CVE-2015-1794
OpenSSL SSL Denial of Service Vulnerability
Description
The ssl3_get_key_exchange function in ssl/s3_clnt.c in OpenSSL 1.0.2 before 1.0.2e allows remote servers to cause a denial of service (segmentation fault) via a zero p value in an anonymous Diffie-Hellman (DH) ServerKeyExchange message.
INFO
Published Date :
Dec. 6, 2015, 8:59 p.m.
Last Modified :
April 12, 2025, 10:46 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] |
Solution
- Upgrade to OpenSSL version 1.0.2e or later.
- Update the affected packages.
- Upgrade Cisco AnyConnect Secure Mobility Client to version 3.1.13015.0 or 4.2.1035.0 or later.
- Upgrade Oracle VM VirtualBox to version 4.3.36 / 5.0.18 or later.
Public PoC/Exploit Available at Github
CVE-2015-1794 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2015-1794.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2015-1794 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2015-1794
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2015-1794 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2015-1794 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://fortiguard.com/advisory/openssl-advisory-december-2015 Added Reference http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759 Added Reference http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761 Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00009.html Added Reference http://openssl.org/news/secadv/20151203.txt Added Reference http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151204-openssl Added Reference http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html Added Reference http://www.securitytracker.com/id/1034294 Added Reference http://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.754583 Added Reference http://www.ubuntu.com/usn/USN-2830-1 Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf Added Reference https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=ada57746b6b80beae73111fe1291bf8dd89af91c Added Reference https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05398322 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 13, 2023
Action Type Old Value New Value Removed Reference https://git.openssl.org/?p=openssl.git;a=commit;h=ada57746b6b80beae73111fe1291bf8dd89af91c [No Types Assigned] Added Reference https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=ada57746b6b80beae73111fe1291bf8dd89af91c [No Types Assigned] -
CVE Modified by [email protected]
Dec. 13, 2022
Action Type Old Value New Value Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf [No Types Assigned] -
CVE Modified by [email protected]
Sep. 14, 2017
Action Type Old Value New Value Added Reference http://www.securitytracker.com/id/1034294 [No Types Assigned] -
CVE Modified by [email protected]
May. 09, 2017
Action Type Old Value New Value Added Reference https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05398322 [No Types Assigned] -
CVE Modified by [email protected]
Dec. 31, 2016
Action Type Old Value New Value Added Reference http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761 [No Types Assigned] -
CVE Modified by [email protected]
Dec. 28, 2016
Action Type Old Value New Value Added Reference http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759 [No Types Assigned] -
CVE Modified by [email protected]
Dec. 07, 2016
Action Type Old Value New Value Added Reference http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151204-openssl [No Types Assigned] Added Reference http://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.754583 [No Types Assigned] Added Reference http://www.ubuntu.com/usn/USN-2830-1 [No Types Assigned] -
CVE Modified by [email protected]
Dec. 03, 2016
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00009.html [No Types Assigned] Added Reference http://fortiguard.com/advisory/openssl-advisory-december-2015 [No Types Assigned] -
CVE Modified by [email protected]
Apr. 22, 2016
Action Type Old Value New Value Added Reference http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html -
Modified Analysis by [email protected]
Dec. 07, 2015
Action Type Old Value New Value Added CPE Configuration Configuration 1 OR *cpe:2.3:a:openssl:openssl:1.0.2:*:*:*:*:*:*:* *cpe:2.3:a:openssl:openssl:1.0.2a:*:*:*:*:*:*:* *cpe:2.3:a:openssl:openssl:1.0.2b:*:*:*:*:*:*:* *cpe:2.3:a:openssl:openssl:1.0.2c:*:*:*:*:*:*:* *cpe:2.3:a:openssl:openssl:1.0.2d:*:*:*:*:*:*:* Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P) Changed Reference Type http://openssl.org/news/secadv/20151203.txt No Types Assigned http://openssl.org/news/secadv/20151203.txt Advisory Added CWE CWE-189 -
Initial Analysis by [email protected]
Dec. 07, 2015
Action Type Old Value New Value
Vulnerability Scoring Details
Base CVSS Score: 5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
3.13 }} -2.67%
score
0.86357
percentile