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CVE-2015-1791

UnknownEPSS 15.97%

Last modified

CVE-2015-1791 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 15.97% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability
15.97%

96.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
OpensslOpenssl<= 0.9.8zf
OpensslOpenssl1.0.0
OpensslOpenssl1.0.0a
OpensslOpenssl1.0.0b
OpensslOpenssl1.0.0c
OpensslOpenssl1.0.0d
OpensslOpenssl1.0.0e
OpensslOpenssl1.0.0f
OpensslOpenssl1.0.0g
OpensslOpenssl1.0.0h
OpensslOpenssl1.0.0i
OpensslOpenssl1.0.0j
OpensslOpenssl1.0.0k
OpensslOpenssl1.0.0l
OpensslOpenssl1.0.0m
OpensslOpenssl1.0.0n
OpensslOpenssl1.0.0o
OpensslOpenssl1.0.0p
OpensslOpenssl1.0.0q
OpensslOpenssl1.0.0r
OpensslOpenssl1.0.1
OpensslOpenssl1.0.1a
OpensslOpenssl1.0.1b
OpensslOpenssl1.0.1c
OpensslOpenssl1.0.1d
OpensslOpenssl1.0.1e
OpensslOpenssl1.0.1f
OpensslOpenssl1.0.1g
OpensslOpenssl1.0.1h
OpensslOpenssl1.0.1i
OpensslOpenssl1.0.1j
OpensslOpenssl1.0.1k
OpensslOpenssl1.0.1l
OpensslOpenssl1.0.1m
OpensslOpenssl1.0.2
OpensslOpenssl1.0.2a

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2015-1791?
Severity scoring for CVE-2015-1791 is pending analysis. The EPSS model estimates a 15.97% probability of exploitation in the next 30 days.
How do I fix CVE-2015-1791?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-1791?

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Source: NVD / NIST