Race Condition Affecting openssl package, versions <1.0.2b-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
39.53% (98th percentile)

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  • Snyk IDSNYK-DEBIAN9-OPENSSL-374197
  • published12 Jun 2015
  • disclosed12 Jun 2015

Introduced: 12 Jun 2015

CVE-2015-1791  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Debian:9 openssl to version 1.0.2b-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssl package and not the openssl package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

Race condition in the ssl3_get_new_session_ticket function in ssl/s3_clnt.c in OpenSSL before 0.9.8zg, 1.0.0 before 1.0.0s, 1.0.1 before 1.0.1n, and 1.0.2 before 1.0.2b, when used for a multi-threaded client, allows remote attackers to cause a denial of service (double free and application crash) or possibly have unspecified other impact by providing a NewSessionTicket during an attempt to reuse a ticket that had been obtained earlier.

References

CVSS Scores

version 3.1