CVE-2018-1426
IBM GSKit (IBM DB2 for Linux, UNIX and Windows 9.7, 10.1, 10.5, and 11.1) duplicates the PRNG state across fork() system calls when multiple ICC instances are loaded which could result in duplicate Session IDs and a risk of duplicate key material.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
IBM GSKit (IBM DB2 for Linux, UNIX and Windows 9.7, 10.1, 10.5, and 11.1) duplicates the PRNG state across fork() system calls when multiple ICC instances are loaded which could result in duplicate Session IDs and a risk of duplicate key material. IBM X-Force ID: 139071.
- CVSS 3.0
- 9.1 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 2.41% probability · 83th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-335
- Affected
- ibm/db2
- Source
- psirt@us.ibm.com
References
- http://www.ibm.com/support/docview.wss?uid=swg22013756Vendor Advisory
- http://www.securityfocus.com/bid/105580Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041012Third Party Advisory, VDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/139071VDB Entry, Vendor Advisory
- http://www.ibm.com/support/docview.wss?uid=swg22013756Vendor Advisory
- http://www.securityfocus.com/bid/105580Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041012Third Party Advisory, VDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/139071VDB Entry, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.