OpenSSL up to 0.9.8 SSL_OP_MSIE_SSLV2_RSA_PADDING

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.
5.9$0-$5k0.15

Summaryinfo

A vulnerability categorized as problematic has been discovered in OpenSSL up to 0.9.8. This issue affects the function SSL_OP_MSIE_SSLV2_RSA_PADDING. Executing a manipulation can lead to an unknown weakness. This vulnerability is handled as CVE-2005-2969. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in OpenSSL up to 0.9.8 (Network Encryption Software) and classified as problematic. As an impact it is known to affect confidentiality, and integrity. CVE summarizes:

The SSL/TLS server implementation in OpenSSL 0.9.7 before 0.9.7h and 0.9.8 before 0.9.8a, when using the SSL_OP_MSIE_SSLV2_RSA_PADDING option, disables a verification step that is required for preventing protocol version rollback attacks, which allows remote attackers to force a client and server to use a weaker protocol than needed via a man-in-the-middle attack.

The bug was discovered 10/11/2005. The weakness was released 10/11/2005 by Yutaka Oiwa with AIST (Website). The advisory is available at openssl.org. This vulnerability was named CVE-2005-2969 since 09/19/2005. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1015 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 20031 (GLSA-200510-11 : OpenSSL: SSL 2.0 protocol rollback), 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 185030 (HP-UX Running OpenSSL Multiple Vulnerabilities (HPSBUX02174)).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at openssl.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (35287), Tenable (20031), SecurityFocus (BID 15647†), OSVDB (19919†) and Secunia (SA17151†). Additional details are provided at secunia.com. Entries connected to this vulnerability are available at VDB-1803, VDB-1846, VDB-1844 and VDB-1850. If you want to get best quality of vulnerability data, you may have to visit 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: 6.5
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.5
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Unknown
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 20031
Nessus Name: GLSA-200510-11 : OpenSSL: SSL 2.0 protocol rollback
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 55751
OpenVAS Name: Debian Security Advisory DSA 875-1 (openssl094)
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: 🔍

Patch: openssl.org

Timelineinfo

12/31/2002 🔍
09/19/2005 +993 days 🔍
10/11/2005 +22 days 🔍
10/11/2005 +0 days 🔍
10/11/2005 +0 days 🔍
10/11/2005 +0 days 🔍
10/12/2005 +0 days 🔍
10/18/2005 +6 days 🔍
10/19/2005 +1 days 🔍
10/27/2005 +8 days 🔍
11/30/2005 +34 days 🔍
07/12/2024 +6799 days 🔍

Sourcesinfo

Product: openssl.org

Advisory: openssl.org
Researcher: Yutaka Oiwa
Organization: AIST
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2005-2969 (🔍)
GCVE (CVE): GCVE-0-2005-2969
GCVE (VulDB): GCVE-100-1786

OVAL: 🔍

X-Force: 35287
SecurityFocus: 15647 - RETIRED: Apple Mac OS X Security Update 2005-009 Multiple Vulnerabilities
Secunia: 17151 - OpenSSL Potential SSL 2.0 Rollback Vulnerability, Less Critical
OSVDB: 19919 - OpenSSL SSL_OP_ALL SSL 2.0 Verification Weakness
SecurityTracker: 1015032
Vulnerability Center: 9438
Vupen: ADV-2005-2710

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 10/12/2005 12:04
Updated: 07/12/2024 18:57
Changes: 10/12/2005 12:04 (94), 07/04/2019 16:43 (3), 07/12/2024 18:57 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!