bionic) | 1:2.2.33.2-1ubuntu4.3 | [dovecot-managesieved 1:2.2.33.2-1ubuntu4.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-dovecot-managesieved-1-2.2.33.2-1ubuntu4.3.md) | Mar 28, 2019 |
| Linux | dovecot-mysql Ubuntu 18.04.6 LTS (bionic) | 1:2.2.33.2-1ubuntu4.3 | [dovecot-mysql 1:2.2.33.2-1ubuntu4.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-dovecot-mysql-1-2.2.33.2-1ubuntu4.3.md) | Mar 28, 2019 |
| Linux | dovecot-pgsql Ubuntu 18.04.6 LTS (bionic) | 1:2.2.33.2-1ubuntu4.3 | [dovecot-pgsql 1:2.2.33.2-1ubuntu4.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-dovecot-pgsql-1-2.2.33.2-1ubuntu4.3.md) | Mar 28, 2019 |
| Linux | dovecot-pop3d Ubuntu 18.04.6 LTS (bionic) | 1:2.2.33.2-1ubuntu4.3 | [dovecot-pop3d 1:2.2.33.2-1ubuntu4.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-dovecot-pop3d-1-2.2.33.2-1ubuntu4.3.md) | Mar 28, 2019 |
| Linux | dovecot-sieve Ubuntu 18.04.6 LTS (bionic) | 1:2.2.33.2-1ubuntu4.3 | [dovecot-sieve 1:2.2.33.2-1ubuntu4.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-dovecot-sieve-1-2.2.33.2-1ubuntu4.3.md) | Mar 28, 2019 |
| Linux | dovecot-solr Ubuntu 18.04.6 LTS (bionic) | 1:2.2.33.2-1ubuntu4.3 | [dovecot-solr 1:2.2.33.2-1ubuntu4.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-dovecot-solr-1-2.2.33.2-1ubuntu4.3.md) | Mar 28, 2019 |
| Linux | dovecot-sqlite Ubuntu 18.04.6 LTS (bionic) | 1:2.2.33.2-1ubuntu4.3 | [dovecot-sqlite 1:2.2.33.2-1ubuntu4.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-dovecot-sqlite-1-2.2.33.2-1ubuntu4.3.md) | Mar 28, 2019 |
| Linux | mail-stack-delivery Ubuntu 18.04.6 LTS (bionic) | 1:2.2.33.2-1ubuntu4.3 | [mail-stack-delivery 1:2.2.33.2-1ubuntu4.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mail-stack-delivery-1-2.2.33.2-1ubuntu4.3.md) | Mar 28, 2019 |

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