Red Hat Security Advisory: Red Hat Advanced Cluster Management 2.8.2 security and bug fix updates

Moderate

A request smuggling attack is possible when using MaxBytesHandler. When using MaxBytesHandler, the body of an HTTP request is not fully consumed. When the server attempts to read HTTP2 frames from the connection, it will instead read the body of the HTTP request, which could be attacker-manipulated to represent arbitrary HTTP2 requests.

CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

A flaw was found in golang where angle brackets (<>) were not considered dangerous characters when inserted into CSS contexts. Templates containing multiple actions separated by a '/' character could result in the CSS context unexpectedly closing, allowing for the injection of unexpected HMTL if executed with untrusted input.

CWE-176 - Improper Handling of Unicode Encoding

A flaw was found in golang, where not all valid JavaScript white-space characters were considered white space. Due to this issue, templates containing white-space characters outside of the character set "\t\n\f\r\u0020\u2028\u2029" in JavaScript contexts that also contain actions may not be properly sanitized during execution.

CWE-176 - Improper Handling of Unicode Encoding

A flaw was found in the tough-cookie package which allows Prototype Pollution due to improper handling of Cookies when using CookieJar in rejectPublicSuffixes=false mode. This issue arises from the manner in which the objects are initialized.

CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

A flaw was found in golang. Templates containing actions in unquoted HTML attributes, for example, "attr={{.}}") executed with empty input, could result in output that has unexpected results when parsed due to HTML normalization rules. This issue may allow the injection of arbitrary attributes into tags.

CWE-176 - Improper Handling of Unicode Encoding