CVE-2019-11494
published 2019-05-08CVE-2019-11494: In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login service crashes when the client disconnects prematurely during the AUTH command.
PriorityP340high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
2.43%
82.3th percentile
In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login service crashes when the client disconnects prematurely during the AUTH command.
Affected
11 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | dovecot | < dovecot 1:2.3.4.1-5 (bookworm) | dovecot 1:2.3.4.1-5 (bookworm) |
| dovecot | dovecot | >= 0 < 1:2.3.4.1-5 | 1:2.3.4.1-5 |
| dovecot | dovecot | >= 0 < 1:2.3.4.1-5 | 1:2.3.4.1-5 |
| dovecot | dovecot | >= 0 < 1:2.3.4.1-5 | 1:2.3.4.1-5 |
| dovecot | dovecot | >= 0 < 1:2.3.4.1-5 | 1:2.3.4.1-5 |
| dovecot | dovecot | 2.3.3 – 2.3.5.2 | — |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| linux | linux_kernel | >= 0 < 4.4.0-179.209 | 4.4.0-179.209 |
| opensuse | leap | — | — |
| opensuse | leap | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv3.07.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
osv7.5HIGH
vendor_debian7.5HIGH
vendor_redhat7.5HIGH
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
Ubuntu
Dovecot vulnerabilities
vendor_ubuntu·2019-04-30
CVE-2019-11494 Dovecot vulnerabilities
Title: Dovecot vulnerabilities
Summary: Dovecot could be made to crash if it received specially crafted network
traffic.
It was discovered that the Dovecot Submission login service incorrectly
handled certain operations. A remote attacker could possibly use this issue
to cause Dovecot to crash, resulting in a denial of service.
Instructions: In general, a standard system update will make all the necessary changes.
Red Hat
dovecot: premature disconnection from client during AUTH command leads to crash and possible DoS
vendor_redhat·2019-04-30·CVSS 7.5
CVE-2019-11494 [HIGH] CWE-476 dovecot: premature disconnection from client during AUTH command leads to crash and possible DoS
dovecot: premature disconnection from client during AUTH command leads to crash and possible DoS
In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login service crashes when the client disconnects prematurely during the AUTH command.
Package: dovecot (Red Hat Enterprise Linux 5) - Not affected
Package: dovecot (Red Hat Enterprise Linux 6) - Not affected
Package: dovecot (Red Hat Enterprise Linux 7) - Not affected
Package: dovecot (Red Hat Enterprise Linux 8) - Not affected
Debian
CVE-2019-11494: dovecot - In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login servic...
vendor_debian·2019·CVSS 7.5
CVE-2019-11494 [HIGH] CVE-2019-11494: dovecot - In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login servic...
In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login service crashes when the client disconnects prematurely during the AUTH command.
Scope: local
bookworm: resolved (fixed in 1:2.3.4.1-5)
bullseye: resolved (fixed in 1:2.3.4.1-5)
forky: resolved (fixed in 1:2.3.4.1-5)
sid: resolved (fixed in 1:2.3.4.1-5)
trixie: resolved (fixed in 1:2.3.4.1-5)
GHSA
GHSA-gcm9-2h5w-j7x9: In the IMAP Server in Dovecot 2
ghsa_unreviewed·2022-05-24
CVE-2019-11494 [HIGH] CWE-476 GHSA-gcm9-2h5w-j7x9: In the IMAP Server in Dovecot 2
In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login service crashes when the client disconnects prematurely during the AUTH command.
OSV
linux, linux-aws, linux-kvm, linux-lts-xenial, linux-raspi2, linux-snapdragon vulnerabilities
osv·2020-05-19·CVSS 7.5
CVE-2019-19060 linux, linux-aws, linux-kvm, linux-lts-xenial, linux-raspi2, linux-snapdragon vulnerabilities
linux, linux-aws, linux-kvm, linux-lts-xenial, linux-raspi2, linux-snapdragon vulnerabilities
It was discovered that the ADIS16400 IIO IMU Driver for the Linux kernel
did not properly deallocate memory in certain error conditions. A local
attacker could use this to cause a denial of service (memory exhaustion).
(CVE-2019-19060)
It was discovered that the vhost net driver in the Linux kernel contained a
stack buffer overflow. A local attacker with the ability to perform ioctl()
calls on /dev/vhost-net could use this to cause a denial of service (system
crash). (CVE-2020-10942)
It was discovered that the Serial CAN interface driver in the Linux kernel
did not properly initialize data. A local attacker could use this to expose
sensitive information (kernel memory). (CVE-2020-11494)
It was
OSV
linux-gke-5.0, linux-oem-osp1 vulnerabilities
osv·2020-05-19·CVSS 6.7
CVE-2019-19769 linux-gke-5.0, linux-oem-osp1 vulnerabilities
linux-gke-5.0, linux-oem-osp1 vulnerabilities
Tristan Madani discovered that the file locking implementation in the Linux
kernel contained a race condition. A local attacker could possibly use this
to cause a denial of service or expose sensitive information.
(CVE-2019-19769)
It was discovered that the Serial CAN interface driver in the Linux kernel
did not properly initialize data. A local attacker could use this to expose
sensitive information (kernel memory). (CVE-2020-11494)
It was discovered that the linux kernel did not properly validate certain
mount options to the tmpfs virtual memory file system. A local attacker
with the ability to specify mount options could use this to cause a denial
of service (system crash). (CVE-2020-11565)
It was discovered that the OV51x USB Camera dev
OSV
CVE-2019-11494: In the IMAP Server in Dovecot 2
osv·2019-05-08·CVSS 7.5
CVE-2019-11494 [HIGH] CVE-2019-11494: In the IMAP Server in Dovecot 2
In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login service crashes when the client disconnects prematurely during the AUTH command.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2019-11494 dovecot: premature disconnection from client during AUTH command leads to crash and possible DoS
bugzilla·2019-05-13·CVSS 7.5
CVE-2019-11494 [HIGH] CVE-2019-11494 dovecot: premature disconnection from client during AUTH command leads to crash and possible DoS
CVE-2019-11494 dovecot: premature disconnection from client during AUTH command leads to crash and possible DoS
In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login service crashes when the client disconnects prematurely during the AUTH command.
Upstream Bug:
https://dovecot.org/list/dovecot-news/2019-April/000409.html
Discussion:
Created dovecot tracking bugs for this issue:
Affects: fedora-all [bug 1709245]
---
No builds for F30 to fix this. I asked several times in bug #1672622, but no action has been taken there.
Bugzilla
CVE-2019-11494 dovecot: premature disconnection from client during AUTH command leads to crash and possible DoS [fedora-all]
bugzilla·2019-05-13·CVSS 7.5
CVE-2019-11494 [HIGH] CVE-2019-11494 dovecot: premature disconnection from client during AUTH command leads to crash and possible DoS [fedora-all]
CVE-2019-11494 dovecot: premature disconnection from client during AUTH command leads to crash and possible DoS [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE:
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00024.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-10/msg00026.htmlhttps://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://www.dovecot.org/download.htmlhttps://www.dovecot.org/security.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-10/msg00024.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-10/msg00026.htmlhttps://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://www.dovecot.org/download.htmlhttps://www.dovecot.org/security.html
2019-05-08
Published