Out-of-bounds Read Affecting libidn package, versions <1.33


0.0
high

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
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NVD
7.5 high
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RHEL
3.7 low

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  • Snyk ID SNYK-COCOAPODS-LIBIDN-470962
  • published 2 Oct 2019
  • disclosed 22 Jul 2016
  • credit Hanno Böck

How to fix?

Upgrade libidn to version 1.33 or higher.

Overview

libidn is an Encode/decode i18n domains using Stringprep, Punycode and IDNA.

Affected versions of this package are vulnerable to Out-of-bounds Read. The vulnerability is due to the use of fgets with fixed-size buffer, leading to out-of-bounds read and allows the attackers to get sensitive memory information .