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Out-of-bounds Write Affecting openssl-libs package, versions <1:1.0.1e-42.el7_1.4

medium

Snyk CVSS

    Attack Complexity High

    Threat Intelligence

    EPSS 2.96% (91st percentile)
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NVD
5.3 medium
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Red Hat
3.7 low

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  • Snyk ID SNYK-CENTOS7-OPENSSLLIBS-2045954
  • published 26 Jul 2021
  • disclosed 19 Mar 2015
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Introduced: 19 Mar 2015

CVE-2015-0287 Open this link in a new tab
CWE-787 Open this link in a new tab

How to fix?

Upgrade Centos:7 openssl-libs to version 1:1.0.1e-42.el7_1.4 or higher.

NVD Description

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

The ASN1_item_ex_d2i function in crypto/asn1/tasn_dec.c in OpenSSL before 0.9.8zf, 1.0.0 before 1.0.0r, 1.0.1 before 1.0.1m, and 1.0.2 before 1.0.2a does not reinitialize CHOICE and ADB data structures, which might allow attackers to cause a denial of service (invalid write operation and memory corruption) by leveraging an application that relies on ASN.1 structure reuse.

References