[krbdev.mit.edu #9159] git commit

Tue Jan 28 22:24:54 2025: Request 9159 was acted upon.
 Transaction: Ticket created by [email protected]
       Queue: krb5
     Subject: git commit
       Owner: [email protected]
  Requestors: 
      Status: new
 Ticket <URL: https://krbdev.mit.edu/rt/Ticket/Display.html?id=9159 >



Prevent overflow when calculating ulog block size

In kdb_log.c:resize(), log an error and fail if the update size is
larger than the largest possible block size (2^16-1).

CVE-2025-24528:

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.

[[email protected]: edited commit message and added CVE description]

https://github.com/krb5/krb5/commit/78ceba024b64d49612375be4a12d1c066b0bfbd0
Author: Zoltan Borbely <[email protected]>
Committer: Greg Hudson <[email protected]>
Commit: 78ceba024b64d49612375be4a12d1c066b0bfbd0
Branch: master
 src/lib/kdb/kdb_log.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)