IBM DB2 9.7/10.1/10.5/11.1 link following

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.0$5k-$25k0.00

Summaryinfo

A vulnerability was found in IBM DB2 9.7/10.1/10.5/11.1. It has been declared as critical. This impacts an unknown function. Such manipulation leads to link following. This vulnerability is listed as CVE-2018-1781. The attack must be carried out locally. There is no available exploit.

Detailsinfo

A vulnerability was found in IBM DB2 9.7/10.1/10.5/11.1 (Database Software) and classified as critical. Affected by this issue is some unknown processing. 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:

IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, and 11.1 could allow a local user to obtain root access by exploiting a symbolic link attack to read/write/corrupt a file that they originally did not have permission to access. IBM X-Force ID: 148804.

The bug was discovered 11/05/2018. The weakness was presented 11/09/2018 (Website). The advisory is shared for download at exchange.xforce.ibmcloud.com. This vulnerability is handled as CVE-2018-1781 since 12/13/2017. The attack needs to be approached locally. Required for exploitation is a simple authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 06/05/2023).

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $5k-$25k.

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 vulnerability database at SecurityFocus (BID 105885†). See VDB-126607, VDB-126609 and VDB-126611 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 8.0

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

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 8.4
CNA Vector (IBM Corporation): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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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 🔍
11/05/2018 +327 days 🔍
11/08/2018 +3 days 🔍
11/09/2018 +1 days 🔍
11/09/2018 +0 days 🔍
11/12/2018 +3 days 🔍
06/05/2023 +1666 days 🔍

Sourcesinfo

Vendor: ibm.com

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

CVE: CVE-2018-1781 (🔍)
GCVE (CVE): GCVE-0-2018-1781
GCVE (VulDB): GCVE-100-126608
X-Force: 148804
SecurityFocus: 105885 - IBM DB2 Multiple Privilege Escalation Vulnerabilities
SecurityTracker: 1042086

See also: 🔍

Entryinfo

Created: 11/09/2018 10:40
Updated: 06/05/2023 11:27
Changes: 11/09/2018 10:40 (61), 04/11/2020 10:33 (3), 06/05/2023 11:20 (4), 06/05/2023 11:27 (13)
Complete: 🔍
Cache ID: 216::103

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

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