krb5: NULL pointer dereference when using a ticket policy name as a password policy name

If kadmind were used with an LDAP back end for the KDC database, a remote, authenticated attacker who has the permissions to set the password policy could crash kadmind by attempting to use a named ticket policy object as a password policy for a principal...

krb5: kadmind doubly frees partial deserialization results (MITKRB5-SA-2015-001)

A double-free flaw was found in the way MIT Kerberos handled invalid External Data Representation XDR data. An authenticated user could use this flaw to crash the MIT Kerberos administration server kadmind, or other applications using Kerberos libraries, using specially crafted XDR packets...

krb5 security update

1.10.3-37 - fix for CVE-2014-5355 1193939 'krb5: unauthenticated denial of service in recvauthcommon and others' 1.10.3-36 - fix for CVE-2014-5353 1174543 'Fix LDAP misused policy name crash' 1.10.3-35 - Changelog fixes to make errata subsystem happy. 1.10.3-34 - fix for CVE-2014-5352 1179856...

Debian DLA-146-1 : krb5 security update

Multiples vulnerabilities have been found in krb5, the MIT implementation of Kerberos : CVE-2014-5352 Incorrect memory management in the libgssapikrb5 library might result in denial of service or the execution of arbitrary code. CVE-2014-9421 Incorrect memory management in kadmind's processing of...

krb5: kadmind doubly frees partial deserialization results (MITKRB5-SA-2015-001)

A double-free flaw was found in the way MIT Kerberos handled invalid External Data Representation XDR data. An authenticated user could use this flaw to crash the MIT Kerberos administration server kadmind, or other applications using Kerberos libraries, using specially crafted XDR packets...

krb5: kadmind incorrectly validates server principal name (MITKRB5-SA-2015-001)

It was found that the MIT Kerberos administration server kadmind incorrectly accepted certain authentication requests for two-component server principal names. A remote attacker able to acquire a key with a particularly named principal such as "kad/x" could use this flaw to impersonate any user t...

krb5: NULL pointer dereference when using a ticket policy name as a password policy name

If kadmind were used with an LDAP back end for the KDC database, a remote, authenticated attacker who has the permissions to set the password policy could crash kadmind by attempting to use a named ticket policy object as a password policy for a principal...

krb5: buffer overrun in kadmind with LDAP backend (MITKRB5-SA-2014-001)

A buffer overflow was found in the KADM5 administration server kadmind when it was used with an LDAP back end for the KDC database. A remote, authenticated attacker could potentially use this flaw to execute arbitrary code on the system running kadmind...

FreeBSD : krb5 1.11 -- New release/fix multiple vulnerabilities (dbf9e66c-bd50-11e4-a7ba-206a8a720317)

The MIT Kerberos team announces the availability of MIT Kerberos 5 Release 1.11.6 : Handle certain invalid RFC 1964 GSS tokens correctly to avoid invalid memory reference vulnerabilities. CVE-2014-4341 Fix memory management vulnerabilities in GSSAPI SPNEGO. CVE-2014-4343 CVE-2014-4344 Fix buffer...

krb5 1.12 -- New release/fix multiple vulnerabilities

The MIT Kerberos team announces the availability of MIT Kerberos 5 Release 1.12.3: Fix multiple vulnerabilities in the LDAP KDC back end. CVE-2014-5354 CVE-2014-5353 Fix multiple kadmind vulnerabilities, some of which are based in the gssrpc library. CVE-2014-5352 CVE-2014-5352 CVE-2014-9421...

DEBIAN-CVE-2014-9422

The checkrpcsecauth function in kadmin/server/kadmrpcsvc.c in kadmind 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 allows remote authenticated users to bypass a kadmin/ authorization check and obtain administrative access by leveraging access to a...

DEBIAN-CVE-2014-9421

The authgssapiunwrapdata function in lib/rpc/authgssapimisc.c 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 handle partial XDR deserialization, which allows remote authenticated users to cause a denial of service use-after-free and...

Double free

The authgssapiunwrapdata function in lib/rpc/authgssapimisc.c 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 handle partial XDR deserialization, which allows remote authenticated users to cause a denial of service use-after-free and...

DEBIAN-CVE-2014-5352

The krb5gssprocesscontexttoken function in lib/gssapi/krb5/processcontexttoken.c in the libgssapikrb5 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...

CVE-2014-9422

CVE-2014-9422 affects MIT Kerberos (krb5) kadmind, where the two‑component server principal check can be bypassed by remote authenticated users using a principal starting with or containing a kadmind-related string (e.g., “ka/x”). The issue stems from the check_rpcsec_auth path in kadmind, enabli...

CVE-2014-9421

The authgssapiunwrapdata function in lib/rpc/authgssapimisc.c 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 handle partial XDR deserialization, which allows remote authenticated users to cause a denial of service use-after-free and...

krb5: multiple issues

CVE-2014-5352 authenticated remote code execution: In the MIT krb5 libgssapikrb5 library, after gssprocesscontexttoken is used to process a valid context deletion token, the caller is left with a security context handle containing a dangling pointer. Further uses of this handle will result in...

Updated krb5 packages fix security vulnerabilities

Updated krb5 packages fix security vulnerabilities: Incorrect memory management in the libgssapikrb5 library might result in denial of service or the execution of arbitrary code CVE-2014-5352. Incorrect memory management in kadmind's processing of XDR data might result in denial of service or the...

openSUSE Security Update : krb5 (openSUSE-2015-128)

krb5 was updated to fix five security issues. These security issues were fixed : - CVE-2014-5351: current keys returned when randomizing the keys for a service principal bnc897874 - CVE-2014-5352: An authenticated attacker could cause a vulnerable application including kadmind to crash or to...

SuSE 11.3 Security Update : krb5 (SAT Patch Number 10282)

krb5 has been updated to fix four security issues : - gssprocesscontexttoken incorrectly frees context bsc912002. CVE-2014-5352 - kadmind doubly frees partial deserialization results bsc912002. CVE-2014-9421 - kadmind incorrectly validates server principal name bsc912002. CVE-2014-9422 - libgssrp...