OpenSSL 1.0.2 RSA PSS denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in OpenSSL 1.0.2. The affected element is an unknown function of the component RSA PSS Handler. This manipulation causes denial of service. This vulnerability is tracked as CVE-2015-0208. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in OpenSSL 1.0.2 (Network Encryption Software) and classified as problematic. Affected by this vulnerability is an unknown functionality of the component RSA PSS Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The issue has been introduced in 03/19/2015. The weakness was disclosed 03/19/2015 by Brian Carpenter as secadv_20150319.txt as confirmed advisory (Website). It is possible to read the advisory at openssl.org. This vulnerability is known as CVE-2015-0208 since 11/18/2014. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 82010 (GLSA-201503-11 : OpenSSL: Multiple vulnerabilities (FREAK)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370183 (HP Systems Insight Manager Multiple Vulnerabilities).

Upgrading to version 1.0.2a eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 19896.

The vulnerability is also documented in the databases at X-Force (101667), Tenable (82010), SecurityFocus (BID 73230†), SecurityTracker (ID 1031929†) and Vulnerability Center (SBV-56886†). Additional details are provided at grahamcluley.com. The entries VDB-74043, VDB-74044, VDB-74045 and VDB-74046 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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License

Support

  • end of life (old version)

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 82010
Nessus Name: GLSA-201503-11 : OpenSSL: Multiple vulnerabilities (FREAK)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 902837
OpenVAS Name: OpenSSL Multiple Vulnerabilities -01 Nov15 (Linux)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: OpenSSL 1.0.2a
Patch: 4b22cce3812052fe64fc3f6d58d8cc884e3cb834
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

Fortigate IPS: 🔍

Timelineinfo

11/18/2014 🔍
03/16/2015 +118 days 🔍
03/18/2015 +2 days 🔍
03/19/2015 +0 days 🔍
03/19/2015 +0 days 🔍
03/19/2015 +0 days 🔍
03/19/2015 +0 days 🔍
03/20/2015 +1 days 🔍
03/23/2015 +3 days 🔍
07/20/2015 +118 days 🔍
03/01/2016 +226 days 🔍
04/15/2022 +2235 days 🔍

Sourcesinfo

Product: openssl.org

Advisory: secadv_20150319.txt
Researcher: Brian Carpenter
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-0208 (🔍)
GCVE (CVE): GCVE-0-2015-0208
GCVE (VulDB): GCVE-100-74047
X-Force: 101667 - OpenSSL RSA PSS denial of service
SecurityFocus: 73230 - OpenSSL CVE-2015-0208 NULL Pointer Dereference Denial of Service Vulnerability
SecurityTracker: 1031929
Vulnerability Center: 56886 - OpenSSL Remote DoS via Crafted RSA PSS Parameters - CVE-2015-0208, Medium

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 03/20/2015 09:51
Updated: 04/15/2022 20:59
Changes: 03/20/2015 09:51 (74), 08/25/2018 09:15 (16), 04/15/2022 20:59 (5)
Complete: 🔍
Cache ID: 216:892:103

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