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Race Condition Affecting openssl package, versions <1:1.0.1e-34.el7_0.4

Severity

 Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    2.4% (91st percentile)

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  • Snyk ID SNYK-RHEL7-OPENSSL-1416115
  • published 26 Jul 2021
  • disclosed 6 Aug 2014
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Introduced: 6 Aug 2014

CVE-2014-3509 Open this link in a new tab
CWE-362 Open this link in a new tab

How to fix?

Upgrade RHEL:7 openssl to version 1:1.0.1e-34.el7_0.4 or higher.
This issue was patched in RHSA-2014:1052.

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.

Race condition in the ssl_parse_serverhello_tlsext function in t1_lib.c in OpenSSL 1.0.0 before 1.0.0n and 1.0.1 before 1.0.1i, when multithreading and session resumption are used, allows remote SSL servers to cause a denial of service (memory overwrite and client application crash) or possibly have unspecified other impact by sending Elliptic Curve (EC) Supported Point Formats Extension data.

References

CVSS Scores

version 3.1
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NVD

6.3 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    Required
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    Low
  • Availability (A)
    Low
Expand this section

Red Hat

5.6 medium