OpenSSL 1.0.2 PRNG cryptographic issue

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.6$0-$5k0.00

Summaryinfo

A vulnerability was found in OpenSSL 1.0.2. It has been rated as critical. Affected by this issue is some unknown functionality of the component PRNG. This manipulation causes cryptographic issue. This vulnerability appears as CVE-2015-0285. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in OpenSSL 1.0.2 (Network Encryption Software). Affected by this vulnerability is an unknown function of the component PRNG. The manipulation with an unknown input leads to a cryptographic issue vulnerability. The CWE definition for the vulnerability is CWE-310. As an impact it is known to affect integrity.

The issue has been introduced in 03/19/2015. The weakness was presented 03/19/2015 as secadv_20150319.txt as confirmed advisory (Website). The advisory is shared at openssl.org. This vulnerability is known as CVE-2015-0285 since 11/18/2014. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1600 for this issue.

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.

The vulnerability is also documented in the databases at X-Force (101673), Tenable (82010), SecurityFocus (BID 73196†), SecurityTracker (ID 1031929†) and Vulnerability Center (SBV-56892†). Additional details are provided at grahamcluley.com. See VDB-74043, VDB-74044, VDB-74045 and VDB-74046 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

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
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cryptographic issue
CWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

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: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: OpenSSL 1.0.2a
Patch: e1b568dd2462f7cacf98f3d117936c34e2849a6b

Timelineinfo

11/18/2014 🔍
03/16/2015 +118 days 🔍
03/19/2015 +3 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
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-0285 (🔍)
GCVE (CVE): GCVE-0-2015-0285
GCVE (VulDB): GCVE-100-74053
X-Force: 101673 - OpenSSL PRNG weak security
SecurityFocus: 73196
SecurityTracker: 1031929
Vulnerability Center: 56892 - OpenSSL 1.0.2 Remote Information Disclosure due to Handshake with Unseeded PRNG - CVE-2015-0285, Medium

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 03/20/2015 09:52
Updated: 04/15/2022 21:56
Changes: 03/20/2015 09:52 (78), 08/25/2018 09:17 (5), 04/15/2022 21:56 (5)
Complete: 🔍
Cache ID: 216:A6C:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to know what is going to be exploited?

We predict KEV entries!