Out-of-bounds Read Affecting nss-softokn-freebl package, versions <0:3.53.1-6.46.amzn1


medium

Snyk CVSS

    Attack Complexity Low
    Confidentiality High

    Threat Intelligence

    EPSS 0.56% (78th percentile)
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NVD
7.5 high
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SUSE
6.1 medium
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Red Hat
7.5 high

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  • Snyk ID SNYK-AMZN201803-NSSSOFTOKNFREEBL-1726603
  • published 27 Sep 2021
  • disclosed 23 Jul 2019

How to fix?

Upgrade Amazon-Linux:2018.03 nss-softokn-freebl to version 0:3.53.1-6.46.amzn1 or higher.
This issue was patched in ALAS-2021-1522.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nss-softokn-freebl package and not the nss-softokn-freebl package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

When importing a curve25519 private key in PKCS#8format with leading 0x00 bytes, it is possible to trigger an out-of-bounds read in the Network Security Services (NSS) library. This could lead to information disclosure. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.