CVE-2023-38363 IBM CICS TX information disclosure

Medium 4.3 Published 13 Nov 2023 Updated 30 Aug 2024

Attackers can steal session cookies via insecure HTTP links, potentially leading to account takeover in IBM CICS TX Advanced.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2023-38363?

CVE-2023-38363 is a medium-severity vulnerability in IBM CICS TX Advanced, published on 13 Nov 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

IBM CICS TX Advanced 10.1 does not set the secure attribute on authorization tokens or session cookies. Attackers may be able to get the cookie values by sending a http:// link to a user or by planting this link in a site the user goes to. The cookie will be sent to the insecure link and the attacker can then obtain the cookie value by snooping the traffic. IBM X-Force ID: 260818.

Which versions are affected by CVE-2023-38363?

It affects 1 product.

Products include Ibm Cics Tx.

How do I fix CVE-2023-38363?

No fix has been published for CVE-2023-38363 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-38363 being exploited?

There is no known exploitation of CVE-2023-38363 in the wild and no public exploit code.

Sources

Also known as GHSA-64hr-r24p-7wfp.