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* Revert "heimdal: CVE-2022-41916: Check for overflow in _gsskrb5_get_mech()"Cy Schubert2024-02-161-2/+0
| | | | | | | | This was already applied by ed549cb0c53f. Repored by: Gunther Nikl <gnikl@justmail.de> This reverts commit 9286d46a794f25482880d29864a8901ef6666fae.
* heimdal: Fix NULL derefCy Schubert2024-02-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | A flawed logical condition allows a malicious actor to remotely trigger a NULL pointer dereference using a crafted negTokenInit token. Upstream notes: Reported to Heimdal by Michał Kępień <michal@isc.org>. From the report: Acknowledgement --------------- This flaw was found while working on addressing ZDI-CAN-12302: ISC BIND TKEY Query Heap-based Buffer Overflow Remote Code Execution Vulnerability, which was reported to ISC by Trend Micro's Zero Day Security: CVE-2022-3116 Obtained from: upstream 7a19658c1 MFC after: 1 week
* heimdal: CVE-2022-41916: Check for overflow in _gsskrb5_get_mech()Cy Schubert2024-02-151-0/+2
| | | | | | | | | | | | | | | | | | | | Apply upstream 22749e918 to fix a buffer overflow. Upstream notes: If len_len is equal to total_len - 1 (i.e. the input consists only of a 0x60 byte and a length), the expression 'total_len - 1 - len_len - 1', used as the 'len' parameter to der_get_length(), will overflow to SIZE_MAX. Then der_get_length() will proceed to read, unconstrained, whatever data follows in memory. Add a check to ensure that doesn't happen This is similar to samba CVE-2022-3437. Reported by: emaste Security: CVE-2022-41916 Obtained from: upstream 22749e918 MFC after: 1 week
* heimdal: Fix CVE-2022-4152, signature validation errorCy Schubert2023-03-101-2/+2
| | | | | | | | | | | | | | | | When CVE-2022-3437 was fixed by changing memcmp to be a constant time and the workaround for th e compiler was to add "!=0". However the logic implmented was inverted resulting in CVE-2022-4152. Reported by: Timothy E Zingelman <zingelman _AT_ fnal.gov> MFC after: 1 day Security: CVE-2022-4152 Security: https://www.cve.org/CVERecord?id=CVE-2022-45142 Security: https://nvd.nist.gov/vuln/detail/CVE-2022-45142 Security: https://security-tracker.debian.org/tracker/CVE-2022-45142 Security: https://bugs.gentoo.org/show_bug.cgi?id=CVE-2022-45142 Security: https://bugzilla.samba.org/show_bug.cgi?id=15296 Security: https://www.openwall.com/lists/oss-security/2023/02/08/1
* heimdal: Fix multiple security vulnerabilitiesCy Schubert2022-11-1510-27/+56
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The following issues are patched: - CVE-2022-42898 PAC parse integer overflows - CVE-2022-3437 Overflows and non-constant time leaks in DES{,3} and arcfour - CVE-2021-44758 NULL dereference DoS in SPNEGO acceptors - CVE-2022-44640 Heimdal KDC: invalid free in ASN.1 codec Note that CVE-2022-44640 is a severe vulnerability, possibly a 10.0 on the Common Vulnerability Scoring System (CVSS) v3, as we believe it should be possible to get an RCE on a KDC, which means that credentials can be compromised that can be used to impersonate anyone in a realm or forest of realms. Heimdal's ASN.1 compiler generates code that allows specially crafted DER encodings of CHOICEs to invoke the wrong free function on the decoded structure upon decode error. This is known to impact the Heimdal KDC, leading to an invalid free() of an address partly or wholly under the control of the attacker, in turn leading to a potential remote code execution (RCE) vulnerability. This error affects the DER codec for all extensible CHOICE types used in Heimdal, though not all cases will be exploitable. We have not completed a thorough analysis of all the Heimdal components affected, thus the Kerberos client, the X.509 library, and other parts, may be affected as well. This bug has been in Heimdal's ASN.1 compiler since 2005, but it may only affect Heimdal 1.6 and up. It was first reported by Douglas Bagnall, though it had been found independently by the Heimdal maintainers via fuzzing a few weeks earlier. While no zero-day exploit is known, such an exploit will likely be available soon after public disclosure. - CVE-2019-14870: Validate client attributes in protocol-transition - CVE-2019-14870: Apply forwardable policy in protocol-transition - CVE-2019-14870: Always lookup impersonate client in DB Sponsored by: so (philip) Obtained from: so (philip) Tested by: philip, cy MFC after: immediately
* Update the existing heimdal implementation for OpenSSL 1.1.John Baldwin2018-10-056-68/+140
| | | | | | | | | | | | | | | | | | | | Existing work is underway to import a newer version of heimdal, but this patchset gets us to a fully working tree to enable more wide spread testing of OpenSSL 1.1 for now. I've also enabled WARNS=1 for kerberos (which is the reason for the change in libroken). Having -Werror enabled was useful during the 1.1 updates and we probably should have warnings enabled by default for kerberos anyway. This passes make tinderbox, and I have also done some very light runtime testing on amd64. Reviewed by: bjk, jkim, emaste Differential Revision: https://reviews.freebsd.org/D17276 Notes: svn path=/projects/openssl111/; revision=339198
* Apply patch from upstream Heimdal for encoding fixBenjamin Kaduk2013-12-131-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | RFC 4402 specifies the implementation of the gss_pseudo_random() function for the krb5 mechanism (and the C bindings therein). The implementation uses a PRF+ function that concatenates the output of individual krb5 pseudo-random operations produced with a counter and seed. The original implementation of this function in Heimdal incorrectly encoded the counter as a little-endian integer, but the RFC specifies the counter encoding as big-endian. The implementation initializes the counter to zero, so the first block of output (16 octets, for the modern AES enctypes 17 and 18) is unchanged. (RFC 4402 specifies that the counter should begin at 1, but both existing implementations begin with zero and it looks like the standard will be re-issued, with test vectors, to begin at zero.) This is upstream's commit f85652af868e64811f2b32b815d4198e7f9017f6, from 13 October, 2013: % Fix krb5's gss_pseudo_random() (n is big-endian) % % The first enctype RFC3961 prf output length's bytes are correct because % the little- and big-endian representations of unsigned zero are the % same. The second block of output was wrong because the counter was not % being encoded as big-endian. % % This change could break applications. But those applications would not % have been interoperating with other implementations anyways (in % particular: MIT's). Approved by: hrs (mentor, src committer) MFC after: 3 days Notes: svn path=/head/; revision=259286
* Fix gssapi/gssapi_krb5.h after Heimdal 1.5.1 import.Hiroki Sato2013-06-301-1/+1
| | | | | | | Reviewed by: dfr Notes: svn path=/head/; revision=252409
* - Update FreeBSD's Heimdal distribution to 1.5.2. This is a bugfixStanislav Sedov2012-04-081-0/+8
|\ | | | | | | | | | | | | release, which fixes a DoS issue in libkrb5. Notes: svn path=/head/; revision=234027
* | - Update FreeBSD Heimdal distribution to version 1.5.1. This also bringsStanislav Sedov2012-03-22207-6061/+20178
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | several new kerberos related libraries and applications to FreeBSD: o kgetcred(1) allows one to manually get a ticket for a particular service. o kf(1) securily forwards ticket to another host through an authenticated and encrypted stream. o kcc(1) is an umbrella program around klist(1), kswitch(1), kgetcred(1) and other user kerberos operations. klist and kswitch are just symlinks to kcc(1) now. o kswitch(1) allows you to easily switch between kerberos credentials if you're running KCM. o hxtool(1) is a certificate management tool to use with PKINIT. o string2key(1) maps a password into key. o kdigest(8) is a userland tool to access the KDC's digest interface. o kimpersonate(8) creates a "fake" ticket for a service. We also now install manpages for some lirbaries that were not installed before, libheimntlm and libhx509. - The new HEIMDAL version no longer supports Kerberos 4. All users are recommended to switch to Kerberos 5. - Weak ciphers are now disabled by default. To enable DES support (used by telnet(8)), use "allow_weak_crypto" option in krb5.conf. - libtelnet, pam_ksu and pam_krb5 are now compiled with error on warnings disabled due to the function they use (krb5_get_err_text(3)) being deprecated. I plan to work on this next. - Heimdal's KDC now require sqlite to operate. We use the bundled version and install it as libheimsqlite. If some other FreeBSD components will require it in the future we can rename it to libbsdsqlite and use for these components as well. - This is not a latest Heimdal version, the new one was released while I was working on the update. I will update it to 1.5.2 soon, as it fixes some important bugs and security issues. Notes: svn path=/head/; revision=233294
| * - Flatten the vendor heimdal tree.Stanislav Sedov2011-09-29158-36713/+0
| | | | | | | | Notes: svn path=/vendor-crypto/heimdal/dist/; revision=225864
* | Fix conflicts after heimdal-1.1 import and add build infrastructure. ImportDoug Rabson2008-05-0747-7402/+23
| | | | | | | | | | | | | | all non-style changes made by heimdal to our own libgssapi. Notes: svn path=/head/; revision=178828
* | This commit was generated by cvs2svn to compensate for changes in r178825,Doug Rabson2008-05-07113-1192/+27364
|\| | | | | | | | | | | | | which included commits to RCS files with non-trunk default branches. Notes: svn path=/head/; revision=178826
| * Vendor import of Heimdal 1.1Doug Rabson2008-05-07113-1192/+27364
| | | | | | | | Notes: svn path=/vendor-crypto/heimdal/dist/; revision=178825
* | Fix the amd64 (and presumably ia64) lib32 build by ensuring that theDoug Rabson2006-01-021-1/+2
|/ | | | | | | | | | | | heimdal GSS-API mechanism uses its own version of gssapi.h, including all the implementation-dependant pollution contained therein. This moves the file off the vendor branch, sadly. Submitted by: bz Notes: svn path=/head/; revision=153969
* Vendor import of Heimdal 0.6.3.vendor/heimdal/0.6.3Jacques Vidrine2005-02-241-123/+163
| | | | | Notes: svn path=/vendor-crypto/heimdal/dist/; revision=142403 svn path=/vendor-crypto/heimdal/0.6.3/; revision=142405; tag=vendor/heimdal/0.6.3
* Clean up the Heimdal vendor branch by removing files not included inJacques Vidrine2005-02-241-659/+0
| | | | | | | | | | | any import for several years. If memory serves, this was Suggested by: ru an awfully long time ago-- sorry for the delay! Notes: svn path=/vendor-crypto/heimdal/dist/; revision=142400
* Vendor import of Heimdal 0.6.1.Jacques Vidrine2004-04-0319-201/+1372
| | | | Notes: svn path=/vendor-crypto/heimdal/dist/; revision=127808
* Vendor import of Heimdal 0.6.Jacques Vidrine2003-10-0943-911/+2939
| | | | Notes: svn path=/vendor-crypto/heimdal/dist/; revision=120945
* Import of Heimdal 0.5.1.Jacques Vidrine2002-11-241-10/+3
| | | | | | | Approved by: re Notes: svn path=/vendor-crypto/heimdal/dist/; revision=107207
* Import of Heimdal Kerberos from KTH repository circa 2002/09/16.Jacques Vidrine2002-09-164-8/+28
| | | | Notes: svn path=/vendor-crypto/heimdal/dist/; revision=103423
* Import of Heimdal Kerberos from KTH repository circa 2002/08/29.Jacques Vidrine2002-08-3011-212/+1034
| | | | Notes: svn path=/vendor-crypto/heimdal/dist/; revision=102644
* Import of Heimdal Kerberos from KTH repository circa 2002/02/17.Jacques Vidrine2002-02-1916-338/+514
| | | | Notes: svn path=/vendor-crypto/heimdal/dist/; revision=90926
* import of heimdal 0.3fAssar Westerlund2001-06-2125-152/+438
| | | | Notes: svn path=/vendor-crypto/heimdal/dist/; revision=78527
* import of heimdal 0.3eAssar Westerlund2001-02-1326-496/+1943
| | | | Notes: svn path=/vendor-crypto/heimdal/dist/; revision=72445
* Vendor import of Heimdal 0.2ovendor/heimdal/0.2oMark Murray2000-02-248-16/+385
| | | | | Notes: svn path=/vendor-crypto/heimdal/dist/; revision=57419 svn path=/vendor-crypto/heimdal/0.2o/; revision=57421; tag=vendor/heimdal/0.2o
* Vendor import of Heimdal 0.2nvendor/heimdal/0.2nMark Murray2000-02-2410-72/+91
| | | | | Notes: svn path=/vendor-crypto/heimdal/dist/; revision=57416 svn path=/vendor-crypto/heimdal/0.2n/; revision=57418; tag=vendor/heimdal/0.2n
* Import KTH Heimdal, which will be the core of our Kerberos5.vendor/heimdal/0.2mMark Murray2000-01-0937-0/+4829
Userland to follow. Notes: svn path=/vendor-crypto/heimdal/dist/; revision=55682 svn path=/vendor-crypto/heimdal/0.2m/; revision=55684; tag=vendor/heimdal/0.2m
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