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Stack-based Buffer Overflow Affecting libtasn1 package, versions *

low

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.23% (61st percentile)
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NVD
8.8 high
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Red Hat
7.8 high

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  • Snyk ID SNYK-CENTOS7-LIBTASN1-1985003
  • published 26 Jul 2021
  • disclosed 18 May 2017
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Introduced: 18 May 2017

CVE-2017-6891 Open this link in a new tab
CWE-121 Open this link in a new tab

How to fix?

There is no fixed version for Centos:7 libtasn1.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libtasn1 package and not the libtasn1 package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

Two errors in the "asn1_find_node()" function (lib/parser_aux.c) within GnuTLS libtasn1 version 4.10 can be exploited to cause a stacked-based buffer overflow by tricking a user into processing a specially crafted assignments file via the e.g. asn1Coding utility.

References