openCryptoki 2.4.1 link following

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.
7.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in openCryptoki 2.4.1. Impacted is an unknown function. Such manipulation leads to link following. This vulnerability is uniquely identified as CVE-2012-4455. No exploit exists.

Detailsinfo

A vulnerability was found in openCryptoki 2.4.1 and classified as critical. Affected by this issue is an unknown functionality. The manipulation with an unknown input leads to a link following vulnerability. Using CWE to declare the problem leads to CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. Impacted is confidentiality, integrity, and availability. CVE summarizes:

openCryptoki 2.4.1 allows local users to create or set world-writable permissions on arbitrary files via a symlink attack on the (1) LCK..opencryptoki or (2) LCK..opencryptoki_stdll file in /var/lock/.

The weakness was disclosed 10/10/2012 as Bug 730636 as not defined bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability is handled as CVE-2012-4455 since 08/21/2012. The exploitation is known to be difficult. The attack needs to be approached locally. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 64210 (SuSE 11.2 Security Update : openCryptoki (SAT Patch Number 7053)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165732 (SUSE Enterprise Linux Security Update for openCryptoki (SUSE-SU-2012:1705-1)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (78943), Tenable (64210), SecurityFocus (BID 55627†), Secunia (SA50702†) and Vulnerability Center (SBV-37986†). The entry VDB-62671 is pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.4
VulDB Temp Score: 7.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 64210
Nessus Name: SuSE 11.2 Security Update : openCryptoki (SAT Patch Number 7053)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: 5667edb52cd27b7e512f48f823b4bcc6b872ab15

Timelineinfo

08/21/2012 🔍
09/20/2012 +30 days 🔍
09/20/2012 +0 days 🔍
09/28/2012 +8 days 🔍
10/10/2012 +12 days 🔍
10/10/2012 +0 days 🔍
01/10/2013 +92 days 🔍
03/24/2015 +803 days 🔍
12/19/2021 +2462 days 🔍

Sourcesinfo

Advisory: Bug 730636
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-4455 (🔍)
GCVE (CVE): GCVE-0-2012-4455
GCVE (VulDB): GCVE-100-62672
X-Force: 78943
SecurityFocus: 55627 - openCryptoki Multiple Insecure File Creation Vulnerabilities
Secunia: 50702 - openCryptoki Insecure Temporary File Security Issue, Less Critical
Vulnerability Center: 37986 - openCryptoki 2.4.1 Local Arbitrary File Write via a Symlink Attack - CVE-2012-4455, Medium

See also: 🔍

Entryinfo

Created: 03/24/2015 12:22
Updated: 12/19/2021 08:02
Changes: 03/24/2015 12:22 (63), 04/23/2017 14:09 (6), 12/19/2021 07:55 (4), 12/19/2021 08:02 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!