CVE-2019-7524
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 1.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 1.2% in the next 30 days (EPSS).
- Severity: 8.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 1.2% · EPSS, next 30 days
- Weakness
- CWE-119 · Buffer errors
- Record status
- Modified
Affected
- Dovecot < 2.2.36.3
- Dovecot < 2.3.5.1
- Debian Linux 8.0
- Debian Linux 9.0
- Canonical Ubuntu Linux 14.04
- Canonical Ubuntu Linux 16.04
- Canonical Ubuntu Linux 18.04
- Canonical Ubuntu Linux 18.10
Attack profile CVSS 3.0 · 8.8
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2019-7524.md and follow it. Check whether this project is affected by CVE-2019-7524. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://dovecot.org/list/dovecot-news/2019-March/000403.html
- https://dovecot.org/security.html
- https://dovecot.org/list/dovecot-news/2019-March/000403.html
- https://dovecot.org/security.html
References
- 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%40lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.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
- 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%40lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/
- https://seclists.org/bugtraq/2019/Mar/59
- https://security.gentoo.org/glsa/201904-19
- https://usn.ubuntu.com/3928-1/