Specific replication command with malformed oplog entries can crash secondaries

An attacker with basic CRUD permissions on a replicated collection can run the applyOps command with specially malformed oplog entries, resulting in a potential denial of service on secondaries. This issue affects MongoDB Server v4.0 versions prior to 4.0.25; MongoDB Server v4.2 versions prior to...

User may trigger invariant when allowed to send commands directly to shards

An authorized user may trigger an invariant which may result in denial of service or server exit if a relevant aggregation request is sent to a shard. Usually, the requests are sent via mongos and special privileges are required in order to know the address of the shards and to log in to the shar...

MongoDB Rust Driver may publish events containing authentication-related data to a connection pool event listener configured by an application

Specific MongoDB Rust Driver versions can include credentials used by the connection pool to authenticate connections in the monitoring event that is emitted when the pool is created. The user's logging infrastructure could then potentially ingest these events and unexpectedly leak the credential...

Server log entry spoofing via newline injection

Sending specially crafted commands to a MongoDB Server may result in artificial log entries being generated or for log entries to be split. This issue affects MongoDB Server v3.6 versions prior to 3.6.20; MongoDB Server v4.0 versions prior to 4.0.21; MongoDB Server v4.2 versions prior to 4.2.10;...

Specific cstrings input may not be properly validated in the Go Driver

Specific cstrings input may not be properly validated in the MongoDB Go Driver when marshalling Go objects into BSON. A malicious user could use a Go object with specific string to potentially inject additional fields into marshalled documents. This issue affects all MongoDB GO Drivers up to and...

MongoDB C# Driver may publish events containing authentication-related data to a command listener configured by an application

Specific versions of the MongoDB C Driver may erroneously publish events containing authentication-related data to a command listener configured by an application. The published events may contain security-sensitive data when commands such as "saslStart", "saslContinue", "isMaster", "createUser",...

Specially crafted query may result in a denial of service of mongod

A user authorized to performing a specific type of find query may trigger a denial of service. This issue affects: MongoDB Inc. MongoDB Server v4.4 versions prior to 4.4.4...

Specific command line parameter might result in accepting invalid certificate

Usage of specific command line parameter in MongoDB Tools which was originally intended to just skip hostname checks, may result in MongoDB skipping all certificate validation. This may result in accepting invalid certificates.This issue affects: MongoDB Inc. MongoDB Database Tools 3.6 versions...

Local privilege escalation in MongoDB Compass for Windows

A malicious 3rd party with local access to the Windows machine where MongoDB Compass is installed can execute arbitrary software with the privileges of the user who is running MongoDB Compass. This issue affects: MongoDB Inc. MongoDB Compass 1.x version 1.3.0 on Windows and later versions; 1.x...

Specially crafted regex query can cause DoS

A user authorized to perform database queries may trigger denial of service by issuing specially crafted query contain a type of regex. This issue affects: MongoDB Inc. MongoDB Server v3.6 versions prior to 3.6.21 and MongoDB Server v4.0 versions prior to 4.0.20...

Invariant failure when explaining a find with a UUID

A user authorized to performing a specific type of query may trigger a denial of service by issuing a generic explain command on a find query. This issue affects: MongoDB Inc. MongoDB Server v4.0 versions prior to 4.0.6; MongoDB Server v3.6 versions prior to 3.6.11...

MongoDB Java driver client-side field level encryption not verifying KMS host name

Specific versions of the Java driver that support client-side field level encryption CSFLE fail to perform correct host name verification on the KMS server’s certificate. This vulnerability in combination with a privileged network position active MITM attack could result in interception of traffi...

MongoDB Node.js client side field level encryption library may not be validating KMS certificate

A specific version of the Node.js mongodb-client-encryption module does not perform correct validation of the KMS server’s certificate. This vulnerability in combination with a privileged network position active MITM attack could result in interception of traffic between the Node.js driver and th...

SSL may be unexpectedly disabled during upgrade of multiple-server MongoDB Ops Manager

For MongoDB Ops Manager = 4.2.24 with multiple OM application servers, that have SSL turned on for their MongoDB processes, the upgrade to MongoDB Ops Manager = 4.4.12 triggers a bug where Automation thinks SSL is being turned off, and can disable SSL temporarily for members of the cluster. This...

Invariant in IndexBoundsBuilder

A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries which trigger an invariant in the IndexBoundsBuilder. This issue affects: MongoDB Inc. MongoDB Server v4.2 versions prior to 4.2.2...

$mod can result in UB

A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries, which use the $mod operator to overflow negative values. This issue affects: MongoDB Inc. MongoDB Server v4.4 versions prior to 4.4.1; v4.2 versions prior to 4.2.9; v4.0 versions prio...

Crash while joining collections with $lookup

A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries, which use $lookup and collations. This issue affects: MongoDB Inc. MongoDB Server v4.2 versions prior to 4.2.1; v4.0 versions prior to 4.0.13; v3.6 versions prior to 3.6.15...

Potential privilege escalation in Ops Manager API

Specially crafted API calls may allow an authenticated user who holds Organization Owner privilege to obtain an API key with Global Role privilege. This issue affects MongoDB Ops Manager v4.2 versions 4.2.0-4.2.17, v4.3 versions 4.3.0-4.3.9 and v4.4 versions 4.4.0-4.4.2...

Specific query can cause a DoS against MongoDB Server

A user authorized to perform database queries may cause denial of service by issuing a specially crafted query which violates an invariant in the server selection subsystem. This issue affects: MongoDB Server version 4.4 prior to 4.4.1. Versions before 4.4 are not affected...

Denial of Service when processing malformed Role names

Incorrect validation of user input in the role name parser may lead to use of uninitialized memory allowing an unauthenticated attacker to use a specially crafted request to cause a denial of service. This issue affects: MongoDB Inc. MongoDB Server v4.4 versions prior to 4.4.0-rc12; v4.2 versions...

Post-auth queries on compound index may crash mongod

A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries with compound indexes affecting QueryPlanner. This issue affects: MongoDB Inc. MongoDB Server v3.6 versions prior to 3.6.9, v4.0 versions prior to 4.0.3...

Invariant failure in applyOps

A user authorized to perform database queries may trigger denial of service by issuing specially crafted applyOps invocations. This issue affects: MongoDB Inc. MongoDB Server v4.0 versions prior to 4.0.10; v3.6 versions prior to 3.6.13...

Invariant with $elemMatch

A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries, which perform an $elemMatch This issue affects: MongoDB Inc. MongoDB Server v4.0 versions prior to 4.0.5; v3.6 versions prior to 3.6.10. This issue affects: MongoDB Inc. MongoDB Serve...

Crash while handling internal Javascript exception types

A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries, which throw unhandled Javascript exceptions containing types intended to be scoped to the Javascript engine's internals. This issue affects: MongoDB Inc. MongoDB Server v4.0 versions...

Denial of service via malformed network packet

An unauthenticated client can trigger denial of service by issuing specially crafted wire protocol messages, which cause the message decompressor to incorrectly allocate memory. This issue affects: MongoDB Inc. MongoDB Server v4.2 versions prior to 4.2.1; v4.0 versions prior to 4.0.13; v3.6...

Improper neutralization of null byte leads to read overrun

A user authorized to perform database queries may trigger a read overrun and access arbitrary memory by issuing specially crafted queries. This issue affects: MongoDB Inc. MongoDB Server v4.4 versions prior to 4.4.1; v4.2 versions prior to 4.2.9; v4.0 versions prior to 4.0.20; v3.6 versions prior...

Infinite loop in aggregation expression

A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries, which loop indefinitely in mathematics processing while retaining locks. This issue affects: MongoDB Inc. MongoDB Server v4.0 versions prior to 4.0.5; v3.6 versions prior to 3.6.10;...

Specific GeoQuery can cause DoS against MongoDB Server

A user authorized to perform database queries may cause denial of service by issuing specially crafted queries, which violate an invariant in the query subsystem's support for geoNear. This issue affects: MongoDB Inc. MongoDB Server v4.4 versions prior to 4.4.0-rc7; v4.2 versions prior to 4.2.8;...

Potential exposure of log information in Ops Manager

In affected Ops Manager versions there is an exposed http route was that may allow attackers to view a specific access log of a publicly exposed Ops Manager instance. This issue affects: MongoDB Inc. MongoDB Ops Manager 4.0 versions 4.0.9, 4.0.10 and MongoDB Ops Manager 4.1 version 4.1.5...

Administrative action may disable enforcement of per-user IP whitelisting

Improper serialization of internal state in the authorization subsystem in MongoDB Server's authorization subsystem permits a user with valid credentials to bypass IP whitelisting protection mechanisms following administrative action. This issue affects: MongoDB Inc. MongoDB Server 4.2 versions...

Kubernetes Operator generates potentially insecure certificates

X.509 certificates generated by the MongoDB Enterprise Kubernetes Operator may allow an attacker with access to the Kubernetes cluster improper access to MongoDB instances. Customers who do not use X.509 authentication, and those who do not use the Operator to generate their X.509 certificates ar...

JS-bson may incorrectly serialise some requests

Incorrect parsing of certain JSON input may result in js-bson not correctly serializing BSON. This may cause unexpected application behaviour including data disclosure. This issue affects: MongoDB Inc. js-bson library version 1.1.3 and prior to...

Process termination via PID file manipulation

Incorrect scoping of kill operations in MongoDB Server's packaged SysV init scripts allow users with write access to the PID file to insert arbitrary PIDs to be killed when the root user stops the MongoDB process via SysV init. This issue affects: MongoDB Inc. MongoDB Server v4.0 versions prior t...

Code execution on Windows via OpenSSL engine injection

An unprivileged user or program on Microsoft Windows which can create OpenSSL configuration files in a fixed location may cause utility programs shipped with MongoDB server to run attacker defined code as the user running the utility. This issue affects: MongoDB Inc. MongoDB Server 4.0 prior to...

Authorization session conflation

After user deletion in MongoDB Server the improper invalidation of authorization sessions allows an authenticated user's session to persist and become conflated with new accounts, if those accounts reuse the names of deleted ones. This issue affects: MongoDB Inc. MongoDB Server v4.0 versions prio...