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
2.18% (90th percentile)

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  • Snyk IDSNYK-RHEL7-OPENSSL-4488485
  • published26 Jul 2021
  • disclosed6 Aug 2014

Introduced: 6 Aug 2014

CVE-2014-3509  (opens in a new tab)
CWE-362  (opens 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

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