ISS X-Force Database: apple-cups-ipptag-dos(50926): Apple CUPS IPP tag denial of service

Apple CUPS IPP tag denial of service

apple-cups-ipptag-dos (50926)

Medium Risk

Description:

Apple CUPS is vulnerable to a denial of service, caused by a NULL pointer dereference error in ippReadIO(), in cups/ipp.c. By sending consecutive IPP tags, a remote attacker could exploit this vulnerability to cause the affected application to crash.

*CVSS:

Base Score:	4.3
Access Vector:	Network
Access Complexity:	Medium
Authentication:	None
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Partial

Temporal Score:	3.4
Exploitability:	Proof-of-Concept
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Denial of Service

Remedy:

For Mac OS X 10.5.7:
Upgrade to the latest version of CUPS (1.3.10 or later), available from the CUPS Web site. See References.

For other distributions:
Apply the appropriate update for your system. See References.

References:

Apple Web site: About Security Update 2009-005.
CORE-2009-0420: Apple CUPS IPP_TAG_UNSUPPORTED Handling null pointer Vulnerability .
CUPS Web site: CUPS.
ASA-2009-202: cups security update (RHSA-2009-1082)
ASA-2009-227: cups security update (RHSA-2009-1083)
BID-35169: CUPS 'cups/ipp.c' NULL Pointer Dereference Denial Of Service Vulnerability
CVE-2009-0949: The ippReadIO function in cups/ipp.c in cupsd in CUPS before 1.3.10 does not properly initialize memory for IPP request packets, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a scheduler request with two consecutive IPP_TAG_UNSUPPORTED tags.
DSA-1811: cupsys -- null ptr dereference
MDVSA-2009:281: cups
MDVSA-2009:282: cups
MDVSA-2009:282-1: cups
MDVSA-2009:283: cups
RHSA-2009-1082: Important: cups security update
RHSA-2009-1083: Important: cups security update
SA36701: Apple Mac OS X Security Update Fixes Multiple Vulnerabilities
SECTRACK ID: 1022321: CUPS IPP_TAG_UNSUPPORTED Structure Initialization Bug Lets Remote Users Deny Service
SUSE-SR:2009:012: SUSE Security Summary Report
USN-780-1: CUPS vulnerability

Platforms Affected:

Apple CUPS 1.3.6
Apple CUPS 1.3.7
Apple CUPS 1.3.8
Apple CUPS 1.3.9
Apple Mac OS X 10.4
Apple Mac OS X 10.4.11
Apple Mac OS X 10.5.7
Apple Mac OS X 10.5.8
Apple Mac OS X Server 10.4.11
Apple Mac OS X Server 10.5.8
Canonical Ubuntu 6.06 LTS
Canonical Ubuntu 8.04 LTS
Canonical Ubuntu 8.10
Debian Debian Linux 4.0
Debian Debian Linux 5.0
Easy Software Products CUPS 1.1.17
Easy Software Products CUPS 1.1.23
MandrakeSoft Mandrake Linux 2008.0 X86_64
MandrakeSoft Mandrake Linux 2008.0
MandrakeSoft Mandrake Linux Corporate Server 3.0
MandrakeSoft Mandrake Linux Corporate Server 3.0 X86_64
MandrakeSoft Mandrake Linux Corporate Server 4.0
MandrakeSoft Mandrake Linux Corporate Server 4.0 X86_64
MandrakeSoft Mandrake Multi Network Firewall 2.0
Mandriva Enterprise Server 5 X86_64
Mandriva Enterprise Server 5
Mandriva Linux 2009.0
Mandriva Linux 2009.0 X86_64
RedHat Enterprise Linux 3 Desktop
RedHat Enterprise Linux 3 AS
RedHat Enterprise Linux 3 WS
RedHat Enterprise Linux 3 ES
RedHat Enterprise Linux 4 AS
RedHat Enterprise Linux 4 Desktop
RedHat Enterprise Linux 4 ES
RedHat Enterprise Linux 4 WS
RedHat Enterprise Linux 4.8.z ES
RedHat Enterprise Linux 4.8.z AS
RedHat Enterprise Linux 5 Client
RedHat Enterprise Linux 5
RedHat Enterprise Linux 5 Client Workstation
RedHat Enterprise Linux 5.3.z EUS
RedHat Enterprise Linux Long Life 5.3

Reported:

Jun 02, 2009

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