Mangelnde Rechteprüfung in postfix
ID: | RHSA-2008:0839-01 |
Distribution: | Red Hat |
Plattformen: | Red Hat Enterprise Linux |
Datum: | Do, 14. August 2008, 22:15 |
Referenzen: | http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2936 |
Applikationen: | Postfix |
Originalnachricht |
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: postfix security update Advisory ID: RHSA-2008:0839-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2008-0839.html Issue date: 2008-08-14 CVE Names: CVE-2008-2936 ===================================================================== 1. Summary: Updated postfix packages that fix a security issue are now available for Red Hat Enterprise Linux 3, 4, and 5. This update has been rated as having moderate 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 Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64 Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64 3. Description: Postfix is a Mail Transport Agent (MTA), supporting LDAP, SMTP AUTH (SASL), and TLS. A flaw was found in the way Postfix dereferences symbolic links. If a local user has write access to a mail spool directory with no root mailbox, it may be possible for them to append arbitrary data to files that root has write permission to. (CVE-2008-2936) Red Hat would like to thank Sebastian Krahmer for responsibly disclosing this issue. All users of postfix should upgrade to these updated packages, which contain a backported patch that resolves this issue. 4. 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/FAQ_58_10188 5. Bugs fixed (http://bugzilla.redhat.com/): 456314 - CVE-2008-2936 postfix privilege escalation flaw 6. Package List: Red Hat Enterprise Linux AS version 3: Source: ftp://updates.redhat.com/enterprise/3AS/en/os/SRPMS/postfix-2.0.16-14.1.RHEL3.src.rpm i386: postfix-2.0.16-14.1.RHEL3.i386.rpm postfix-debuginfo-2.0.16-14.1.RHEL3.i386.rpm ia64: postfix-2.0.16-14.1.RHEL3.ia64.rpm postfix-debuginfo-2.0.16-14.1.RHEL3.ia64.rpm ppc: postfix-2.0.16-14.1.RHEL3.ppc.rpm postfix-debuginfo-2.0.16-14.1.RHEL3.ppc.rpm s390: postfix-2.0.16-14.1.RHEL3.s390.rpm postfix-debuginfo-2.0.16-14.1.RHEL3.s390.rpm s390x: postfix-2.0.16-14.1.RHEL3.s390x.rpm postfix-debuginfo-2.0.16-14.1.RHEL3.s390x.rpm x86_64: postfix-2.0.16-14.1.RHEL3.x86_64.rpm postfix-debuginfo-2.0.16-14.1.RHEL3.x86_64.rpm Red Hat Desktop version 3: Source: ftp://updates.redhat.com/enterprise/3desktop/en/os/SRPMS/postfix-2.0.16-14.1.RHEL3.src.rpm i386: postfix-2.0.16-14.1.RHEL3.i386.rpm postfix-debuginfo-2.0.16-14.1.RHEL3.i386.rpm x86_64: postfix-2.0.16-14.1.RHEL3.x86_64.rpm postfix-debuginfo-2.0.16-14.1.RHEL3.x86_64.rpm Red Hat Enterprise Linux ES version 3: Source: ftp://updates.redhat.com/enterprise/3ES/en/os/SRPMS/postfix-2.0.16-14.1.RHEL3.src.rpm i386: postfix-2.0.16-14.1.RHEL3.i386.rpm postfix-debuginfo-2.0.16-14.1.RHEL3.i386.rpm ia64: postfix-2.0.16-14.1.RHEL3.ia64.rpm postfix-debuginfo-2.0.16-14.1.RHEL3.ia64.rpm x86_64: postfix-2.0.16-14.1.RHEL3.x86_64.rpm postfix-debuginfo-2.0.16-14.1.RHEL3.x86_64.rpm Red Hat Enterprise Linux WS version 3: Source: ftp://updates.redhat.com/enterprise/3WS/en/os/SRPMS/postfix-2.0.16-14.1.RHEL3.src.rpm i386: postfix-2.0.16-14.1.RHEL3.i386.rpm postfix-debuginfo-2.0.16-14.1.RHEL3.i386.rpm ia64: postfix-2.0.16-14.1.RHEL3.ia64.rpm postfix-debuginfo-2.0.16-14.1.RHEL3.ia64.rpm x86_64: postfix-2.0.16-14.1.RHEL3.x86_64.rpm postfix-debuginfo-2.0.16-14.1.RHEL3.x86_64.rpm Red Hat Enterprise Linux AS version 4: Source: ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/postfix-2.2.10-1.2.1.el4_7.src.rpm i386: postfix-2.2.10-1.2.1.el4_7.i386.rpm postfix-debuginfo-2.2.10-1.2.1.el4_7.i386.rpm postfix-pflogsumm-2.2.10-1.2.1.el4_7.i386.rpm ia64: postfix-2.2.10-1.2.1.el4_7.ia64.rpm postfix-debuginfo-2.2.10-1.2.1.el4_7.ia64.rpm postfix-pflogsumm-2.2.10-1.2.1.el4_7.ia64.rpm ppc: postfix-2.2.10-1.2.1.el4_7.ppc.rpm postfix-debuginfo-2.2.10-1.2.1.el4_7.ppc.rpm postfix-pflogsumm-2.2.10-1.2.1.el4_7.ppc.rpm s390: postfix-2.2.10-1.2.1.el4_7.s390.rpm postfix-debuginfo-2.2.10-1.2.1.el4_7.s390.rpm postfix-pflogsumm-2.2.10-1.2.1.el4_7.s390.rpm s390x: postfix-2.2.10-1.2.1.el4_7.s390x.rpm postfix-debuginfo-2.2.10-1.2.1.el4_7.s390x.rpm postfix-pflogsumm-2.2.10-1.2.1.el4_7.s390x.rpm x86_64: postfix-2.2.10-1.2.1.el4_7.x86_64.rpm postfix-debuginfo-2.2.10-1.2.1.el4_7.x86_64.rpm postfix-pflogsumm-2.2.10-1.2.1.el4_7.x86_64.rpm Red Hat Enterprise Linux Desktop version 4: Source: ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/postfix-2.2.10-1.2.1.el4_7.src.rpm i386: postfix-2.2.10-1.2.1.el4_7.i386.rpm postfix-debuginfo-2.2.10-1.2.1.el4_7.i386.rpm postfix-pflogsumm-2.2.10-1.2.1.el4_7.i386.rpm x86_64: postfix-2.2.10-1.2.1.el4_7.x86_64.rpm postfix-debuginfo-2.2.10-1.2.1.el4_7.x86_64.rpm postfix-pflogsumm-2.2.10-1.2.1.el4_7.x86_64.rpm Red Hat Enterprise Linux ES version 4: Source: ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/postfix-2.2.10-1.2.1.el4_7.src.rpm i386: postfix-2.2.10-1.2.1.el4_7.i386.rpm postfix-debuginfo-2.2.10-1.2.1.el4_7.i386.rpm postfix-pflogsumm-2.2.10-1.2.1.el4_7.i386.rpm ia64: postfix-2.2.10-1.2.1.el4_7.ia64.rpm postfix-debuginfo-2.2.10-1.2.1.el4_7.ia64.rpm postfix-pflogsumm-2.2.10-1.2.1.el4_7.ia64.rpm x86_64: postfix-2.2.10-1.2.1.el4_7.x86_64.rpm postfix-debuginfo-2.2.10-1.2.1.el4_7.x86_64.rpm postfix-pflogsumm-2.2.10-1.2.1.el4_7.x86_64.rpm Red Hat Enterprise Linux WS version 4: Source: ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/postfix-2.2.10-1.2.1.el4_7.src.rpm i386: postfix-2.2.10-1.2.1.el4_7.i386.rpm postfix-debuginfo-2.2.10-1.2.1.el4_7.i386.rpm postfix-pflogsumm-2.2.10-1.2.1.el4_7.i386.rpm ia64: postfix-2.2.10-1.2.1.el4_7.ia64.rpm postfix-debuginfo-2.2.10-1.2.1.el4_7.ia64.rpm postfix-pflogsumm-2.2.10-1.2.1.el4_7.ia64.rpm x86_64: postfix-2.2.10-1.2.1.el4_7.x86_64.rpm postfix-debuginfo-2.2.10-1.2.1.el4_7.x86_64.rpm postfix-pflogsumm-2.2.10-1.2.1.el4_7.x86_64.rpm Red Hat Enterprise Linux Desktop (v. 5 client): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/postfix-2.3.3-2.1.el5_2.src.rpm i386: postfix-2.3.3-2.1.el5_2.i386.rpm postfix-debuginfo-2.3.3-2.1.el5_2.i386.rpm postfix-pflogsumm-2.3.3-2.1.el5_2.i386.rpm x86_64: postfix-2.3.3-2.1.el5_2.x86_64.rpm postfix-debuginfo-2.3.3-2.1.el5_2.x86_64.rpm postfix-pflogsumm-2.3.3-2.1.el5_2.x86_64.rpm Red Hat Enterprise Linux (v. 5 server): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/postfix-2.3.3-2.1.el5_2.src.rpm i386: postfix-2.3.3-2.1.el5_2.i386.rpm postfix-debuginfo-2.3.3-2.1.el5_2.i386.rpm postfix-pflogsumm-2.3.3-2.1.el5_2.i386.rpm ia64: postfix-2.3.3-2.1.el5_2.ia64.rpm postfix-debuginfo-2.3.3-2.1.el5_2.ia64.rpm postfix-pflogsumm-2.3.3-2.1.el5_2.ia64.rpm ppc: postfix-2.3.3-2.1.el5_2.ppc.rpm postfix-debuginfo-2.3.3-2.1.el5_2.ppc.rpm postfix-pflogsumm-2.3.3-2.1.el5_2.ppc.rpm s390x: postfix-2.3.3-2.1.el5_2.s390x.rpm postfix-debuginfo-2.3.3-2.1.el5_2.s390x.rpm postfix-pflogsumm-2.3.3-2.1.el5_2.s390x.rpm x86_64: postfix-2.3.3-2.1.el5_2.x86_64.rpm postfix-debuginfo-2.3.3-2.1.el5_2.x86_64.rpm postfix-pflogsumm-2.3.3-2.1.el5_2.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://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2936 http://www.redhat.com/security/updates/classification/#moderate 8. Contact: The Red Hat security contact is |