SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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…

MEDIUM 6.8EPSS 16.0%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 16.0%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

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.

CVSS 2.0
6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
EPSS
15.97% probability · 97th percentile
CISA KEV
Not listed
Weakness
CWE-362
Affected
openssl/openssl
Source
secalert@redhat.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.