Out-of-bounds Write Affecting openssl package, versions <1:1.0.1e-51.el7_2.5


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    90.51% (99th percentile)

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  • Snyk ID SNYK-RHEL7-OPENSSL-4607176
  • published 26 Jul 2021
  • disclosed 3 May 2016

How to fix?

Upgrade RHEL:7 openssl to version 1:1.0.1e-51.el7_2.5 or higher.
This issue was patched in RHSA-2016:0722.

NVD Description

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

The ASN.1 implementation in OpenSSL before 1.0.1o and 1.0.2 before 1.0.2c allows remote attackers to execute arbitrary code or cause a denial of service (buffer underflow and memory corruption) via an ANY field in crafted serialized data, aka the "negative zero" issue.

References