Content-Type: text/plain Content-Disposition: inline Content-Transfer-Encoding: binary MIME-Version: 1.0 X-Mailer: MIME-tools 5.509 (Entity 5.509) From: ghudson@mit.edu Subject: git commit Content-Length: 1048 Add PAC full checksums A paper by Tom Tervoort noted that computing the PAC privsvr checksum over only the server checksum is vulnerable to collision attacks (CVE-2022-37967). In response, Microsoft has added a second KDC checksum over the full contents of the PAC. Generate and verify full KDC checksums in PACs for service tickets. Update the t_pac.c ticket test case to use a ticket issued by a recent version of Active Directory (provided by Stefan Metzmacher). https://github.com/krb5/krb5/commit/4602a10dbe380d75d1ec00f7d34479ac9d503735 Author: Greg Hudson Commit: 4602a10dbe380d75d1ec00f7d34479ac9d503735 Branch: master doc/appdev/refs/macros/index.rst | 1 + src/include/krb5/krb5.hin | 1 + src/lib/krb5/krb/pac.c | 92 +++++++++++---------- src/lib/krb5/krb/pac_sign.c | 146 +++++++++++++++++++-------------- src/lib/krb5/krb/t_pac.c | 171 +++++++++++++++++++++++---------------- src/tests/t_authdata.py | 4 +- 6 files changed, 240 insertions(+), 175 deletions(-)