Missing validation causes denial of service via `StagePeek`

ImpactThe implementation of tf.rawops.StagePeek does not fully validate the input arguments. This results in a CHECK-failure which can be used to trigger a denial of service attack:pythonimport tensorflow as tfindex = tf.constant, shape=0, dtype=tf.int32tf.rawops.StagePeekindex=index,...

Missing validation crashes `QuantizeAndDequantizeV4Grad`

ImpactThe implementation of tf.rawops.QuantizeAndDequantizeV4Grad does not fully validate the input arguments. This results in a CHECK-failure which can be used to trigger a denial of service attack:pythonimport tensorflow as tftf.rawops.QuantizeAndDequantizeV4Grad gradients=tf.constant1,...

Missing validation causes denial of service via `DeleteSessionTensor`

ImpactThe implementation of tf.rawops.DeleteSessionTensor does not fully validate the input arguments. This results in a CHECK-failure which can be used to trigger a denial of service attack:pythonimport tensorflow as tfhandle = tf.constant"", shape=0,...

Missing validation causes denial of service via `GetSessionTensor`

ImpactThe implementation of tf.rawops.GetSessionTensor does not fully validate the input arguments. This results in a CHECK-failure which can be used to trigger a denial of service attack:pythonimport tensorflow as tfhandle = tf.constant"", shape=0,...

matrix-sydent and matrix-synapse Use Cryptographically Weak PRNG

An issue was discovered in Matrix Sydent before 1.0.3 and Synapse before 0.99.3.1. Random number generation is mishandled, which makes it easier for attackers to predict a Sydent authentication token or a Synapse random ID...

Plone Privilege Escallation

plone.restapi in Plone 5.2.0 through 5.2.1 allows users with a certain privilege level to escalate their privileges up to the highest level...

Missing validation crashes `QuantizeAndDequantizeV4Grad`

ImpactThe implementation of tf.rawops.QuantizeAndDequantizeV4Grad does not fully validate the input arguments. This results in a CHECK-failure which can be used to trigger a denial of service attack:pythonimport tensorflow as tftf.rawops.QuantizeAndDequantizeV4Grad gradients=tf.constant1,...

Missing validation causes denial of service via `GetSessionTensor`

ImpactThe implementation of tf.rawops.GetSessionTensor does not fully validate the input arguments. This results in a CHECK-failure which can be used to trigger a denial of service attack:pythonimport tensorflow as tfhandle = tf.constant"", shape=0,...

Missing validation causes denial of service via `DeleteSessionTensor`

ImpactThe implementation of tf.rawops.DeleteSessionTensor does not fully validate the input arguments. This results in a CHECK-failure which can be used to trigger a denial of service attack:pythonimport tensorflow as tfhandle = tf.constant"", shape=0,...

OpenStack Cinder, Glance, and Nova contain Uncontrolled Resource Consumption

The image parser in OpenStack Cinder prior to 7.0.2, and 8.0.0 and above, prior to 9.0.0; Glance prior to 14.00; and Nova prior to 12.0.4 does not properly limit qemu-img calls, which might allow attackers to cause a denial of service memory and disk consumption via a crafted disk image. This iss...

Products.CMFPlone Open Redirect Vulnerability

When you visit a page where you need to login, Plone 2.5-5.1rc1 sends you to the login form with a 'camefrom' parameter set to the previous url. After you login, you get redirected to the page you tried to view before. An attacker might try to abuse this by letting you click on a specially crafte...

Missing validation causes `TensorSummaryV2` to crash

ImpactThe implementation of tf.rawops.TensorSummaryV2 does not fully validate the input arguments. This results in a CHECK-failure which can be used to trigger a denial of service attack:pythonimport numpy as npimport tensorflow as tftf.rawops.TensorSummaryV2 tag=np.array'test', tensor=np.array3,...

Products.CMFPlone XSS in profile home_page property

A member of the Plone site could set javascript in the homepage property of their profile, and have this executed when a visitor clicks the home page link on the author page...

Plone unauthorized member addition vulnerability

Plone 3.3.0 through 3.3.6, 4.0.0 through 4.0.10, 4.1.0 through 4.1.6, 4.2.0 through 4.2.7, 4.3.0 through 4.3.6, and 5.0rc1 allows remote attackers to add a new member to a Plone site with registration enabled, without acknowledgment of site administrator...

Missing validation causes `TensorSummaryV2` to crash

ImpactThe implementation of tf.rawops.TensorSummaryV2 does not fully validate the input arguments. This results in a CHECK-failure which can be used to trigger a denial of service attack:pythonimport numpy as npimport tensorflow as tftf.rawops.TensorSummaryV2 tag=np.array'test', tensor=np.array3,...

Tryton vulnerable to arbitrary command execution

The safeeval function in trytond in Tryton before 2.4.15, 2.6.x before 2.6.14, 2.8.x before 2.8.11, 3.0.x before 3.0.7, and 3.2.x before 3.2.3 allows remote authenticated users to execute arbitrary commands via shell metacharacters in 1 the collection.domain in the webdav module or 2 the formula...

OpenStack Cinder, Glance, and Nova contain Uncontrolled Resource Consumption

The image parser in OpenStack Cinder prior to 7.0.2, and 8.0.0 and above, prior to 9.0.0; Glance prior to 14.00; and Nova prior to 12.0.4 does not properly limit qemu-img calls, which might allow attackers to cause a denial of service memory and disk consumption via a crafted disk image. This iss...

Paste Script has improper group memberships permissions

Paste Script 1.7.5 and earlier does not properly set group memberships during execution with root privileges, which might allow remote attackers to bypass intended file-access restrictions by leveraging a web application that uses the local filesystem...

OpenStack Identity Keystone and keystonemiddleware Insufficiently Protected Credentials

The identity service in OpenStack Identity Keystone before 2015.1.3 Kilo and 8.0.x before 8.0.2 Liberty and keystonemiddleware formerly python-keystoneclient before 1.5.4 Kilo and Liberty before 2.3.3 does not properly invalidate authorization tokens when using the PKI or PKIZ token providers,...

OpenStack Keystone and other components vulnerable to Improper Certificate Validation

HTTPSConnections in OpenStack Keystone 2013, OpenStack Compute 2013.1, and possibly other OpenStack components, fail to validate server-side SSL certificates...

Improper Neutralization of Input During Web Page Generation in Jupyter Notebook

An XSSI cross-site inclusion vulnerability in Jupyter Notebook before 5.7.6 allows inclusion of resources on malicious pages when visited by users who are authenticated with a Jupyter server. Access to the content of resources has been demonstrated with Internet Explorer through capturing of erro...

XML Entity Expansion in trytond and proteus

An XML Entity Expansion XEE issue was discovered in Tryton Application Platform Server 5.x through 5.0.45, 6.x through 6.0.15, and 6.1.x and 6.2.x through 6.2.5, and Tryton Application Platform Command Line Client proteus 5.x through 5.0.11, 6.x through 6.0.4, and 6.1.x and 6.2.x through 6.2.1. A...

OpenStack Keystone and other components vulnerable to Improper Certificate Validation

HTTPSConnections in OpenStack Keystone 2013, OpenStack Compute 2013.1, and possibly other OpenStack components, fail to validate server-side SSL certificates...

OpenStack Keystone and other components vulnerable to Improper Certificate Validation

HTTPSConnections in OpenStack Keystone 2013, OpenStack Compute 2013.1, and possibly other OpenStack components, fail to validate server-side SSL certificates...

Zope XSS Vulnerability

Cross-site scripting XSS vulnerability in Zope 2.8.x before 2.8.12, 2.9.x before 2.9.12, 2.10.x before 2.10.11, 2.11.x before 2.11.6, and 2.12.x before 2.12.3, 3.1.1 through 3.4.1. allows remote attackers to inject arbitrary web script or HTML via vectors related to the way error messages perform...

Division by zero in Tensorflow

Impact The implementation of FractionalMaxPool can be made to crash a TensorFlow process via a division by 0:pythonimport tensorflow as tfimport numpy as nptf.rawops.FractionalMaxPool value=tf.constantvalue=1, 4, 2, 3, dtype=tf.int64, poolingratio=1.0, 1.44, 1.73, 1.0, pseudorandom=False,...

Integer overflow in Tensorflow

ImpactThe implementation of OpLevelCostEstimator::CalculateOutputSize is vulnerable to an integer overflow if an attacker can create an operation which would involve tensors with large enough number of elements:ccfor const auto& dim : outputshape.dim outputsize = dim.size; Here, we can have a lar...

Memory leak in Tensorflow

ImpactIf a graph node is invalid, TensorFlow can leak memory in the implementation of ImmutableExecutorState::Initialize:ccStatus s = params.createkerneln-properties, &item-;kernel;if !s.ok item-kernel = nullptr; s = AttachDefs, n; return s; Here, we set item-kernel to nullptr but it is a simple...

`CHECK`-failures in binary ops in Tensorflow

ImpactA malicious user can cause a denial of service by altering a SavedModel such that any binary op would trigger CHECK failures. This occurs when the protobuf part corresponding to the tensor arguments is modified such that the dtype no longer matches the dtype expected by the op. In that case...

Improper Restriction of XML External Entity Reference in trytond and proteus

An XXE issue was discovered in Tryton Application Platform Server 5.x through 5.0.45, 6.x through 6.0.15, and 6.1.x and 6.2.x through 6.2.5, and Tryton Application Platform Command Line Client proteus 5.x through 5.0.11, 6.x through 6.0.4, and 6.1.x and 6.2.x through 6.2.1. An authenticated user...

`CHECK`-failures during Grappler's `SafeToRemoveIdentity` in Tensorflow

ImpactThe Grappler optimizer in TensorFlow can be used to cause a denial of service by altering a SavedModel such that SafeToRemoveIdentity would trigger CHECK failures. PatchesWe have patched the issue in GitHub commit 92dba16749fae36c246bec3f9ba474d9ddeb7662.The fix will be included in TensorFl...

Null-dereference in Tensorflow

ImpactThe implementation of GetInitOp is vulnerable to a crash caused by dereferencing a null pointer:ccconst auto& initopsigit = metagraphdef.signaturedef.findkSavedModelInitOpSignatureKey;if initopsigit != sigdefmap.end initopname = initopsigit-second.outputs .findkSavedModelInitOpSignatureKey...

`CHECK`-failures in `TensorByteSize` in Tensorflow

ImpactA malicious user can cause a denial of service by altering a SavedModel such that TensorByteSize would trigger CHECK failures.ccint64t TensorByteSizeconst TensorProto& t // numelements returns -1 if shape is not fully defined. int64t numelems = TensorShapet.tensorshape.numelements; return...

Integer overflow in Tensorflow

ImpactThe implementation of OpLevelCostEstimator::CalculateTensorSize is vulnerable to an integer overflow if an attacker can create an operation which would involve a tensor with large enough number of elements:ccint64t OpLevelCostEstimator::CalculateTensorSize const OpInfo::TensorProperties&...

Overflow and uncaught divide by zero in Tensorflow

Impact The implementation of UnravelIndex is vulnerable to a division by zero caused by an integer overflow bug:pythonimport tensorflow as tftf.rawops.UnravelIndexindices=-0x100000,dims=0x100000,0x100000 PatchesWe have patched the issue in GitHub commit 58b34c6c8250983948b5a781b426f6aa01fd47af. T...

Division by zero in Tensorflow

Impact The estimator for the cost of some convolution operations can be made to execute a division by 0:pythonimport tensorflow as [email protected] test: y=tf.rawops.AvgPoolGrad originputshape=1,1,1,1, grad=1.0,1.0,1.0,2.0,2.0,2.0,3.0,3.0,3.0, ksize=1,1,1,1, strides=1,1,1,0, padding='VALID',...

Memory exhaustion in Tensorflow

Impact The implementation of ThreadPoolHandle can be used to trigger a denial of service attack by allocating too much memory:pythonimport tensorflow as tfy = tf.rawops.ThreadPoolHandlenumthreads=0x60000000,displayname='tf'This is because the numthreads argument is only checked to not be negative...

Type confusion leading to segfault in Tensorflow

Impact The implementation of shape inference for ConcatV2 can be used to trigger a denial of service attack via a segfault caused by a type confusion:pythonimport tensorflow as [email protected] test: y = tf.rawops.ConcatV2 values=1,2,3,4,5,6, axis = 0xb500005b return ytestThe axis argument is...

Use after free in `DecodePng` kernel

ImpactA malicious user can cause a use after free behavior when decoding PNG images:ccif / ... error conditions ... / png::CommonFreeDecode; OPREQUIREScontext, false, errors::InvalidArgument"PNG size too large for int: ", decode.width, " by ", decode.height; After png::CommonFreeDecode gets calle...

Reachable Assertion in Tensorflow

ImpactWhen decoding a resource handle tensor from protobuf, a TensorFlow process can encounter cases where a CHECK assertion is invalidated based on user controlled arguments. This allows attackers to cause denial of services in TensorFlow processes. PatchesWe have patched the issue in GitHub...

Out of bounds write in Tensorflow

ImpactTensorFlow is vulnerable to a heap OOB write in Grappler:ccStatus SetUnknownShapeconst NodeDef node, int outputport shapeinference::ShapeHandle shape = GetUnknownOutputShapenode, outputport; InferenceContext ctx = GetContextnode; if ctx == nullptr return errors::InvalidArgument"Missing...

Memory exhaustion in Tensorflow

Impact The implementation of StringNGrams can be used to trigger a denial of service attack by causing an OOM condition after an integer overflow:pythonimport tensorflow as tftf.rawops.StringNGrams data='123456', datasplits=0,1, separator='a'15, ngramwidths=, leftpad='', rightpad='', padwidth=-5,...

`CHECK`-failures in Tensorflow

Impact The implementation of MapStage is vulnerable a CHECK-fail if the key tensor is not a scalar:pythonimport tensorflow as tfimport numpy as nptf.rawops.MapStage key = tf.constantvalue=4, shape= 1,2, dtype=tf.int64, indices = np.array6, values = np.array-60, dtypes = tf.int64, capacity=0,...

Insecure temporary file in Tensorflow

ImpactIn multiple places, TensorFlow uses tempfile.mktemp to create temporary files. While this is acceptable in testing, in utilities and libraries it is dangerous as a different process can create the file between the check for the filename in mktemp and the actual creation of the file by a...

Integer overflow in Tensorflow

ImpactThe implementation of Range suffers from integer overflows. These can trigger undefined behavior or, in some scenarios, extremely large allocations. PatchesWe have patched the issue in GitHub commit f0147751fd5d2ff23251149ebad9af9f03010732 merging 51733.The fix will be included in TensorFlo...

`CHECK`-failures in Tensorflow

ImpactAn attacker can trigger denial of service via assertion failure by altering a SavedModel on disk such that AttrDefs of some operation are duplicated. PatchesWe have patched the issue in GitHub commit c2b31ff2d3151acb230edc3f5b1832d2c713a9e0.The fix will be included in TensorFlow 2.8.0. We...

Division by zero in TFLite

Impact An attacker can craft a TFLite model that would trigger a division by zero in the implementation of depthwise convolutions.The parameters of the convolution can be user controlled and are also used within a division operation to determine the size of the padding that needs to be added befo...

Heap overflow in Tensorflow

Impact The implementation of SparseCountSparseOutput is vulnerable to a heap overflow:pythonimport tensorflow as tfimport numpy as nptf.rawops.SparseCountSparseOutput indices=-1,-1, values=2, denseshape=1, 1, weights=1, binaryoutput=True, minlength=-1, maxlength=-1, name=None PatchesWe have patch...

Integer overflow in TFLite

Impact An attacker can craft a TFLite model that would cause an integer overflow in embedding lookup operations:cc int embeddingsize = 1; int lookupsize = 1; for int i = 0; i data.i32i; lookupsize = dim; outputshape-datak = dim; for int i = 1; i datak = dim; Both embeddingsize and lookupsize are...

Out of bounds write in TFLite

Impact An attacker can craft a TFLite model that would cause a write outside of bounds of an array in TFLite. In fact, the attacker can override the linked list used by the memory allocator. This can be leveraged for an arbitrary write primitive under certain conditions. PatchesWe have patched th...