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.
5.1	$0-$5k	0.00

A vulnerability was found in OpenSSL (Network Encryption Software) and classified as problematic. This issue affects an unknown function of the component Kerberos Ticket Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is availability. The summary by CVE is:

The SSL/TLS handshaking code in OpenSSL 0.9.7a, 0.9.7b, and 0.9.7c, when using Kerberos ciphersuites, does not properly check the length of Kerberos tickets during a handshake, which allows remote attackers to cause a denial of service (crash) via a crafted SSL/TLS handshake that causes an out-of-bounds read.

The issue has been introduced in 12/21/2001. The weakness was shared 11/23/2004 by Stephen Henson with OpenSSL (Website). It is possible to read the advisory at us-cert.gov. The identification of this vulnerability is CVE-2004-0112 since 02/02/2004. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 817 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 17750 (OpenSSL < 0.9.6m / 0.9.7d Denial of Service), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Web Servers and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 38257 (OpenSSL Denial of Service Vulnerabilities).

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 31601.

The vulnerability is also documented in the databases at X-Force (15508) and Tenable (17750). The entries 75, 300, 418 and 448 are related to this item.

Productinfo

Type

• Network Encryption Software

Name

• OpenSSL

Version

• 0.9.6-15
• 0.9.6b-3
• 0.9.6c
• 0.9.6d
• 0.9.6e
• 0.9.6f
• 0.9.6g
• 0.9.6h
• 0.9.6i
• 0.9.6j
• 0.9.6k
• 0.9.7
• 0.9.7a
• 0.9.7a-2
• 0.9.7b
• 0.9.7c

License

• open-source

Support

• end of life (old version)

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 17750
Nessus Name: OpenSSL < 0.9.6m / 0.9.7d Denial of Service
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53942
OpenVAS Name: Slackware Advisory SSA:2004-077-01 OpenSSL security update
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍

Timelineinfo

12/21/2001 🔍
02/02/2004 +773 days 🔍
03/17/2004 +44 days 🔍
03/17/2004 +0 days 🔍
03/17/2004 +0 days 🔍
03/17/2004 +0 days 🔍
03/23/2004 +6 days 🔍
11/23/2004 +245 days 🔍
11/23/2004 +0 days 🔍
01/04/2012 +2598 days 🔍
04/14/2015 +1196 days 🔍
05/20/2019 +1497 days 🔍

Sourcesinfo

Product: openssl.org

Advisory: us-cert.gov
Researcher: Stephen Henson
Organization: OpenSSL
Status: Not defined
Confirmation: 🔍

CVE: CVE-2004-0112 (🔍)
OVAL: 🔍

X-Force: 15508
Vulnerability Center: 4013 - [cisco-sa-20040317-openssl] DoS in OpenSSL with Kerberos via Crafted SSL/TLS Handshake, Low
SecurityFocus: 9899 - OpenSSL Denial of Service Vulnerabilities
Secunia: 11139 - OpenSSL SSL/TLS Handshake Denial of Service Vulnerabilities, Moderately Critical

See also: 🔍

Entryinfo

Created: 04/14/2015 13:22
Updated: 05/20/2019 16:12
Changes: 04/14/2015 13:22 (73), 05/20/2019 16:12 (11)
Complete: 🔍

Discussion

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