04:30 Cy Schubert (cy) 

security/krb5-120: Update to 1.20.2

MFH:		2023Q3

    af1e212

17:19 Cy Schubert (cy) 

security/krb5-120: Update to 1.20.1

MFH:		2022Q4
Security:	CVE-2022-42898

    abcf942

16:37 Cy Schubert (cy) 

security/krb5-*: Address CVE-2022-42898

Topic: Vulnerabilities in PAC parsing

CVE-2022-42898: integer overflow vulnerabilities in PAC parsing

SUMMARY
=======

Three integer overflow vulnerabilities have been discovered in the MIT
krb5 library function krb5_parse_pac().

IMPACT
======

An authenticated attacker may be able to cause a KDC or kadmind
process to crash by reading beyond the bounds of allocated memory,
creating a denial of service.  A privileged attacker may similarly be
able to cause a Kerberos or GSS application service to crash.

On a 32-bit platform, an authenticated attacker may be able to cause
heap corruption in a KDC or kadmind process, possibly leading to
remote code execution.  A privileged attacker may similarly be able to
cause heap corruption in a Kerberos or GSS application service running
on a 32-bit platform.

An attacker with the privileges of a cross-realm KDC may be able to
extract secrets from a KDC process's memory by having them copied into
the PAC of a new ticket.

AFFECTED SOFTWARE
=================

Kerberos and GSS application services using krb5-1.8 or later are
affected.  kadmind in krb5-1.8 or later is affected.  The krb5-1.20
KDC is affected.  The krb5-1.8 through krb5-1.19 KDC is affected when
using the Samba or FreeIPA KDB modules.

REFERENCES
==========

This announcement is posted at:

  https://web.mit.edu/kerberos/advisories/MITKRB5-SA-2022-001.txt

This announcement and related security advisories may be found on the
MIT Kerberos security advisory page at:

        https://web.mit.edu/kerberos/advisories/index.html

The main MIT Kerberos web page is at:

        https://web.mit.edu/kerberos/index.html

CVE:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-42898

MFH:		2022Q4
Security:	CVE-2022-42898

    de40003

13:45 Cy Schubert (cy) 

security/krb5-120: Welcome new krb5 1.20

Welcome the new krb5-120 (1.20) from MIT.

krb5-118 is now deprecated and scheduled for removal a year from
now.

    d33c01d