netty: possible request smuggling in HTTP/2 due missing validation

In Netty io.netty:netty-codec-http2 before version 4.1.60.Final there is a vulnerability that enables request smuggling. If a Content-Length header is present in the original HTTP/2 request, the field is not validated by Http2MultiplexHandler as it is propagated up. This is fine as long as the...

Security Bulletin: IBM Cloud Pak for Multicloud Management Monitoring is vulnerable to several attack vectors due to its use of Apache Netty (CVE-2021-37136, CVE-2021-37137, CVE-2021-43797)

Summary Several security vulnerablities were found in the Apache Netty library used by several components in IBM Cloud Pak for Multicloud Management Monitoring. Vulnerability Details CVEID: CVE-2021-37136 DESCRIPTION: Netty netty-codec is vulnerable to a denial of service, caused by not allow siz...

Security Bulletin: IBM Tivoli Netcool/OMNIbus Transport Module Common Integration Library is affected by vulnerability in Netty (CVE-2022-24823)

Summary Netty CVE-2022-24823 is used by IBM Tivoli Netcool/OMNIbus Transport Module Common Integration Library as part of the webhook integration. The latest patch includes Netty 4.1.77.Final to fix the vulnerability. Vulnerability Details CVEID:CVE-2022-24823 DESCRIPTION: Netty could allow a loc...

Security Bulletin: IBM Cognos Analytics has addressed multiple vulnerabilities

Summary Security vulnerabilities have been addressed in IBM Cognos Analytics 11.1.7 FP5. These vulnerabilities have also been previously addressed in IBM Cognos Analytics 11.2.2. The following 3rd party components are used by IBM Cognos Analytics: Apache Axis is a Java based Web Services engine f...

netty: control chars in header names may lead to HTTP request smuggling

A flaw was found in Netty, specifically in the netty-codec-http package. This flaw allows unauthorized control characters at the beginning and end of a request, does not follow the specification, and can cause HTTP request smuggling...

netty: control chars in header names may lead to HTTP request smuggling

A flaw was found in Netty, specifically in the netty-codec-http package. This flaw allows unauthorized control characters at the beginning and end of a request, does not follow the specification, and can cause HTTP request smuggling...

netty-codec: Bzip2Decoder doesn't allow setting size restrictions for decompressed data

A flaw was found in Netty's netty-codec due to size restrictions for decompressed data in the Bzip2Decoder. By sending a specially-crafted input, a remote attacker could cause a denial of service...

netty-codec: SnappyFrameDecoder doesn't restrict chunk length and may buffer skippable chunks in an unnecessary way

A flaw was found in the Netty's netty-codec due to unrestricted chunk lengths in the SnappyFrameDecoder. By sending a specially-crafted input, a remote attacker could cause excessive memory usage resulting in a denial of service...

netty: control chars in header names may lead to HTTP request smuggling

A flaw was found in Netty, specifically in the netty-codec-http package. This flaw allows unauthorized control characters at the beginning and end of a request, does not follow the specification, and can cause HTTP request smuggling...

netty-codec: Bzip2Decoder doesn't allow setting size restrictions for decompressed data

A flaw was found in Netty's netty-codec due to size restrictions for decompressed data in the Bzip2Decoder. By sending a specially-crafted input, a remote attacker could cause a denial of service...

netty-codec: SnappyFrameDecoder doesn't restrict chunk length and may buffer skippable chunks in an unnecessary way

A flaw was found in the Netty's netty-codec due to unrestricted chunk lengths in the SnappyFrameDecoder. By sending a specially-crafted input, a remote attacker could cause excessive memory usage resulting in a denial of service...

netty: control chars in header names may lead to HTTP request smuggling

A flaw was found in Netty, specifically in the netty-codec-http package. This flaw allows unauthorized control characters at the beginning and end of a request, does not follow the specification, and can cause HTTP request smuggling...

netty-codec: Bzip2Decoder doesn't allow setting size restrictions for decompressed data

A flaw was found in Netty's netty-codec due to size restrictions for decompressed data in the Bzip2Decoder. By sending a specially-crafted input, a remote attacker could cause a denial of service...

netty-codec: SnappyFrameDecoder doesn't restrict chunk length and may buffer skippable chunks in an unnecessary way

A flaw was found in the Netty's netty-codec due to unrestricted chunk lengths in the SnappyFrameDecoder. By sending a specially-crafted input, a remote attacker could cause excessive memory usage resulting in a denial of service...

Security Bulletin: IBM Security Guardium is affected by a number of security vulnerabilities in Netty, which is used by Guardium (CVE-2021-21290, CVE-2021-21295, CVE-2021-21409, CVE-2021-37136, CVE-2021-37137)

Summary IBM Security Guardium has fixed these vulnerabilities. Vulnerability Details CVEID:CVE-2021-21290 DESCRIPTION: Netty could allow a local authenticated attacker to obtain sensitive information, caused by an insecure temp file in Unix-like systems. By sending a specially-crafted request, an...

netty: control chars in header names may lead to HTTP request smuggling

A flaw was found in Netty, specifically in the netty-codec-http package. This flaw allows unauthorized control characters at the beginning and end of a request, does not follow the specification, and can cause HTTP request smuggling...

CVE-2022-24823

CVE-2021-21290 contains an incomplete fix, and this addresses the issue found in netty. When using multipart decoders in netty, local information disclosure can occur via the local system temporary directory if temporary storing of uploads on the disk is enabled. Mitigation As a workaround, speci...

CVE-2020-11612

A flaw was found in Netty in the way it handles the amount of data it compresses and decompresses. The Compression/Decompression codecs should enforce memory allocation size limits to avoid an Out of Memory Error OOME or exhaustion of the memory pool...

CVE-2020-7238

A flaw was found in Netty, where it mishandles Transfer-Encoding whitespace. This flaw allows HTTP Request Smuggling. Mitigation Use HTTP/2 instead clear boundaries between requests Disable reuse of backend connections eg. http-reuse never in HAProxy or whatever equivalent LB settings...

CVE-2019-20445

A flaw was found in Netty before version 4.1.44, where it accepted multiple Content-Length headers and also accepted both Transfer-Encoding, as well as Content-Length headers where it should reject the message under such circumstances. In circumstances where Netty is used in the context of a...