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Vulnerability Details : 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.
Publish Date : 2015-06-12 Last Update Date : 2017-11-14
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 362

- Related OVAL Definitions

Title Definition Id Class Family
AIX OpenSSL NewSessionTicket vulnerability oval:org.mitre.oval:def:28506 unix
CESA-2015:1115 -- centos 6 openssl oval:org.mitre.oval:def:28674 unix
CESA-2015:1115 -- centos 7 openssl oval:org.mitre.oval:def:29099 unix
ELSA-2015-1115 -- Oracle openssl oval:org.mitre.oval:def:29126 unix
ELSA-2015-1115 -- Oracle openssl oval:org.mitre.oval:def:28643 unix
HP-UX OpenSSL Vulnerability (Race condition handling NewSessionTicket) oval:org.mitre.oval:def:29239 unix
RHSA-2015:1115-01 -- Redhat openssl oval:org.mitre.oval:def:28440 unix
RHSA-2015:1115: openssl security update (Moderate) oval:com.redhat.rhsa:def:20151115 unix
SUSE-SU-2015:1150-1 -- Security update for compat-openssl098 (important) oval:org.mitre.oval:def:29252 unix
SUSE-SU-2015:1143-1 -- Security update for openssl (important) oval:org.mitre.oval:def:28265 unix
USN-2639-1 -- openssl vulnerabilities oval:org.mitre.oval:def:29160 unix
USN-2639-1 -- openssl vulnerabilities oval:org.mitre.oval:def:28583 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2015-1791

# Product Type Vendor Product Version Update Edition Language
1 Application Openssl Openssl 0.9.8zf Version Details Vulnerabilities
2 Application Openssl Openssl 1.0.0o Version Details Vulnerabilities
3 Application Openssl Openssl 1.0.0d Version Details Vulnerabilities
4 Application Openssl Openssl 1.0.0 Beta4 Version Details Vulnerabilities
5 Application Openssl Openssl 1.0.0j Version Details Vulnerabilities
6 Application Openssl Openssl 1.0.0e Version Details Vulnerabilities
7 Application Openssl Openssl 1.0.0p Version Details Vulnerabilities
8 Application Openssl Openssl 1.0.0 Beta5 Version Details Vulnerabilities
9 Application Openssl Openssl 1.0.0k Version Details Vulnerabilities
10 Application Openssl Openssl 1.0.0 Version Details Vulnerabilities
11 Application Openssl Openssl 1.0.0f Version Details Vulnerabilities
12 Application Openssl Openssl 1.0.0q Version Details Vulnerabilities
13 Application Openssl Openssl 1.0.0a Version Details Vulnerabilities
14 Application Openssl Openssl 1.0.0l Version Details Vulnerabilities
15 Application Openssl Openssl 1.0.0 Beta1 Version Details Vulnerabilities
16 Application Openssl Openssl 1.0.0g Version Details Vulnerabilities
17 Application Openssl Openssl 1.0.0r Version Details Vulnerabilities
18 Application Openssl Openssl 1.0.0m Version Details Vulnerabilities
19 Application Openssl Openssl 1.0.0b Version Details Vulnerabilities
20 Application Openssl Openssl 1.0.0 Beta2 Version Details Vulnerabilities
21 Application Openssl Openssl 1.0.0h Version Details Vulnerabilities
22 Application Openssl Openssl 1.0.0n Version Details Vulnerabilities
23 Application Openssl Openssl 1.0.0c Version Details Vulnerabilities
24 Application Openssl Openssl 1.0.0 Beta3 Version Details Vulnerabilities
25 Application Openssl Openssl 1.0.0i Version Details Vulnerabilities
26 Application Openssl Openssl 1.0.1i Version Details Vulnerabilities
27 Application Openssl Openssl 1.0.1d Version Details Vulnerabilities
28 Application Openssl Openssl 1.0.1 Beta2 Version Details Vulnerabilities
29 Application Openssl Openssl 1.0.1j Version Details Vulnerabilities
30 Application Openssl Openssl 1.0.1e Version Details Vulnerabilities
31 Application Openssl Openssl 1.0.1 Beta3 Version Details Vulnerabilities
32 Application Openssl Openssl 1.0.1k Version Details Vulnerabilities
33 Application Openssl Openssl 1.0.1f Version Details Vulnerabilities
34 Application Openssl Openssl 1.0.1a Version Details Vulnerabilities
35 Application Openssl Openssl 1.0.1l Version Details Vulnerabilities
36 Application Openssl Openssl 1.0.1g Version Details Vulnerabilities
37 Application Openssl Openssl 1.0.1b Version Details Vulnerabilities
38 Application Openssl Openssl 1.0.1m Version Details Vulnerabilities
39 Application Openssl Openssl 1.0.1 Version Details Vulnerabilities
40 Application Openssl Openssl 1.0.1h Version Details Vulnerabilities
41 Application Openssl Openssl 1.0.1c Version Details Vulnerabilities
42 Application Openssl Openssl 1.0.1 Beta1 Version Details Vulnerabilities
43 Application Openssl Openssl 1.0.2 Beta1 Version Details Vulnerabilities
44 Application Openssl Openssl 1.0.2a Version Details Vulnerabilities
45 Application Openssl Openssl 1.0.2 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Openssl Openssl 45

- References For CVE-2015-1791 CONFIRM CONFIRM
BID 75161 OpenSSL CVE-2015-1791 Race Condition Security Vulnerability Release Date:2017-05-23
BID 91787 Oracle July 2016 Critical Patch Update Multiple Vulnerabilities Release Date:2018-10-15
SECTRACK 1032479
HP SSRT102180
CISCO 20150612 Multiple Vulnerabilities in OpenSSL (June 2015) Affecting Cisco Products
SUSE openSUSE-SU-2016:0640
SUSE SUSE-SU-2015:1184
SUSE SUSE-SU-2015:1185
SUSE SUSE-SU-2015:1150
SUSE SUSE-SU-2015:1143
FEDORA FEDORA-2015-10108
SUSE openSUSE-SU-2015:1139
APPLE APPLE-SA-2015-08-13-2

- Metasploit Modules Related To CVE-2015-1791

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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