What is CVE-2015-1791?

CVE-2015-1791 is a vulnerability in Openssl, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). Published 2015-06-12.

Is CVE-2015-1791 known to be exploited?

10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Openssl

CVE-2015-1791

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.

Vulnerability class: Race Condition

EPSS: 0.160 (96.6th percentile) — read the EPSS interpretation.

Affected products

Openssl — versions 1.0.0, 1.0.0a, 1.0.0b
N/a — versions n/a

Weakness classification (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2015-1791?: CVE-2015-1791 is a vulnerability in Openssl, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). Published 2015-06-12.
Is CVE-2015-1791 known to be exploited?: 10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.