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About Snyk
 1. Snyk Vulnerability Database
 2. Maven
 3. commons-codec:commons-codec




INFORMATION EXPOSURE AFFECTING COMMONS-CODEC:COMMONS-CODEC PACKAGE, VERSIONS
[,1.13)

--------------------------------------------------------------------------------

SEVERITY

Recommended
3.7
low
0
10

CVSS ASSESSMENT MADE BY SNYK'S SECURITY TEAM

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 * Snyk ID SNYK-JAVA-COMMONSCODEC-561518
 * published 3 Mar 2012
 * disclosed 30 Mar 2020
 * credit Hanson Char

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INTRODUCED: 3 MAR 2012

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HOW TO FIX?

Upgrade commons-codec:commons-codec to version 1.13 or higher.


OVERVIEW

commons-codec:commons-codec is a package that contains simple encoder and
decoders for various formats such as Base64 and Hexadecimal.

Affected versions of this package are vulnerable to Information Exposure. When
there is no byte array value that can be encoded into a string the Base32
implementation does not reject it, and instead decodes it into an arbitrary
value which can be re-encoded again using the same implementation. This allows
for information exposure exploits such as tunneling additional information via
seemingly valid base 32 strings.


REFERENCES

 * GitHub Commit
 * Jira Issue


CVSS SCORES

version 3.1
Expand this section


SNYK

3.7 low
 * Attack Vector (AV)
   Network
 * Attack Complexity (AC)
   High
 * Privileges Required (PR)
   None
 * User Interaction (UI)
   None

 * Scope (S)
   Unchanged

 * Confidentiality (C)
   Low
 * Integrity (I)
   None
 * Availability (A)
   None


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