CVE-2018-1426 Weak cryptography in DB2 for Linux, UNIX and Windows

High 7.4 Published 22 Mar 2018 Updated 16 Sep 2024

IBM DB2 duplicates PRNG state across fork calls, risking duplicate session IDs and key material, potentially allowing attackers to decrypt data or bypass security.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-1426?

CVE-2018-1426 is a high-severity vulnerability in Ibm Db2, published on 22 Mar 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-335

Which versions are affected by CVE-2018-1426?

It affects 1 product.

Products include Ibm Db2.

How do I fix CVE-2018-1426?

No fix has been published for CVE-2018-1426 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-1426 being exploited?

There is no known exploitation of CVE-2018-1426 in the wild and no public exploit code.

All Ibm Db2 vulnerabilities

Sources

Also known as GHSA-x5r5-q987-6xf6.