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Red Hat Product Errata RHBA-2012:0877 - Bug Fix Advisory
Issued:
2012-06-20
Updated:
2012-06-20

RHBA-2012:0877 - Bug Fix Advisory

  • Overview
  • Updated Packages

Synopsis

mod_auth_kerb bug fix and enhancement update

Type/Severity

Bug Fix Advisory

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

Updated mod_auth_kerb packages that fix a bug and add an enhancement are now
available for Red Hat Enterprise Linux 6.

Description

The mod_auth_kerb package provides a module for the Apache HTTP Server designed
to provide Kerberos authentication over HTTP. The module supports the Negotiate
authentication method, which performs full Kerberos authentication based on
ticket exchanges.

These updated mod_auth_kerb packages fix the following bug:

  • Due to a bug in the handling of memory lifetime when the module was configured

to allow delegated credentials, the $KRB5CCNAME variable was lost after the
first request of an authenticated connection, causing web applications which
relied on the presence of delegated credentials to fail. The memory lifetime
handling has been fixed, allowing such web applications to access delegated
credentials. (BZ#688210)

In addition, these updated mod_auth_kerb packages provide the following
enhancement:

  • Support for "S4U2Proxy" constrained delegation has been added, which allows

mod_auth_kerb to obtain credentials on behalf of an authenticated user.
(BZ#767741)

Users are advised to upgrade to these updated mod_auth_kerb packages, which fix
this bug and add this enhancement.

Solution

Before applying this update, make sure all previously-released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/knowledge/articles/11258

Affected Products

  • Red Hat Enterprise Linux Server 6 x86_64
  • Red Hat Enterprise Linux Server 6 i386
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 i386
  • Red Hat Enterprise Linux Workstation 6 x86_64
  • Red Hat Enterprise Linux Workstation 6 i386
  • Red Hat Enterprise Linux Desktop 6 x86_64
  • Red Hat Enterprise Linux Desktop 6 i386
  • Red Hat Enterprise Linux for IBM z Systems 6 s390x
  • Red Hat Enterprise Linux for Power, big endian 6 ppc64
  • Red Hat Enterprise Linux for Scientific Computing 6 x86_64
  • Red Hat Enterprise Linux Server from RHUI 6 x86_64
  • Red Hat Enterprise Linux Server from RHUI 6 i386
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 x86_64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6 s390x

Fixes

  • BZ - 661777 - can't be rebuild in mock
  • BZ - 688210 - mod_auth_kerb using krb5passwd and keepalive and credential delegation loses delegation after first request on connection
  • BZ - 767741 - Add support for s4u2proxy

CVEs

(none)

References

(none)

Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux Server 6

SRPM
mod_auth_kerb-5.4-9.el6.src.rpm SHA-256: a594f7bd6c8e27908be4e757b010f6a39180819e26df24b746af64262bbb1e89
x86_64
mod_auth_kerb-5.4-9.el6.x86_64.rpm SHA-256: 1b0f0ded2a09410f8da59130c82ea08d8e327dbd226ef48c0230cda86a2db5c2
mod_auth_kerb-debuginfo-5.4-9.el6.x86_64.rpm SHA-256: 6e898a180cfc53caf300412697948c3386d8d8f7fecfe6daebaa0dccb45e6d05
i386
mod_auth_kerb-5.4-9.el6.i686.rpm SHA-256: 80f6a464ba7804bf78afa9efc14a1468bff9c10729f7de9dba1f4ff163285088
mod_auth_kerb-debuginfo-5.4-9.el6.i686.rpm SHA-256: c55680e5913d9681199796fd93d0c722734d9264337f12cb031b0e49dd46b756

Red Hat Enterprise Linux Server from RHUI 6

SRPM
mod_auth_kerb-5.4-9.el6.src.rpm SHA-256: a594f7bd6c8e27908be4e757b010f6a39180819e26df24b746af64262bbb1e89
x86_64
mod_auth_kerb-5.4-9.el6.x86_64.rpm SHA-256: 1b0f0ded2a09410f8da59130c82ea08d8e327dbd226ef48c0230cda86a2db5c2
mod_auth_kerb-debuginfo-5.4-9.el6.x86_64.rpm SHA-256: 6e898a180cfc53caf300412697948c3386d8d8f7fecfe6daebaa0dccb45e6d05
i386
mod_auth_kerb-5.4-9.el6.i686.rpm SHA-256: 80f6a464ba7804bf78afa9efc14a1468bff9c10729f7de9dba1f4ff163285088
mod_auth_kerb-debuginfo-5.4-9.el6.i686.rpm SHA-256: c55680e5913d9681199796fd93d0c722734d9264337f12cb031b0e49dd46b756

Red Hat Enterprise Linux Server - Extended Life Cycle Support 6

SRPM
mod_auth_kerb-5.4-9.el6.src.rpm SHA-256: a594f7bd6c8e27908be4e757b010f6a39180819e26df24b746af64262bbb1e89
x86_64
mod_auth_kerb-5.4-9.el6.x86_64.rpm SHA-256: 1b0f0ded2a09410f8da59130c82ea08d8e327dbd226ef48c0230cda86a2db5c2
mod_auth_kerb-debuginfo-5.4-9.el6.x86_64.rpm SHA-256: 6e898a180cfc53caf300412697948c3386d8d8f7fecfe6daebaa0dccb45e6d05
i386
mod_auth_kerb-5.4-9.el6.i686.rpm SHA-256: 80f6a464ba7804bf78afa9efc14a1468bff9c10729f7de9dba1f4ff163285088
mod_auth_kerb-debuginfo-5.4-9.el6.i686.rpm SHA-256: c55680e5913d9681199796fd93d0c722734d9264337f12cb031b0e49dd46b756

Red Hat Enterprise Linux Workstation 6

SRPM
mod_auth_kerb-5.4-9.el6.src.rpm SHA-256: a594f7bd6c8e27908be4e757b010f6a39180819e26df24b746af64262bbb1e89
x86_64
mod_auth_kerb-5.4-9.el6.x86_64.rpm SHA-256: 1b0f0ded2a09410f8da59130c82ea08d8e327dbd226ef48c0230cda86a2db5c2
mod_auth_kerb-debuginfo-5.4-9.el6.x86_64.rpm SHA-256: 6e898a180cfc53caf300412697948c3386d8d8f7fecfe6daebaa0dccb45e6d05
i386
mod_auth_kerb-5.4-9.el6.i686.rpm SHA-256: 80f6a464ba7804bf78afa9efc14a1468bff9c10729f7de9dba1f4ff163285088
mod_auth_kerb-debuginfo-5.4-9.el6.i686.rpm SHA-256: c55680e5913d9681199796fd93d0c722734d9264337f12cb031b0e49dd46b756

Red Hat Enterprise Linux Desktop 6

SRPM
mod_auth_kerb-5.4-9.el6.src.rpm SHA-256: a594f7bd6c8e27908be4e757b010f6a39180819e26df24b746af64262bbb1e89
x86_64
mod_auth_kerb-5.4-9.el6.x86_64.rpm SHA-256: 1b0f0ded2a09410f8da59130c82ea08d8e327dbd226ef48c0230cda86a2db5c2
mod_auth_kerb-debuginfo-5.4-9.el6.x86_64.rpm SHA-256: 6e898a180cfc53caf300412697948c3386d8d8f7fecfe6daebaa0dccb45e6d05
i386
mod_auth_kerb-5.4-9.el6.i686.rpm SHA-256: 80f6a464ba7804bf78afa9efc14a1468bff9c10729f7de9dba1f4ff163285088
mod_auth_kerb-debuginfo-5.4-9.el6.i686.rpm SHA-256: c55680e5913d9681199796fd93d0c722734d9264337f12cb031b0e49dd46b756

Red Hat Enterprise Linux for IBM z Systems 6

SRPM
mod_auth_kerb-5.4-9.el6.src.rpm SHA-256: a594f7bd6c8e27908be4e757b010f6a39180819e26df24b746af64262bbb1e89
s390x
mod_auth_kerb-5.4-9.el6.s390x.rpm SHA-256: 5ae9d28e53cc312f5e1e0293af1c261eb9fc74fe62ad1911379eec609d3de1cd
mod_auth_kerb-debuginfo-5.4-9.el6.s390x.rpm SHA-256: f5f4fb8da94ae163865932ad7e645e5817243b0202473306ad7f3182a1145e3c

Red Hat Enterprise Linux for Power, big endian 6

SRPM
mod_auth_kerb-5.4-9.el6.src.rpm SHA-256: a594f7bd6c8e27908be4e757b010f6a39180819e26df24b746af64262bbb1e89
ppc64
mod_auth_kerb-5.4-9.el6.ppc64.rpm SHA-256: 04e97941a0c8befa1da2b566ea17c8e0e6c008b656b4e486b49a9e8289b316b0
mod_auth_kerb-debuginfo-5.4-9.el6.ppc64.rpm SHA-256: e005e70b74bd1f410607257116cc7db65abf784ef3927a746efd8319b69654bf

Red Hat Enterprise Linux for Scientific Computing 6

SRPM
mod_auth_kerb-5.4-9.el6.src.rpm SHA-256: a594f7bd6c8e27908be4e757b010f6a39180819e26df24b746af64262bbb1e89
x86_64
mod_auth_kerb-5.4-9.el6.x86_64.rpm SHA-256: 1b0f0ded2a09410f8da59130c82ea08d8e327dbd226ef48c0230cda86a2db5c2
mod_auth_kerb-debuginfo-5.4-9.el6.x86_64.rpm SHA-256: 6e898a180cfc53caf300412697948c3386d8d8f7fecfe6daebaa0dccb45e6d05

Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6

SRPM
mod_auth_kerb-5.4-9.el6.src.rpm SHA-256: a594f7bd6c8e27908be4e757b010f6a39180819e26df24b746af64262bbb1e89
s390x
mod_auth_kerb-5.4-9.el6.s390x.rpm SHA-256: 5ae9d28e53cc312f5e1e0293af1c261eb9fc74fe62ad1911379eec609d3de1cd
mod_auth_kerb-debuginfo-5.4-9.el6.s390x.rpm SHA-256: f5f4fb8da94ae163865932ad7e645e5817243b0202473306ad7f3182a1145e3c

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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