IBM DB2 9.7/10.1/10.5/11.1 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in IBM DB2 9.7/10.1/10.5/11.1. The affected element is an unknown function. The manipulation leads to memory corruption. This vulnerability is referenced as CVE-2018-1923. The attack can only be performed from a local environment. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in IBM DB2 9.7/10.1/10.5/11.1 (Database Software). This issue affects an unknown code. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. 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 is affected by buffer overflow vulnerability that can potentially result in arbitrary code execution. IBM X-Force ID: 152859.

The bug was discovered 03/08/2019. The weakness was published 03/11/2019 (Website). It is possible to read the advisory at exchange.xforce.ibmcloud.com. The identification of this vulnerability is CVE-2018-1923 since 12/13/2017. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/31/2023).

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 $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 20108 (IBM DB2 Multiple Buffer Overflow Vulnerabilities (ibm10740413)).

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 107398†). Similar entries are available at VDB-131554, VDB-131557, VDB-131558 and VDB-131573. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

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

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/13/2017 🔍
03/08/2019 +450 days 🔍
03/11/2019 +3 days 🔍
03/11/2019 +0 days 🔍
03/12/2019 +1 days 🔍
07/31/2023 +1602 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: exchange.xforce.ibmcloud.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-1923 (🔍)
GCVE (CVE): GCVE-0-2018-1923
GCVE (VulDB): GCVE-100-131555
X-Force: 152859
SecurityFocus: 107398 - IBM DB2 Multiple Local Buffer Overflow Vulnerabilities

See also: 🔍

Entryinfo

Created: 03/12/2019 06:49
Updated: 07/31/2023 11:02
Changes: 03/12/2019 06:49 (62), 05/15/2020 12:13 (3), 07/31/2023 10:57 (3), 07/31/2023 11:02 (13)
Complete: 🔍
Cache ID: 216::103

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

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