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             AUSCERT External Security Bulletin Redistribution

                 ESB-2003.0674 -- Apple Security Advisory
                    APPLE-SA-2003-09-22 Mac OS X 10.2.8
                             23 September 2003

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:                OpenSSH
                        Sendmail
                        fb_realpath
                        arplookup
Publisher:              Apple
Operating System:       Mac OS X
Impact:                 Reduced Security
Access Required:        Remote
CVE Names:              CAN-2003-0466, CAN-2003-0601, CAN-2003-0518,
                        CAN-2003-0693, CAN-2003-0694, CAN-2003-0695,
                        CAN-2003-0681, CAN-2003-0682, CAN-2003-0804

Ref:                    AL-2003.17
                        AL-2003.16
                        ESB-2003.0582

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APPLE-SA-2003-09-22 Mac OS X 10.2.8

Mac OS X 10.2.8 is now available.  It contains fixes for recent
vulnerabilities in:

OpenSSH:  Mac OS X 10.2.8 contains the patches to address CVE
    CAN-2003-0693, CAN-2003-0695, and CAN-2003-0682. On Mac OS X
    versions prior to 10.2.8, the vulnerability is limited to a denial
    of service from the possibility of causing sshd to crash. Each
    login session has its own sshd, so established connections are
    preserved up to the point where system resources are exhausted by
    an attack.

    To deliver the update in a rapid and reliable manner, only the
    patches for CVE IDs listed above were applied, and not the entire
    set of patches for OpenSSH 3.7.1.  Thus, the OpenSSH version in
    Mac OS X 10.2.8, as obtained via the "ssh -V" command, is:
       OpenSSH_3.4p1+CAN-2003-0693, SSH protocols 1.5/2.0, OpenSSL
       0x0090609f

Sendmail:  Addresses CVE and CAN-2003-0681 to fix a
    buffer overflow in address parsing, as well as a potential buffer
    overflow in ruleset parsing.

fb_realpath():  Fixes CAN-2003-0466 which is an off-by-one error in
    the fb_realpath() function that may allow attackers to execute
    arbitrary code.

arplookup():  Fixes CAN-2003-0804.  The arplookup() function caches
    ARP requests for routes on a local link.  On a local subnet only,
    it is possible for an attacker to send a sufficient number of
    spoofed ARP requests which will exhaust kernel memory, leading to
    a denial of service.

Mac OS X 10.2.8 may be obtained from:

  * Software Update pane in System Preferences

  * Apple's Software Downloads web site:

    Mac OS X Client (updating from 10.2 - 10.2.5):
    http://www.info.apple.com/kbnum/n120244
    The download file is named: "MacOSXUpdateCombo10.2.8.dmg"
    Its SHA-1 digest is: 47c4e354516d7d577c57389207e4207f2b9b2ea2

    Mac OS X Client (updating from 10.2.6 - 10.2.7):
    http://www.info.apple.com/kbnum/n120245
    The download file is named: "MacOSXUpdate10.2.8.dmg"
    Its SHA-1 digest is: 2fd24114274f9a1c59b2eb492301a90234215c73

    Mac OS X Server (updating from 10.2 - 10.2.5):
    http://www.info.apple.com/kbnum/n120246
    The download file is named: "MacOSXSrvrUpdCombo10.2.8.dmg"
    Its SHA-1 digest is: d87b3e7bd5668046f22b551ccf9bb75a4139e653

    Mac OS X Server (updating from 10.2.6 - 10.2.7):
    http://www.info.apple.com/kbnum/n120247
    The download file is named: "MacOSXServerUpdate10.2.8.dmg"
    Its SHA-1 digest is: 74ce19ab7488a41328bee2ba7156489f997abe7c

Information will also be posted to the Apple Product Security web
site:
http://www.apple.com/support/security/security_updates.html

This message is signed with Apple's Product Security PGP key, and
details are available at:
http://www.apple.com/support/security/security_pgp.html

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