RHSA-2006:0264-01 Critical: sendmail security update
Posted on: 03/22/2006 05:22 PM

A new update is available for Red Hat Enterprise Linux. Here the announcement:

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Red Hat Security Advisory

Synopsis: Critical: sendmail security update
Advisory ID: RHSA-2006:0264-01
Advisory URL: https://rhn.redhat.com/errata/RHSA-2006-0264.html
Issue date: 2006-03-22
Updated on: 2006-03-22
Product: Red Hat Enterprise Linux
CVE Names: CVE-2006-0058
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1. Summary:

Updated sendmail packages to fix a security issue are now available for Red
Hat Enterprise Linux 3 and 4.

This update has been rated as having critical security impact by the Red
Hat Security Response Team.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AS version 3 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Desktop version 3 - i386, x86_64
Red Hat Enterprise Linux ES version 3 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 3 - i386, ia64, x86_64
Red Hat Enterprise Linux AS version 4 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Enterprise Linux Desktop version 4 - i386, x86_64
Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 4 - i386, ia64, x86_64

3. Problem description:

Sendmail is a Mail Transport Agent (MTA) used to send mail between machines.

A flaw in the handling of asynchronous signals was discovered in Sendmail.
A remote attacker may be able to exploit a race condition to execute
arbitrary code as root. The Common Vulnerabilities and Exposures project
assigned the name CVE-2006-0058 to this issue.

By default on Red Hat Enterprise Linux 3 and 4, Sendmail is configured to
only accept connections from the local host. Therefore, only users who have
configured Sendmail to listen to remote hosts would be able to be remotely
exploited by this vulnerability.

Users of Sendmail are advised to upgrade to these erratum packages, which
contain a backported patch from the Sendmail team to correct this issue.

4. Solution:

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

This update is available via Red Hat Network. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:

up2date

This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.

5. Bug IDs fixed (http://bugzilla.redhat.com/):

184465 - CVE-2006-0058 Sendmail race condition issue


6. RPMs required:

Red Hat Enterprise Linux AS version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3AS/en/os/SRPMS/sendmail-8.12.11-4.RHEL3.4.src.rpm
7d2875e6d9a3b4ddfa54e3be67888070 sendmail-8.12.11-4.RHEL3.4.src.rpm

i386:
944e64db10b061dff22a10117c7f4a31 sendmail-8.12.11-4.RHEL3.4.i386.rpm
c8fc53343bff73624542b4ea77c2b565 sendmail-cf-8.12.11-4.RHEL3.4.i386.rpm
090525584bce022b9e04bafbefb9d71a sendmail-devel-8.12.11-4.RHEL3.4.i386.rpm
c3ea9cb0ab86047422d58447e93415fb sendmail-doc-8.12.11-4.RHEL3.4.i386.rpm

ia64:
bc6715fefbd6bd9349b8116a13127d6b sendmail-8.12.11-4.RHEL3.4.ia64.rpm
beb6de13a56f2fffdfed69ae7a050137 sendmail-cf-8.12.11-4.RHEL3.4.ia64.rpm
2ad6d475f92907b535b175a10572c897 sendmail-devel-8.12.11-4.RHEL3.4.ia64.rpm
231ea97fa236e429ecc6f7734f950025 sendmail-doc-8.12.11-4.RHEL3.4.ia64.rpm

ppc:
e548c09d3101ee937fa900dee199c207 sendmail-8.12.11-4.RHEL3.4.ppc.rpm
d4e14142aa623898b6a978e7658f036a sendmail-cf-8.12.11-4.RHEL3.4.ppc.rpm
813ba2da17685d2923796826d0720735 sendmail-devel-8.12.11-4.RHEL3.4.ppc.rpm
2dc1c320d39a5733d7e2594a38d2c681 sendmail-doc-8.12.11-4.RHEL3.4.ppc.rpm

s390:
28995c615c097f06b93566bcf7e7e620 sendmail-8.12.11-4.RHEL3.4.s390.rpm
f9f3328d6170be64beaa4f1f43cca5a4 sendmail-cf-8.12.11-4.RHEL3.4.s390.rpm
6d28c9d70fb26c3ae7916f4c20937095 sendmail-devel-8.12.11-4.RHEL3.4.s390.rpm
1f16f02650a63249180b285e98fca603 sendmail-doc-8.12.11-4.RHEL3.4.s390.rpm

s390x:
4ef7001ea500dc64f7f14d42e5ef419b sendmail-8.12.11-4.RHEL3.4.s390x.rpm
f6607a113c0efa597fdea8926c060436 sendmail-cf-8.12.11-4.RHEL3.4.s390x.rpm
65122cedf0c82b7491fcaa30bf135f63 sendmail-devel-8.12.11-4.RHEL3.4.s390x.rpm
9df7ab571f5ad111db83bf403d58ef88 sendmail-doc-8.12.11-4.RHEL3.4.s390x.rpm

x86_64:
33764d084b7cfbb9687ec3a55f6e466c sendmail-8.12.11-4.RHEL3.4.x86_64.rpm
ea1690edc3270c917b63c10b3c2b47a3 sendmail-cf-8.12.11-4.RHEL3.4.x86_64.rpm
0a5290a0b2b2c96558fa120120eb316d sendmail-devel-8.12.11-4.RHEL3.4.x86_64.rpm
48a4b96f92aea23a54b7e2740dcc8f87 sendmail-doc-8.12.11-4.RHEL3.4.x86_64.rpm

Red Hat Desktop version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3desktop/en/os/SRPMS/sendmail-8.12.11-4.RHEL3.4.src.rpm
7d2875e6d9a3b4ddfa54e3be67888070 sendmail-8.12.11-4.RHEL3.4.src.rpm

i386:
944e64db10b061dff22a10117c7f4a31 sendmail-8.12.11-4.RHEL3.4.i386.rpm
c8fc53343bff73624542b4ea77c2b565 sendmail-cf-8.12.11-4.RHEL3.4.i386.rpm
090525584bce022b9e04bafbefb9d71a sendmail-devel-8.12.11-4.RHEL3.4.i386.rpm
c3ea9cb0ab86047422d58447e93415fb sendmail-doc-8.12.11-4.RHEL3.4.i386.rpm

x86_64:
33764d084b7cfbb9687ec3a55f6e466c sendmail-8.12.11-4.RHEL3.4.x86_64.rpm
ea1690edc3270c917b63c10b3c2b47a3 sendmail-cf-8.12.11-4.RHEL3.4.x86_64.rpm
0a5290a0b2b2c96558fa120120eb316d sendmail-devel-8.12.11-4.RHEL3.4.x86_64.rpm
48a4b96f92aea23a54b7e2740dcc8f87 sendmail-doc-8.12.11-4.RHEL3.4.x86_64.rpm

Red Hat Enterprise Linux ES version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3ES/en/os/SRPMS/sendmail-8.12.11-4.RHEL3.4.src.rpm
7d2875e6d9a3b4ddfa54e3be67888070 sendmail-8.12.11-4.RHEL3.4.src.rpm

i386:
944e64db10b061dff22a10117c7f4a31 sendmail-8.12.11-4.RHEL3.4.i386.rpm
c8fc53343bff73624542b4ea77c2b565 sendmail-cf-8.12.11-4.RHEL3.4.i386.rpm
090525584bce022b9e04bafbefb9d71a sendmail-devel-8.12.11-4.RHEL3.4.i386.rpm
c3ea9cb0ab86047422d58447e93415fb sendmail-doc-8.12.11-4.RHEL3.4.i386.rpm

ia64:
bc6715fefbd6bd9349b8116a13127d6b sendmail-8.12.11-4.RHEL3.4.ia64.rpm
beb6de13a56f2fffdfed69ae7a050137 sendmail-cf-8.12.11-4.RHEL3.4.ia64.rpm
2ad6d475f92907b535b175a10572c897 sendmail-devel-8.12.11-4.RHEL3.4.ia64.rpm
231ea97fa236e429ecc6f7734f950025 sendmail-doc-8.12.11-4.RHEL3.4.ia64.rpm

x86_64:
33764d084b7cfbb9687ec3a55f6e466c sendmail-8.12.11-4.RHEL3.4.x86_64.rpm
ea1690edc3270c917b63c10b3c2b47a3 sendmail-cf-8.12.11-4.RHEL3.4.x86_64.rpm
0a5290a0b2b2c96558fa120120eb316d sendmail-devel-8.12.11-4.RHEL3.4.x86_64.rpm
48a4b96f92aea23a54b7e2740dcc8f87 sendmail-doc-8.12.11-4.RHEL3.4.x86_64.rpm

Red Hat Enterprise Linux WS version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3WS/en/os/SRPMS/sendmail-8.12.11-4.RHEL3.4.src.rpm
7d2875e6d9a3b4ddfa54e3be67888070 sendmail-8.12.11-4.RHEL3.4.src.rpm

i386:
944e64db10b061dff22a10117c7f4a31 sendmail-8.12.11-4.RHEL3.4.i386.rpm
c8fc53343bff73624542b4ea77c2b565 sendmail-cf-8.12.11-4.RHEL3.4.i386.rpm
090525584bce022b9e04bafbefb9d71a sendmail-devel-8.12.11-4.RHEL3.4.i386.rpm
c3ea9cb0ab86047422d58447e93415fb sendmail-doc-8.12.11-4.RHEL3.4.i386.rpm

ia64:
bc6715fefbd6bd9349b8116a13127d6b sendmail-8.12.11-4.RHEL3.4.ia64.rpm
beb6de13a56f2fffdfed69ae7a050137 sendmail-cf-8.12.11-4.RHEL3.4.ia64.rpm
2ad6d475f92907b535b175a10572c897 sendmail-devel-8.12.11-4.RHEL3.4.ia64.rpm
231ea97fa236e429ecc6f7734f950025 sendmail-doc-8.12.11-4.RHEL3.4.ia64.rpm

x86_64:
33764d084b7cfbb9687ec3a55f6e466c sendmail-8.12.11-4.RHEL3.4.x86_64.rpm
ea1690edc3270c917b63c10b3c2b47a3 sendmail-cf-8.12.11-4.RHEL3.4.x86_64.rpm
0a5290a0b2b2c96558fa120120eb316d sendmail-devel-8.12.11-4.RHEL3.4.x86_64.rpm
48a4b96f92aea23a54b7e2740dcc8f87 sendmail-doc-8.12.11-4.RHEL3.4.x86_64.rpm

Red Hat Enterprise Linux AS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/sendmail-8.13.1-3.RHEL4.3.src.rpm
e83dd254437bf7d4415a6be12c7a58da sendmail-8.13.1-3.RHEL4.3.src.rpm

i386:
fba1a601a1ab106f67b22030ad090c28 sendmail-8.13.1-3.RHEL4.3.i386.rpm
8ed398a86f127e08ee31b19f14deafc4 sendmail-cf-8.13.1-3.RHEL4.3.i386.rpm
dade78569735970629e880969892b9f3 sendmail-devel-8.13.1-3.RHEL4.3.i386.rpm
3e656f2c678aa19f32eaad782abada8a sendmail-doc-8.13.1-3.RHEL4.3.i386.rpm

ia64:
7b366e3fbfab8ce2a4cabff56c5dae2b sendmail-8.13.1-3.RHEL4.3.ia64.rpm
4d2625fc1981329a7a348b360c9c2209 sendmail-cf-8.13.1-3.RHEL4.3.ia64.rpm
23e84e296ce17c5a18d2dd8ed3189d7e sendmail-devel-8.13.1-3.RHEL4.3.ia64.rpm
5d4ca9a18cc0cd9148679fc8e4b9b339 sendmail-doc-8.13.1-3.RHEL4.3.ia64.rpm

ppc:
5d46ed345d357e23637ee93538c9bf6c sendmail-8.13.1-3.RHEL4.3.ppc.rpm
94419ba6a9ca2b2c5fd6c270e27a0c0a sendmail-cf-8.13.1-3.RHEL4.3.ppc.rpm
605283ccb19d98bc52c28455c4cb33ef sendmail-devel-8.13.1-3.RHEL4.3.ppc.rpm
f94dff61d5f788c40a6da60bc54f35fd sendmail-doc-8.13.1-3.RHEL4.3.ppc.rpm

s390:
c4a8cae7959a00d193e839219c451ccf sendmail-8.13.1-3.RHEL4.3.s390.rpm
de299b0e3f4fd221c13ae2112a1cc8db sendmail-cf-8.13.1-3.RHEL4.3.s390.rpm
af0b3dd5a26d1c2c375b9aa83bce4d66 sendmail-devel-8.13.1-3.RHEL4.3.s390.rpm
4839491332c2ff2fff4316655e3004b4 sendmail-doc-8.13.1-3.RHEL4.3.s390.rpm

s390x:
035e31b624879ea90785783a4565b91e sendmail-8.13.1-3.RHEL4.3.s390x.rpm
a435f54801fe106550537e35078c115e sendmail-cf-8.13.1-3.RHEL4.3.s390x.rpm
585b0b0c27f4fb729c31037f0887c375 sendmail-devel-8.13.1-3.RHEL4.3.s390x.rpm
8ba7aabd895330273240c1bcdbe295a8 sendmail-doc-8.13.1-3.RHEL4.3.s390x.rpm

x86_64:
798fc57962c9588440de9556f06fe3ab sendmail-8.13.1-3.RHEL4.3.x86_64.rpm
126a565b097fcf2d48b94e735686d083 sendmail-cf-8.13.1-3.RHEL4.3.x86_64.rpm
8d60a35991c05a6fe959a529ade0959c sendmail-devel-8.13.1-3.RHEL4.3.x86_64.rpm
0bcbe2d9682b2505c439650f693a0b6c sendmail-doc-8.13.1-3.RHEL4.3.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/sendmail-8.13.1-3.RHEL4.3.src.rpm
e83dd254437bf7d4415a6be12c7a58da sendmail-8.13.1-3.RHEL4.3.src.rpm

i386:
fba1a601a1ab106f67b22030ad090c28 sendmail-8.13.1-3.RHEL4.3.i386.rpm
8ed398a86f127e08ee31b19f14deafc4 sendmail-cf-8.13.1-3.RHEL4.3.i386.rpm
dade78569735970629e880969892b9f3 sendmail-devel-8.13.1-3.RHEL4.3.i386.rpm
3e656f2c678aa19f32eaad782abada8a sendmail-doc-8.13.1-3.RHEL4.3.i386.rpm

x86_64:
798fc57962c9588440de9556f06fe3ab sendmail-8.13.1-3.RHEL4.3.x86_64.rpm
126a565b097fcf2d48b94e735686d083 sendmail-cf-8.13.1-3.RHEL4.3.x86_64.rpm
8d60a35991c05a6fe959a529ade0959c sendmail-devel-8.13.1-3.RHEL4.3.x86_64.rpm
0bcbe2d9682b2505c439650f693a0b6c sendmail-doc-8.13.1-3.RHEL4.3.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/sendmail-8.13.1-3.RHEL4.3.src.rpm
e83dd254437bf7d4415a6be12c7a58da sendmail-8.13.1-3.RHEL4.3.src.rpm

i386:
fba1a601a1ab106f67b22030ad090c28 sendmail-8.13.1-3.RHEL4.3.i386.rpm
8ed398a86f127e08ee31b19f14deafc4 sendmail-cf-8.13.1-3.RHEL4.3.i386.rpm
dade78569735970629e880969892b9f3 sendmail-devel-8.13.1-3.RHEL4.3.i386.rpm
3e656f2c678aa19f32eaad782abada8a sendmail-doc-8.13.1-3.RHEL4.3.i386.rpm

ia64:
7b366e3fbfab8ce2a4cabff56c5dae2b sendmail-8.13.1-3.RHEL4.3.ia64.rpm
4d2625fc1981329a7a348b360c9c2209 sendmail-cf-8.13.1-3.RHEL4.3.ia64.rpm
23e84e296ce17c5a18d2dd8ed3189d7e sendmail-devel-8.13.1-3.RHEL4.3.ia64.rpm
5d4ca9a18cc0cd9148679fc8e4b9b339 sendmail-doc-8.13.1-3.RHEL4.3.ia64.rpm

x86_64:
798fc57962c9588440de9556f06fe3ab sendmail-8.13.1-3.RHEL4.3.x86_64.rpm
126a565b097fcf2d48b94e735686d083 sendmail-cf-8.13.1-3.RHEL4.3.x86_64.rpm
8d60a35991c05a6fe959a529ade0959c sendmail-devel-8.13.1-3.RHEL4.3.x86_64.rpm
0bcbe2d9682b2505c439650f693a0b6c sendmail-doc-8.13.1-3.RHEL4.3.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/sendmail-8.13.1-3.RHEL4.3.src.rpm
e83dd254437bf7d4415a6be12c7a58da sendmail-8.13.1-3.RHEL4.3.src.rpm

i386:
fba1a601a1ab106f67b22030ad090c28 sendmail-8.13.1-3.RHEL4.3.i386.rpm
8ed398a86f127e08ee31b19f14deafc4 sendmail-cf-8.13.1-3.RHEL4.3.i386.rpm
dade78569735970629e880969892b9f3 sendmail-devel-8.13.1-3.RHEL4.3.i386.rpm
3e656f2c678aa19f32eaad782abada8a sendmail-doc-8.13.1-3.RHEL4.3.i386.rpm

ia64:
7b366e3fbfab8ce2a4cabff56c5dae2b sendmail-8.13.1-3.RHEL4.3.ia64.rpm
4d2625fc1981329a7a348b360c9c2209 sendmail-cf-8.13.1-3.RHEL4.3.ia64.rpm
23e84e296ce17c5a18d2dd8ed3189d7e sendmail-devel-8.13.1-3.RHEL4.3.ia64.rpm
5d4ca9a18cc0cd9148679fc8e4b9b339 sendmail-doc-8.13.1-3.RHEL4.3.ia64.rpm

x86_64:
798fc57962c9588440de9556f06fe3ab sendmail-8.13.1-3.RHEL4.3.x86_64.rpm
126a565b097fcf2d48b94e735686d083 sendmail-cf-8.13.1-3.RHEL4.3.x86_64.rpm
8d60a35991c05a6fe959a529ade0959c sendmail-devel-8.13.1-3.RHEL4.3.x86_64.rpm
0bcbe2d9682b2505c439650f693a0b6c sendmail-doc-8.13.1-3.RHEL4.3.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://www.redhat.com/security/team/key/#package

7. References:

http://www.kb.cert.org/vuls/id/834865
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0058

8. Contact:

The Red Hat security contact is lt;secalert@redhat.comgt;. More contact
details at https://www.redhat.com/security/team/contact/

Copyright 2006 Red Hat, Inc.
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