203 results · Feed
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Medium 5.0
Running certain aggregation operations with the SBE engine may lead to unexpected behavior on MongoDB Server
An authenticated user may trigger a use after free that may result in MongoDB Server crash and other unexpected behavior, even if the user does not have authorization to shut down a server. The crash is triggered on affected versions by issuing an aggregation…
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High 8.1
MongoDB Server running on Linux may allow unexpected connections where intermediate certificates are revoked
A MongoDB server under specific conditions running on Linux with TLS and CRL revocation status checking enabled, fails to check the revocation status of the intermediate certificates in the peer's certificate chain. In cases of MONGODB-X509, which is not enab…
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Medium 6.5
MongoDB Server may crash due to improper validation of explain command
When run on commands with certain arguments set, explain may fail to validate these arguments before using them. This can lead to crashes in router servers. This affects MongoDB Server v5.0 prior to 5.0.31, MongoDB Server v6.0 prior to 6.0.20, MongoDB Server …
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High 7.5
Malformed MongoDB wire protocol messages may cause mongos to crash
Specifically crafted MongoDB wire protocol messages can cause mongos to crash during command validation. This can occur without using an authenticated connection. This issue affects MongoDB v5.0 versions prior to 5.0.31, MongoDB v6.0 versions prior to 6.0.20…
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Low 3.1
User may override a view's collation and gain unauthorized access to underlying data
A user authorized to access a view may be able to alter the intended collation, allowing them to access to a different or unintended view of underlying data. This issue affects MongoDB Server v5.0 version prior to 5.0.31, MongoDB Server v6.0 version prior to …
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High 8.4
MongoDB C Driver bson library may be susceptible to buffer overflow
The various bson_append functions in the MongoDB C driver library may be susceptible to buffer overflow when performing operations that could result in a final BSON document which exceeds the maximum allowable size (INT32_MAX), resulting in a segmentation fau…
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Medium 6.8
Improper neutralization of null bytes may lead to buffer over-reads in MongoDB Server
An authorized user may trigger crashes or receive the contents of buffer over-reads of Server memory by issuing specially crafted requests that construct malformed BSON in the MongoDB Server. This issue affects MongoDB Server v5.0 versions prior to 5.0.30 , M…
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Medium 6.5
MongoDB Server secondaries may crash due to forced index constraints
prepareUnique index may cause secondaries to crash due to incorrect enforcement of index constraints on secondaries, where in extreme cases may cause multiple secondaries crashing leading to no primaries. This issue affects MongoDB Server v6.0 versions prior …
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Medium 5.0
MongoDB Server may access non-initialized region of memory leading to unexpected behaviour
MongoDB Server may access non-initialized region of memory leading to unexpected behaviour when zero arguments are called in internal aggregation stage. This issue affected MongoDB Server v6.0 version 6.0.3.
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Medium 6.4
MongoDB Server binaries may load potentially insecure shared libraries from specific relative paths
In certain highly specific configurations of the host system and MongoDB server binary installation on Linux Operating Systems, it may be possible for a unintended actor with host-level access to cause the MongoDB Server binary to load unintended actor-contro…
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Medium 5.3
Backup files may be downloaded by underprivileged users in MongoDB Enterprise Server
"Hot" backup files may be downloaded by underprivileged users, if they are capable of acquiring a unique backup identifier. This issue affects MongoDB Enterprise Server v6.0 versions prior to 6.0.16, MongoDB Enterprise Server v7.0 versions prior to 7.0.11 and…
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High 7.3
Accessing Untrusted Directory May Allow Local Privilege Escalation
Incorrect validation of files loaded from a local untrusted directory may allow local privilege escalation if the underlying operating systems is Windows. This may result in the application executing arbitrary behaviour determined by the contents of untrusted…
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Medium 5.4
Missing authorization check may lead to shard key refinement
A command for refining a collection shard key is missing an authorization check. This may cause the command to run directly on a shard, leading to either degradation of query performance, or to revealing chunk boundaries through timing side channels. This aff…
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Medium 5.3
MongoDB Server (mongod) may crash when generating ftdc
An unauthenticated user can trigger a fatal assertion in the server while generating ftdc diagnostic metrics due to attempting to build a BSON object that exceeds certain memory sizes. This issue affects MongoDB Server v5.0 versions prior to and including 5.0…
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High 7.5
MongoDB Server may have unexpected application behaviour due to invalid BSON
Improper validation of certain metadata input may result in the server not correctly serialising BSON. This can be performed pre-authentication and may cause unexpected application behavior including unavailability of serverStatus responses. This issue affect…
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High 8.8
MongoDB Server may allow successful untrusted connection
Under certain configurations of --tlsCAFile and tls.CAFile, MongoDB Server may skip peer certificate validation which may result in untrusted connections to succeed. This may effectively reduce the security guarantees provided by TLS and open connections that…
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Medium 5.3
Certificate validation issue in MongoDB Server running on Windows or macOS
If the MongoDB Server running on Windows or macOS is configured to use TLS with a specific set of configuration options that are already known to work securely in other platforms (e.g. Linux), it is possible that client certificate validation may not be in ef…
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Medium 6.5
MongoDB Server (mongod) may crash in response to unexpected requests
An authenticated user may trigger an invariant assertion during command dispatch due to incorrect validation on the $external database. This may result in mongod denial of service or server crash. This issue affects: MongoDB Inc. MongoDB Server v5.0 versions,…
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Medium 6.5
Large aggregation pipelines with a specific stage can crash mongod under default configuration
It may be possible to have an extremely long aggregation pipeline in conjunction with a specific stage/operator and cause a stack overflow due to the size of the stack frames used by that stage. If an attacker could cause such an aggregation to occur, they co…
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Medium 5.4
Denial of Service and Data Integrity vulnerability in features command
An authenticated user without any specific authorizations may be able to repeatedly invoke the features command where at a high volume may lead to resource depletion or generate high lock contention. This may result in denial of service and in rare cases coul…
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Medium 6.5
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 4.0.27;…
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Medium 6.5
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 o…
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Medium 5.3
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 and Mongo…
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Medium 6.5
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 Server v4.4 versions prior to 4.4.4.
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Medium 4.9
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 Server v4.0 versions prior to 4.0.6 and MongoDB Server v3.6 versions prior to 3.6.11.
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Medium 6.5
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 Server v3.6 versions prior to 3.6.21 and MongoDB Server v4.0 versions prior to 4.0.20.
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High 7.5
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 Server v4.2 versions prior to 4.2.1; MongoDB Server v4…
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Medium 6.5
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 Server v4.0 versions prior to 4.0.5; MongoDB …
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Medium 6.5
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 Server v4.4 versions prior to 4.4.1; MongoDB Server v4.2 versions prior to 4.2.9; MongoDB Ser…
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Medium 6.5
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 Server v4.2 versions prior to 4.2.1; MongoDB Server v4.0 versions prior to 4.0.13 an…
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Medium 6.5
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 Mongo…
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Medium 6.5
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 Server v4.2 versions prior to 4.2.2.
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Medium 6.5
$mod can result in undefined behavior
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 versi…
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Medium 6.5
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 Server v4.0 versions prior to 4.0.5 and MongoDB Server v3.6 versions prior to 3.6.10.
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Medium 6.5
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 Server v3.6 versions prior to 3.6.9 and MongoDB Server v4.0 versions prio…
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Medium 6.5
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 Server v4.0 versions prior to 4.0.10 and MongoDB Server v3.6 versions prior to 3.6.13.
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Medium 6.5
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 v4.4 versions prior to 4.4.1. Versions before 4.4 a…
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High 7.5
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 Server v4.4 versions prior to 4…
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Medium 6.5
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 Server v4.4 versions prior to 4.4.0-rc7; MongoD…
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Medium 4.6
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 Mongo…