{"id":"CVE-2014-5352","aliases":["DEBIAN-CVE-2014-5352","DLA-146-1","DSA-3153-1","EUVD-2014-5241","GHSA-vmgh-h88m-58mj","MGASA-2015-0066","RHSA-2015:0439","RHSA-2015:0794","SUSE-SU-2015:0257-1","SUSE-SU-2015:0290-1","SUSE-SU-2015:0290-2","UBUNTU-CVE-2014-5352","USN-2498-1","openSUSE-SU-2024:10004-1"],"status":"published","title":"The krb5_gss_process_context_token function in lib/gssapi/krb5/process_context_token.c in the...","description":"The krb5_gss_process_context_token function in lib/gssapi/krb5/process_context_token.c in the libgssapi_krb5 library in MIT Kerberos 5 (aka krb5) through 1.11.5, 1.12.x through 1.12.2, and 1.13.x before 1.13.1 does not properly maintain security-context handles, which allows remote authenticated users to cause a denial of service (use-after-free and double free, and daemon crash) or possibly execute arbitrary code via crafted GSSAPI traffic, as demonstrated by traffic to 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suse.com/security/cve/CVE-2015-2696","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-2697","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-2698","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8629","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8630","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8631","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-3119","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-3120","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2014-5352","description":"The krb5_gss_process_context_token function in lib/gssapi/krb5/process_context_token.c in the libgssapi_krb5 library in MIT Kerberos 5 (aka krb5) through 1.11.5, 1.12.x through 1.12.2, and 1.13.x before 1.13.1 does not properly maintain security-context handles, which allows remote authenticated users to cause a denial of service (use-after-free and double free, and daemon crash) or possibly execute arbitrary code via crafted GSSAPI traffic, as demonstrated by traffic to kadmind.","status":"published","published":"2015-02-19T11:00:00Z","modified":"2024-08-06T11:41:48.869Z","updated_at":"2026-11-02T14:33:42.219637Z"}],"euvd":[{"id":"EUVD-2014-5241","description":"The krb5_gss_process_context_token function in lib/gssapi/krb5/process_context_token.c in the libgssapi_krb5 library in MIT Kerberos 5 (aka krb5) through 1.11.5, 1.12.x through 1.12.2, and 1.13.x before 1.13.1 does not properly maintain security-context handles, which allows remote authenticated users to cause a denial of service (use-after-free and double free, and daemon crash) or possibly execute arbitrary code via crafted GSSAPI traffic, as demonstrated by traffic to kadmind.","status":"published","published":"2015-02-19T11:00:00Z","modified":"2024-08-06T11:41:48Z","updated_at":"2026-11-03T01:57:03.276706Z"}],"ghsa":[{"id":"GHSA-vmgh-h88m-58mj","title":"The krb5_gss_process_context_token function in lib/gssapi/krb5/process_context_token.c in the...","description":"The krb5_gss_process_context_token function in lib/gssapi/krb5/process_context_token.c in the libgssapi_krb5 library in MIT Kerberos 5 (aka krb5) through 1.11.5, 1.12.x through 1.12.2, and 1.13.x before 1.13.1 does not properly maintain security-context handles, which allows remote authenticated users to cause a denial of service (use-after-free and double free, and daemon crash) or possibly execute arbitrary code via crafted GSSAPI traffic, as demonstrated by traffic to kadmind.","status":"published","published":"2022-05-13T01:28:50Z","modified":"2023-02-01T05:08:03Z","updated_at":"2026-11-02T14:50:40.02829Z"}],"nvd":[{"id":"CVE-2014-5352","description":"The krb5_gss_process_context_token function in lib/gssapi/krb5/process_context_token.c in the libgssapi_krb5 library in MIT Kerberos 5 (aka krb5) through 1.11.5, 1.12.x through 1.12.2, and 1.13.x before 1.13.1 does not properly maintain security-context handles, which allows remote authenticated users to cause a denial of service (use-after-free and double free, and daemon crash) or possibly execute arbitrary code via crafted GSSAPI traffic, as demonstrated by traffic to kadmind.","status":"published","published":"2015-02-19T11:59:00.047Z","modified":"2026-06-17T00:11:25.663Z","cvss":[{"version":"2.0","score":9,"vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:02:58.385843Z"}],"osv":[{"id":"CVE-2014-5352","description":"The krb5_gss_process_context_token function in lib/gssapi/krb5/process_context_token.c in the libgssapi_krb5 library in MIT Kerberos 5 (aka krb5) through 1.11.5, 1.12.x through 1.12.2, and 1.13.x before 1.13.1 does not properly maintain security-context handles, which allows remote authenticated users to cause a denial of service (use-after-free and double free, and daemon crash) or possibly execute arbitrary code via crafted GSSAPI traffic, as demonstrated by traffic to kadmind.","status":"published","published":"2015-02-19T11:59:00Z","modified":"2026-04-16T06:20:13.82937575Z","updated_at":"2026-11-02T15:43:59.654289Z"},{"id":"DEBIAN-CVE-2014-5352","description":"The krb5_gss_process_context_token function in lib/gssapi/krb5/process_context_token.c in the libgssapi_krb5 library in MIT Kerberos 5 (aka krb5) through 1.11.5, 1.12.x through 1.12.2, and 1.13.x before 1.13.1 does not properly maintain security-context handles, which allows remote authenticated users to cause a denial of service (use-after-free and double free, and daemon crash) or possibly execute arbitrary code via crafted GSSAPI traffic, as demonstrated by traffic to kadmind.","status":"published","published":"2015-02-19T11:59:00.047Z","modified":"2026-10-23T15:47:32.506586125Z","updated_at":"2026-11-02T15:45:26.134753Z"},{"id":"DLA-146-1","title":"krb5 - security update","status":"published","published":"2015-02-06T00:00:00Z","modified":"2026-03-09T01:21:47.367608Z","updated_at":"2026-11-02T15:46:09.777694Z"},{"id":"DSA-3153-1","title":"krb5 - security update","status":"published","published":"2015-02-03T00:00:00Z","modified":"2026-03-09T01:22:45.10424Z","updated_at":"2026-11-02T15:46:15.843838Z"},{"id":"MGASA-2015-0066","title":"Updated krb5 packages fix security vulnerabilities","description":"Updated krb5 packages fix security vulnerabilities:\n\nIncorrect memory management in the libgssapi_krb5 library might result in\ndenial of service or the execution of arbitrary code (CVE-2014-5352).\n\nIncorrect memory management in kadmind's processing of XDR data might result\nin denial of service or the execution of arbitrary code (CVE-2014-9421).\n\nIncorrect processing of two-component server principals might result in\nimpersonation attacks (CVE-2014-9422).\n\nAn information leak in the libgssrpc library (CVE-2014-9423).\n","status":"published","published":"2015-02-15T15:57:20Z","modified":"2026-04-16T06:23:57.533704852Z","updated_at":"2026-11-02T15:49:39.488462Z"},{"id":"openSUSE-SU-2024:10004-1","title":"krb5-1.15-1.1 on GA media","description":"These are all security issues fixed in the krb5-1.15-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:18:07.629761Z","updated_at":"2026-11-02T16:58:33.135986Z"},{"id":"RHSA-2015:0439","title":"Red Hat Security Advisory: krb5 security, bug fix and enhancement update","status":"published","published":"2024-09-15T21:59:24Z","modified":"2026-08-05T10:03:09Z","updated_at":"2026-11-02T15:53:02.532052Z"},{"id":"RHSA-2015:0794","title":"Red Hat Security Advisory: krb5 security update","status":"published","published":"2024-09-15T22:18:40Z","modified":"2026-08-05T10:03:12Z","updated_at":"2026-11-02T15:53:03.182161Z"},{"id":"SUSE-SU-2015:0257-1","title":"Security update for krb5","description":"\nkrb5 has been updated to fix four security issues:\n\n    * CVE-2014-5352: gss_process_context_token() incorrectly frees context\n      (bsc#912002)\n    * CVE-2014-9421: kadmind doubly frees partial deserialization results\n      (bsc#912002)\n    * CVE-2014-9422: kadmind incorrectly validates server principal name\n      (bsc#912002)\n    * CVE-2014-9423: libgssrpc server applications leak uninitialized bytes\n      (bsc#912002)\n\nAdditionally, these non-security issues have been fixed:\n\n    * Winbind process hangs indefinitely without DC. (bsc#872912)\n    * Hanging winbind processes. (bsc#906557)\n\nSecurity Issues:\n\n    * CVE-2014-5352\n      \u003chttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-5352\u003e\n    * CVE-2014-9421\n      \u003chttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-9421\u003e\n    * CVE-2014-9422\n      \u003chttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-9422\u003e\n    * CVE-2014-9423\n      \u003chttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-9423\u003e\n\n","status":"published","published":"2015-02-06T09:35:09Z","modified":"2026-02-04T02:58:41.897361Z","updated_at":"2026-11-02T15:53:41.276824Z"},{"id":"SUSE-SU-2015:0290-1","title":"Security update for krb5","description":"\nMIT kerberos krb5 was updated to fix several security issues and bugs.\n\nSecurity issues fixed:\nCVE-2014-5351: The kadm5_randkey_principal_3 function in\nlib/kadm5/srv/svr_principal.c in kadmind in MIT Kerberos 5 (aka krb5)\nsent old keys in a response to a -randkey -keepold request, which allowed\nremote authenticated users to forge tickets by leveraging administrative\naccess.\n\nCVE-2014-5352: In the MIT krb5 libgssapi_krb5 library, after\ngss_process_context_token() is used to process a valid context\ndeletion token, the caller was left with a security context handle\ncontaining a dangling pointer.  Further uses of this handle would have\nresulted in use-after-free and double-free memory access violations.\nlibgssrpc server applications such as kadmind were vulnerable as they\ncan be instructed to call gss_process_context_token().\n\nCVE-2014-9421: If the MIT krb5 kadmind daemon receives invalid XDR\ndata from an authenticated user, it may have performed use-after-free and\ndouble-free memory access violations while cleaning up the partial\ndeserialization results. Other libgssrpc server applications might also\nbeen vulnerable if they contain insufficiently defensive XDR functions.\n\nCVE-2014-9422: The MIT krb5 kadmind daemon incorrectly accepted\nauthentications to two-component server principals whose first\ncomponent is a left substring of 'kadmin' or whose realm is a left\nprefix of the default realm.\n\nCVE-2014-9423: libgssrpc applications including kadmind output four or\neight bytes of uninitialized memory to the network as part of an\nunused 'handle' field in replies to clients.\n\nBugs fixed:\n- Work around replay cache creation race; (bnc#898439).\n","status":"published","published":"2015-01-21T10:07:55Z","modified":"2026-02-04T03:04:57.21208Z","updated_at":"2026-11-02T15:53:41.276824Z"},{"id":"SUSE-SU-2015:0290-2","title":"Security update for krb5","description":"\nMIT kerberos krb5 was updated to fix several security issues and bugs.\n\nSecurity issues fixed:\nCVE-2014-5351: The kadm5_randkey_principal_3 function in\nlib/kadm5/srv/svr_principal.c in kadmind in MIT Kerberos 5 (aka krb5)\nsent old keys in a response to a -randkey -keepold request, which allowed\nremote authenticated users to forge tickets by leveraging administrative\naccess.\n\nCVE-2014-5352: In the MIT krb5 libgssapi_krb5 library, after\ngss_process_context_token() is used to process a valid context\ndeletion token, the caller was left with a security context handle\ncontaining a dangling pointer.  Further uses of this handle would have\nresulted in use-after-free and double-free memory access violations.\nlibgssrpc server applications such as kadmind were vulnerable as they\ncan be instructed to call gss_process_context_token().\n\nCVE-2014-9421: If the MIT krb5 kadmind daemon receives invalid XDR\ndata from an authenticated user, it may have performed use-after-free and\ndouble-free memory access violations while cleaning up the partial\ndeserialization results. Other libgssrpc server applications might also\nbeen vulnerable if they contain insufficiently defensive XDR functions.\n\nCVE-2014-9422: The MIT krb5 kadmind daemon incorrectly accepted\nauthentications to two-component server principals whose first\ncomponent is a left substring of 'kadmin' or whose realm is a left\nprefix of the default realm.\n\nCVE-2014-9423: libgssrpc applications including kadmind output four or\neight bytes of uninitialized memory to the network as part of an\nunused 'handle' field in replies to clients.\n\nBugs fixed:\n- Work around replay cache creation race; (bnc#898439).\n","status":"published","published":"2015-01-21T10:07:55Z","modified":"2026-02-04T03:55:11.170582Z","updated_at":"2026-11-02T15:53:41.276824Z"},{"id":"UBUNTU-CVE-2014-5352","description":"The krb5_gss_process_context_token function in lib/gssapi/krb5/process_context_token.c in the libgssapi_krb5 library in MIT Kerberos 5 (aka krb5) through 1.11.5, 1.12.x through 1.12.2, and 1.13.x before 1.13.1 does not properly maintain security-context handles, which allows remote authenticated users to cause a denial of service (use-after-free and double free, and daemon crash) or possibly execute arbitrary code via crafted GSSAPI traffic, as demonstrated by traffic to kadmind.","status":"published","published":"2015-02-03T00:00:00Z","modified":"2026-04-22T09:46:26.961325Z","updated_at":"2026-11-02T15:54:09.010095Z"},{"id":"USN-2498-1","title":"krb5 vulnerabilities","description":"It was discovered that Kerberos incorrectly sent old keys in response to a\n-randkey -keepold request. An authenticated remote attacker could use this\nissue to forge tickets by leveraging administrative access. This issue\nonly affected Ubuntu 10.04 LTS, Ubuntu 12.04 LTS and Ubuntu 14.04 LTS.\n(CVE-2014-5351)\n\nIt was discovered that the libgssapi_krb5 library incorrectly processed\nsecurity context handles. A remote attacker could use this issue to cause\na denial of service, or possibly execute arbitrary code. (CVE-2014-5352)\n\nPatrik Kis discovered that Kerberos incorrectly handled LDAP queries with\nno results. An authenticated remote attacker could use this issue to cause\nthe KDC to crash, resulting in a denial of service. (CVE-2014-5353)\n\nIt was discovered that Kerberos incorrectly handled creating database\nentries for a keyless principal when using LDAP. An authenticated remote\nattacker could use this issue to cause the KDC to crash, resulting in a\ndenial of service. (CVE-2014-5354)\n\nIt was discovered that Kerberos incorrectly handled memory when processing\nXDR data. A remote attacker could use this issue to cause kadmind to crash,\nresulting in a denial of service, or possibly execute arbitrary code.\n(CVE-2014-9421)\n\nIt was discovered that Kerberos incorrectly handled two-component server\nprincipals. A remote attacker could use this issue to perform impersonation\nattacks. (CVE-2014-9422)\n\nIt was discovered that the libgssrpc library leaked uninitialized bytes. A\nremote attacker could use this issue to possibly obtain sensitive\ninformation. (CVE-2014-9423)\n","status":"published","published":"2015-02-10T20:04:14Z","modified":"2026-04-22T09:08:40.49136Z","updated_at":"2026-11-02T16:58:09.227524Z"}]}}