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Red Hat Product Errata RHBA-2009:1365 - Bug Fix Advisory
Issued:
2009-09-02
Updated:
2009-09-02

RHBA-2009:1365 - Bug Fix Advisory

  • Overview
  • Updated Packages

Synopsis

mod_nss bug fix update

Type/Severity

Bug Fix Advisory

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update mod_nss package that fixes a bug in proxy handling is now
available.

Description

mod_nss provides strong cryptography for the Apache Web server via the
Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols,
using the Network Security Services (NSS) security library.

This update addresses a proxy handling bug in mod_nss. mod_nss was not
handling blocked reads properly. Rather than attempting the read again,
it failed with an "End of File" message. When used with mod_proxy in a
reverse proxy configuration, this would sometimes result in returning only
part of the remote content. (Bugzilla #484380)

mod_proxy has a single API for SSL handling, and mod_nss doesn't
register to handle SSL proxy requests if mod_ssl is loaded. In order for
mod_nss to work with mod_proxy, mod_ssl must be removed or disabled. It can
be disabled in one of two ways:

  • By removing the mod_ssl package
  • By removing or renaming /etc/httpd/conf.d/ssl.conf

Apache users requiring SSL and TLS cryptography are advised to install this
updated package.

Solution

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

This update is available via Red Hat Network. Details on how to use
the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/docs/DOC-11259

Affected Products

  • Red Hat Enterprise Linux Server 5 x86_64
  • Red Hat Enterprise Linux Server 5 ia64
  • Red Hat Enterprise Linux Server 5 i386
  • Red Hat Enterprise Linux Workstation 5 x86_64
  • Red Hat Enterprise Linux Workstation 5 i386
  • Red Hat Enterprise Linux Desktop 5 x86_64
  • Red Hat Enterprise Linux Desktop 5 i386
  • Red Hat Enterprise Linux for IBM z Systems 5 s390x
  • Red Hat Enterprise Linux for Power, big endian 5 ppc
  • Red Hat Enterprise Linux Server from RHUI 5 x86_64
  • Red Hat Enterprise Linux Server from RHUI 5 i386

Fixes

  • BZ - 484380 - SSL (reverse) proxy flaky
  • BZ - 489013 - mod_nss does not work with NSS 3.12 for pki-ra or pki-tps

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 5

SRPM
mod_nss-1.0.3-8.el5.src.rpm SHA-256: e236e7092dfb5c9b5120e33d2e316c28d4a80a58ca9d73565bfb525db5ba4f98
x86_64
mod_nss-1.0.3-8.el5.x86_64.rpm SHA-256: 414f5541f59c2ca24db8225a2f3f3174b549fada493a6d4bc5911e397c098ece
ia64
mod_nss-1.0.3-8.el5.ia64.rpm SHA-256: 770be893dc2c590b796408d3bce6863b7d847e677df47892bb9dc9caddd2a0b4
i386
mod_nss-1.0.3-8.el5.i386.rpm SHA-256: cb01066689628dfa1c7d1fecb5b6f98ddb9db85e91a666004ec40c60cb09d278

Red Hat Enterprise Linux Workstation 5

SRPM
mod_nss-1.0.3-8.el5.src.rpm SHA-256: e236e7092dfb5c9b5120e33d2e316c28d4a80a58ca9d73565bfb525db5ba4f98
x86_64
mod_nss-1.0.3-8.el5.x86_64.rpm SHA-256: 414f5541f59c2ca24db8225a2f3f3174b549fada493a6d4bc5911e397c098ece
i386
mod_nss-1.0.3-8.el5.i386.rpm SHA-256: cb01066689628dfa1c7d1fecb5b6f98ddb9db85e91a666004ec40c60cb09d278

Red Hat Enterprise Linux Desktop 5

SRPM
mod_nss-1.0.3-8.el5.src.rpm SHA-256: e236e7092dfb5c9b5120e33d2e316c28d4a80a58ca9d73565bfb525db5ba4f98
x86_64
mod_nss-1.0.3-8.el5.x86_64.rpm SHA-256: 414f5541f59c2ca24db8225a2f3f3174b549fada493a6d4bc5911e397c098ece
i386
mod_nss-1.0.3-8.el5.i386.rpm SHA-256: cb01066689628dfa1c7d1fecb5b6f98ddb9db85e91a666004ec40c60cb09d278

Red Hat Enterprise Linux for IBM z Systems 5

SRPM
mod_nss-1.0.3-8.el5.src.rpm SHA-256: e236e7092dfb5c9b5120e33d2e316c28d4a80a58ca9d73565bfb525db5ba4f98
s390x
mod_nss-1.0.3-8.el5.s390x.rpm SHA-256: 59e6bbfc28494dfd9e2363c358e8873fcd64f077c4f56a8281dfd603975e1ad5

Red Hat Enterprise Linux for Power, big endian 5

SRPM
mod_nss-1.0.3-8.el5.src.rpm SHA-256: e236e7092dfb5c9b5120e33d2e316c28d4a80a58ca9d73565bfb525db5ba4f98
ppc
mod_nss-1.0.3-8.el5.ppc.rpm SHA-256: 66d5efe5757091ec57878b7185a2f9732a718a0871f4061d17c2db759e3a4b59

Red Hat Enterprise Linux Server from RHUI 5

SRPM
mod_nss-1.0.3-8.el5.src.rpm SHA-256: e236e7092dfb5c9b5120e33d2e316c28d4a80a58ca9d73565bfb525db5ba4f98
x86_64
mod_nss-1.0.3-8.el5.x86_64.rpm SHA-256: 414f5541f59c2ca24db8225a2f3f3174b549fada493a6d4bc5911e397c098ece
i386
mod_nss-1.0.3-8.el5.i386.rpm SHA-256: cb01066689628dfa1c7d1fecb5b6f98ddb9db85e91a666004ec40c60cb09d278

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

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