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Out-of-bounds Write Affecting p11-kit package, versions <0:0.23.22-1.el8

medium

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.24% (62nd percentile)
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NVD
7.5 high
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Red Hat
7.5 high

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  • Snyk ID SNYK-CENTOS8-P11KIT-2102932
  • published 26 Jul 2021
  • disclosed 12 Dec 2020
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Introduced: 12 Dec 2020

CVE-2020-29363 Open this link in a new tab
CWE-787 Open this link in a new tab

How to fix?

Upgrade Centos:8 p11-kit to version 0:0.23.22-1.el8 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream p11-kit package and not the p11-kit package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

An issue was discovered in p11-kit 0.23.6 through 0.23.21. A heap-based buffer overflow has been discovered in the RPC protocol used by p11-kit server/remote commands and the client library. When the remote entity supplies a serialized byte array in a CK_ATTRIBUTE, the receiving entity may not allocate sufficient length for the buffer to store the deserialized value.