IBM Informix Dynamic Server Enterprise Edition 12.1 Symbolic Link access control

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 (≈)
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CTI Interest Score
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7.3$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical has been found in IBM Informix Dynamic Server Enterprise Edition 12.1. The affected element is an unknown function of the component Symbolic Link Handler. This manipulation causes access control. This vulnerability is tracked as CVE-2018-1632. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability has been found in IBM Informix Dynamic Server Enterprise Edition 12.1 (Information Management Software) and classified as critical. Affected by this vulnerability is some unknown processing of the component Symbolic Link Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

IBM Informix Dynamic Server Enterprise Edition 12.1 could allow a local user logged in with database administrator user to gain root privileges through a symbolic link vulnerability in .infxdirs. IBM X-Force ID: 144432.

The weakness was disclosed 08/20/2019 (Website). The advisory is shared at exchange.xforce.ibmcloud.com. This vulnerability is known as CVE-2018-1632 since 12/13/2017. An attack has to be approached locally. Required for exploitation is a single authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 11/27/2023). It is expected to see the exploit prices for this product increasing in the near future.MITRE ATT&CK project uses the attack technique T1068 for this issue.

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

The entries VDB-140375, VDB-140376, VDB-140378 and VDB-140379 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.8
VulDB Temp Score: 7.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.7
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/13/2017 🔍
08/20/2019 +615 days 🔍
08/21/2019 +1 days 🔍
11/27/2023 +1559 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: exchange.xforce.ibmcloud.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-1632 (🔍)
GCVE (CVE): GCVE-0-2018-1632
GCVE (VulDB): GCVE-100-140377
X-Force: 144432

See also: 🔍

Entryinfo

Created: 08/21/2019 07:07
Updated: 11/27/2023 09:47
Changes: 08/21/2019 07:07 (41), 08/01/2020 10:15 (18), 11/27/2023 09:47 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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