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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7.7$5k-$25k0.00

Summaryinfo

A vulnerability identified as critical has been detected in IBM DB2 9.7/10.1/10.5/11.1. Affected by this issue is some unknown functionality. The manipulation leads to link following. This vulnerability is documented as CVE-2018-1834. The attack needs to be performed locally. There is not any exploit available.

Detailsinfo

A vulnerability was found in IBM DB2 9.7/10.1/10.5/11.1 (Database Software). It has been rated as critical. This issue affects some 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. The summary by CVE is:

IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, and 11.1 contains a vulnerability that could allow a local user to escalate their privileges to root through a symbolic link attack. IBM X-Force ID: 150511.

The bug was discovered 11/05/2018. The weakness was released 11/09/2018 (Website). It is possible to read the advisory at exchange.xforce.ibmcloud.com. The identification of this vulnerability is CVE-2018-1834 since 12/13/2017. Attacking locally is a requirement. A simple authentication is required for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (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†). Entries connected to this vulnerability are available at VDB-126607, VDB-126608 and VDB-126609. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.7

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

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.4
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-2018-1834 (🔍)
GCVE (CVE): GCVE-0-2018-1834
GCVE (VulDB): GCVE-100-126611
X-Force: 150511
SecurityFocus: 105885 - IBM DB2 Multiple Privilege Escalation Vulnerabilities
SecurityTracker: 1042086

See also: 🔍

Entryinfo

Created: 11/09/2018 10:40
Updated: 06/05/2023 12:12
Changes: 11/09/2018 10:40 (61), 04/11/2020 10:52 (3), 06/05/2023 12:04 (4), 06/05/2023 12:12 (13)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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