Bug 2342798 - Prevent overflow when calculating ulog block size (CVE-2025-24528) [fedora]
Summary: Prevent overflow when calculating ulog block size (CVE-2025-24528) [fedora]
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: krb5
Version: rawhide
Hardware: Unspecified
OS: Linux
unspecified
medium
Target Milestone: ---
Assignee: Julien Rische
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-01-29 13:53 UTC by Julien Rische
Modified: 2025-01-30 22:08 UTC (History)
7 users (show)

Fixed In Version: krb5-1.21.3-5.fc42
Clone Of:
Environment:
Last Closed: 2025-01-30 22:08:04 UTC
Type: ---
Embargoed:

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System ID Private Priority Status Summary Last Updated
Red Hat Issue Tracker FREEIPA-11925 0 None None None 2025-01-29 13:53:55 UTC

Description Julien Rische 2025-01-29 13:53:24 UTC 
In MIT krb5 release 1.7 and later with incremental propagation enabled, an authenticated attacker can cause kadmind to write beyond the end of the mapped region for the iprop log file, likely causing a process crash.

Reproducible: Always
Comment 1 Fedora Update System 2025-01-29 18:50:19 UTC 
FEDORA-2025-51a9c78142 (krb5-1.21.3-5.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2025-51a9c78142
Comment 2 Fedora Update System 2025-01-30 22:08:04 UTC 
FEDORA-2025-51a9c78142 (krb5-1.21.3-5.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.
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