CVE-2008-1396: Plone credentials stored in session cookie

May 1, 2022 (updated September 22, 2023)

Plone CMS 3.x uses invariant data (a client username and a server secret) when calculating an HMAC-SHA1 value for an authentication cookie, which makes it easier for remote attackers to gain permanent access to an account by sniffing the network.

References

securityreason.com/securityalert/3754
www.procheckup.com/Hacking_Plone_CMS.pdf
www.securityfocus.com/archive/1/489544/100/0/threaded
exchange.xforce.ibmcloud.com/vulnerabilities/41421
github.com/advisories/GHSA-hjp5-hv33-q58g
nvd.nist.gov/vuln/detail/CVE-2008-1396

Code Behaviors & Features

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