Race Condition Affecting openssl package, versions <1:1.0.1k-13.88.amzn1


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
12.81% (96th percentile)

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  • Snyk IDSNYK-AMZN201803-OPENSSL-1692075
  • published27 Sept 2021
  • disclosed6 Dec 2015

Introduced: 6 Dec 2015

CVE-2015-3196  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 openssl to version 1:1.0.1k-13.88.amzn1 or higher.
This issue was patched in ALAS-2015-614.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssl package and not the openssl package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

ssl/s3_clnt.c in OpenSSL 1.0.0 before 1.0.0t, 1.0.1 before 1.0.1p, and 1.0.2 before 1.0.2d, when used for a multi-threaded client, writes the PSK identity hint to an incorrect data structure, which allows remote servers to cause a denial of service (race condition and double free) via a crafted ServerKeyExchange message.

References

CVSS Base Scores

version 3.1