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com.upokecenter:cbor@4.5.1 vulnerabilities

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Direct Vulnerabilities

Known vulnerabilities in the com.upokecenter:cbor package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
  • H
Denial of Service (DoS)

com.upokecenter:cbor is a Java implementation of Concise Binary Object Representation.

Affected versions of this package are vulnerable to Denial of Service (DoS) via an inefficient algorithm when a maliciously crafted input is passed to DecodeFromBytes or other CBOR decoding mechanisms.

Workaround

An input that decodes to a single CBOR object is not capable of containing a CBOR map if:

  1. It begins with a byte other than 0x80 through 0xDF, or
  2. It does not contain a byte in the range 0xa0 through 0xBF Such an input is not affected by this vulnerability and an application can choose to perform this check before passing it to a CBOR decoding mechanism.

How to fix Denial of Service (DoS)?

Upgrade com.upokecenter:cbor to version 4.5.2 or higher.

[4.0.0,4.5.2)
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