Bug 1218211 (CVE-2023-39975) - VUL-0: CVE-2023-39975: krb5: double-free in KDC TGS processing
Summary: VUL-0: CVE-2023-39975: krb5: double-free in KDC TGS processing
Status: RESOLVED FIXED
Alias: CVE-2023-39975
Product: SUSE Security Incidents
Classification: Novell Products
Component: Incidents (show other bugs)
Version: unspecified
Hardware: Other Other
: P3 - Medium : Major
Target Milestone: ---
Assignee: Security Team bot
QA Contact: Security Team bot
URL: https://smash.suse.de/issue/375560/
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Reported: 2023-12-19 13:29 UTC by SMASH SMASH
Modified: 2024-05-27 14:40 UTC (History)
3 users (show)

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Found By: Security Response Team
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Blocker: ---
Marketing QA Status: ---
IT Deployment: ---

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Description SMASH SMASH 2023-12-19 13:29:41 UTC 
kdc/do_tgs_req.c in MIT Kerberos 5 (aka krb5) 1.21 before 1.21.2 has a double
free that is reachable if an authenticated user can trigger an
authorization-data handling failure. Incorrect data is copied from one ticket to
another.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-39975
Comment 1 Alexander Bergmann 2023-12-19 13:35:44 UTC 
This is only affecting Factory.

openSUSE:Factory  krb5  v1.21.1
Comment 2 Dirk Mueller 2023-12-20 23:21:53 UTC 
submitted for factory
Comment 3 OBSbugzilla Bot 2023-12-21 01:35:07 UTC 
This is an autogenerated message for OBS integration:
This bug (1218211) was mentioned in
https://build.opensuse.org/request/show/1134351 Factory / krb5