PT-2021-3399 · Ibm · Ibm Db2

Eddie Zhu · Published 2021-06-24 · Updated 2021-09-20 · CVE-2020-4885

Positive Technologies (AI Summary)

CVSS v3.1

4.7

Medium

Base vector

AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) version 11.5

Description The issue is caused by a race condition of a symbolic link, allowing a local user to access and change the configuration of Db2. It is also described as being due to synchronization errors when using a shared resource, which could enable an attacker to modify the DB2 configuration.

Recommendations For IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) version 11.5, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Race Condition

Link Following

Weakness Enumeration

CWE-362

CWE-59

Related Identifiers

BDU:2021-03250

CVE-2020-4885

Affected Products

Ibm Db2

References · 6

• https://osv.dev/vulnerability/CVE-2020-4885 · Vendor Advisory
• https://ibm.com/support/pages/node/6466363 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-03250 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-4885 · Security Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/190909 · Vendor Advisory
• https://security.netapp.com/advisory/ntap-20210720-0006 · Note