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Out-of-Bounds Affecting openssl package, versions <1:1.0.1e-42.el7_1.8

Severity

 Recommended
medium

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    4.01% (93rd percentile)

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  • Snyk ID SNYK-RHEL7-OPENSSL-4999648
  • published 26 Jul 2021
  • disclosed 11 Jun 2015
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Introduced: 11 Jun 2015

CVE-2014-8176 Open this link in a new tab
CWE-119 Open this link in a new tab

How to fix?

Upgrade RHEL:7 openssl to version 1:1.0.1e-42.el7_1.8 or higher.
This issue was patched in RHSA-2015:1115.

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 dtls1_clear_queues function in ssl/d1_lib.c in OpenSSL before 0.9.8za, 1.0.0 before 1.0.0m, and 1.0.1 before 1.0.1h frees data structures without considering that application data can arrive between a ChangeCipherSpec message and a Finished message, which allows remote DTLS peers to cause a denial of service (memory corruption and application crash) or possibly have unspecified other impact via unexpected application data.

References

CVSS Scores

version 3.1
Expand this section

NVD

7.3 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    Low
  • Availability (A)
    Low