Home/CVE/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.
CVE

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.

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.

MEDIUM · CVSS 6.8 EPSS 0.10249
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 7% of all CVEs by exploitation likelihood
Sigma rules0 YARA rules0

Affected Products & Versions

2
openssl<= 0.9.8zf
opensslall versions

Scoring & Timeline

6.8
MEDIUM · CVSS v2 (legacy) · secalert@redhat.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:N/C:P/I:P/A:P
Published to NVD12 Jun 2015 · 07:59 PM

Vendor Advisories

19
suse-csafopenSUSE-SU-2024:10271-1
suse-csafopenSUSE-SU-2024:10529-1
suse-csafopenSUSE-SU-2024:11127-1
siemens-csafSSA-412672
suse-csafSUSE-SU-2015:1143-1
🔗

References & Sources

50
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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