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    CVE-2019-7524

    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.

    Published:Mar 28, 2019
    Last Modified:Nov 21, 2024
    EPS:Mar 28, 2019
    EPSS Score:0.0003
    CVSS Score:8.8

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Dovecot
    Product
    Dovecot
    Vendor
    Opensuse
    Product
    Leap
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-10 Buffer Overflow via Environment Variables
    CAPEC-100 Overflow Buffers
    CAPEC-123 Buffer Manipulation
    CAPEC-14 Client-side Injection-induced Buffer Overflow
    CAPEC-19 Embedding Scripts within Scripts
    CAPEC-24 Filter Failure through Buffer Overflow
    CAPEC-42 MIME Conversion
    CAPEC-44 Overflow Binary Resource File
    CAPEC-441 Malicious Logic Insertion
    CAPEC-45 Buffer Overflow via Symbolic Links
    CAPEC-46 Overflow Variables and Tags
    CAPEC-47 Buffer Overflow via Parameter Expansion
    CAPEC-478 Modification of Windows Service Configuration
    CAPEC-479 Malicious Root Certificate
    CAPEC-502 Intent Spoof
    CAPEC-503 WebView Exposure
    CAPEC-536 Data Injected During Configuration
    CAPEC-546 Incomplete Data Deletion in a Multi-Tenant Environment
    CAPEC-550 Install New Service
    CAPEC-551 Modify Existing Service
    CAPEC-552 Install Rootkit
    CAPEC-556 Replace File Extension Handlers
    CAPEC-558 Replace Trusted Executable
    CAPEC-562 Modify Shared File
    CAPEC-563 Add Malicious File to Shared Webroot
    CAPEC-564 Run Software at Logon
    CAPEC-578 Disable Security Software
    CAPEC-67 String Format Overflow in syslog()
    CAPEC-8 Buffer Overflow in an API Call
    CAPEC-9 Buffer Overflow in Local Command-Line Utilities
    CAPEC-92 Forced Integer Overflow

    Related CVEs

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    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
    CVE-2026-47332 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an intern…
    CVE-2026-47331 (CVSS 7.8) — Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An…
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    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/
    https://www.debian.org/security/2019/dsa-4418

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High