Updated cups packages that fix multiple security issues are now available for Red Hat Enterprise Linux 5.

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

[Updated 12th January 2010] The packages list in this erratum has been updated to include missing i386 packages for Red Hat Enterprise Linux Desktop and RHEL Desktop Workstation.

The Common UNIX Printing System (CUPS) provides a portable printing layer for UNIX operating systems.

A use-after-free flaw was found in the way CUPS handled references in its file descriptors-handling interface. A remote attacker could, in a specially crafted way, query for the list of current print jobs for a specific printer, leading to a denial of service (cupsd crash).
(CVE-2009-3553)

Several cross-site scripting (XSS) flaws were found in the way the CUPS web server interface processed HTML form content. If a remote attacker could trick a local user who is logged into the CUPS web interface into visiting a specially crafted HTML page, the attacker could retrieve and potentially modify confidential CUPS administration data. (CVE-2009-2820)

Red Hat would like to thank Aaron Sigel of Apple Product Security for responsibly reporting the CVE-2009-2820 issue.

Users of cups are advised to upgrade to these updated packages, which contain backported patches to correct these issues. After installing the update, the cupsd daemon will be restarted automatically.

Multiple vulnerabilities has been found and corrected in cups :

CUPS in does not properly handle (1) HTTP headers and (2) HTML templates, which allows remote attackers to conduct cross-site scripting (XSS) attacks and HTTP response splitting attacks via vectors related to (a) the product's web interface, (b) the configuration of the print system, and (c) the titles of printed jobs (CVE-2009-2820).

Use-after-free vulnerability in the abstract file-descriptor handling interface in the cupsdDoSelect function in scheduler/select.c in the scheduler in cupsd in CUPS 1.3.7 and 1.3.10 allows remote attackers to cause a denial of service (daemon crash or hang) via a client disconnection during listing of a large number of print jobs, related to improperly maintaining a reference count. NOTE: some of these details are obtained from third-party information (CVE-2009-3553).

Use-after-free vulnerability in the abstract file-descriptor handling interface in the cupsdDoSelect function in scheduler/select.c in the scheduler in cupsd in CUPS 1.3.7, 1.3.9, 1.3.10, and 1.4.1, when kqueue or epoll is used, allows remote attackers to cause a denial of service (daemon crash or hang) via a client disconnection during listing of a large number of print jobs, related to improperly maintaining a reference count. NOTE: some of these details are obtained from third-party information. NOTE: this vulnerability exists because of an incomplete fix for CVE-2009-3553 (CVE-2010-0302).

The _cupsGetlang function, as used by lppasswd.c in lppasswd in CUPS 1.2.2, 1.3.7, 1.3.9, and 1.4.1, relies on an environment variable to determine the file that provides localized message strings, which allows local users to gain privileges via a file that contains crafted localization data with format string specifiers (CVE-2010-0393).

The updated packages have been patched to correct these issues.

Update :

Packages for Mandriva Linux 2010.0 was missing with MDVSA-2010:073.
This advisory provides packages for 2010.0 as well.

The remote NewStart CGSL host, running version MAIN 6.06, has cups packages installed that are affected by multiple vulnerabilities:

  - ipp.c in cupsd in CUPS 1.4.4 and earlier does not properly allocate memory for attribute values with     invalid string data types, which allows remote attackers to cause a denial of service (use-after-free and     application crash) or possibly execute arbitrary code via a crafted IPP request. (CVE-2010-2941)

  - The Hewlett-Packard Graphics Language (HPGL) filter in CUPS before 1.3.9 allows remote attackers to     execute arbitrary code via crafted pen width and pen color opcodes that overwrite arbitrary memory.
    (CVE-2008-3641)

  - Xpdf, as used in products such as gpdf, kpdf, pdftohtml, poppler, teTeX, CUPS, libextractor, and others,     allows attackers to cause a denial of service (infinite loop) via streams that end prematurely, as     demonstrated using the (1) CCITTFaxDecode and (2) DCTDecode streams, aka Infinite CPU spins.
    (CVE-2005-3625)

  - Xpdf, as used in products such as gpdf, kpdf, pdftohtml, poppler, teTeX, CUPS, libextractor, and others,     allows attackers to cause a denial of service (crash) via a crafted FlateDecode stream that triggers a     null dereference. (CVE-2005-3626)

  - Stream.cc in Xpdf, as used in products such as gpdf, kpdf, pdftohtml, poppler, teTeX, CUPS, libextractor,     and others, allows attackers to modify memory and possibly execute arbitrary code via a DCTDecode stream     with (1) a large number of components value that is not checked by DCTStream::readBaselineSOF or     DCTStream::readProgressiveSOF, (2) a large Huffman table index value that is not checked by     DCTStream::readHuffmanTables, and (3) certain uses of the scanInfo.numComps value by     DCTStream::readScanInfo. (CVE-2005-3627)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote NewStart CGSL host, running version MAIN 6.06 (SP), has cups packages installed that are affected by multiple vulnerabilities:

  - ipp.c in cupsd in CUPS 1.4.4 and earlier does not properly allocate memory for attribute values with     invalid string data types, which allows remote attackers to cause a denial of service (use-after-free and     application crash) or possibly execute arbitrary code via a crafted IPP request. (CVE-2010-2941)

  - The Hewlett-Packard Graphics Language (HPGL) filter in CUPS before 1.3.9 allows remote attackers to     execute arbitrary code via crafted pen width and pen color opcodes that overwrite arbitrary memory.
    (CVE-2008-3641)

  - Xpdf, as used in products such as gpdf, kpdf, pdftohtml, poppler, teTeX, CUPS, libextractor, and others,     allows attackers to cause a denial of service (infinite loop) via streams that end prematurely, as     demonstrated using the (1) CCITTFaxDecode and (2) DCTDecode streams, aka Infinite CPU spins.
    (CVE-2005-3625)

  - Xpdf, as used in products such as gpdf, kpdf, pdftohtml, poppler, teTeX, CUPS, libextractor, and others,     allows attackers to cause a denial of service (crash) via a crafted FlateDecode stream that triggers a     null dereference. (CVE-2005-3626)

  - Stream.cc in Xpdf, as used in products such as gpdf, kpdf, pdftohtml, poppler, teTeX, CUPS, libextractor,     and others, allows attackers to modify memory and possibly execute arbitrary code via a DCTDecode stream     with (1) a large number of components value that is not checked by DCTStream::readBaselineSOF or     DCTStream::readProgressiveSOF, (2) a large Huffman table index value that is not checked by     DCTStream::readHuffmanTables, and (3) certain uses of the scanInfo.numComps value by     DCTStream::readScanInfo. (CVE-2005-3627)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

It was discovered that the CUPS scheduler did not properly handle certain network operations. A remote attacker could exploit this flaw and cause the CUPS server to crash, resulting in a denial of service.
This issue only affected Ubuntu 8.04 LTS, 8.10, 9.04 and 9.10.
(CVE-2009-3553, CVE-2010-0302)

Ronald Volgers discovered that the CUPS lppasswd tool could be made to load localized message strings from arbitrary files by setting an environment variable. A local attacker could exploit this with a format-string vulnerability leading to a root privilege escalation.
The default compiler options for Ubuntu 8.10, 9.04 and 9.10 should reduce this vulnerability to a denial of service. (CVE-2010-0393).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Oracle Linux 5 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2009-1595 advisory.

    - Applied patch to fix CVE-2009-3553 (bug #530111, STR #3200).

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Updated cups packages that fix one security issue are now available for Red Hat Enterprise Linux 5.

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

The Common UNIX Printing System (CUPS) provides a portable printing layer for UNIX operating systems.

It was discovered that the Red Hat Security Advisory RHSA-2009:1595 did not fully correct the use-after-free flaw in the way CUPS handled references in its file descriptors-handling interface. A remote attacker could send specially crafted queries to the CUPS server, causing it to crash. (CVE-2010-0302)

Users of cups are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. After installing the update, the cupsd daemon will be restarted automatically.

This update addresses a denial of service security issue (CVE-2010-0302) as well as fixing several other small problems: * classes.conf is now updated when a class member is deleted. * the usermode dependency has been removed. * the udev rules are now installed in the correct location. * cups-config now has no multilib conflict. * the ipp backend now clears the printer status on completion. * cupsGetNamedDest() is no longer confused by old configuration files. * the scheduler no longer treats SIGPIPE as a filter error. * the gcrypt threading patch has been reverted. * the package no longer owns filesystem-owned directories.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

New release, including fix for XSS vulnerability in web interface (CVE-2009-2820) and for improper reference counting in abstract file descriptors handling interface (CVE-2009-3553).

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update fixes a denial of service security issue (CVE-2010-0302).

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Published	Updated	Severity
42850	RHEL 5 : cups (RHSA-2009:1595)	Nessus	Red Hat Local Security Checks	11/19/2009	1/14/2021	medium
45530	Mandriva Linux Security Advisory : cups (MDVSA-2010:073-1)	Nessus	Mandriva Local Security Checks	4/15/2010	1/6/2021	medium
266283	NewStart CGSL MAIN 6.06 : cups Multiple Vulnerabilities (NS-SA-2025-0218)	Nessus	NewStart CGSL Local Security Checks	9/30/2025	9/30/2025	critical
301193	NewStart CGSL MAIN 6.06 (SP) : cups Multiple Vulnerabilities (NS-SA-2026-0005)	Nessus	NewStart CGSL Local Security Checks	3/6/2026	3/9/2026	critical
44985	Ubuntu 6.06 LTS / 8.04 LTS / 8.10 / 9.04 / 9.10 : cups, cupsys vulnerabilities (USN-906-1)	Nessus	Ubuntu Local Security Checks	3/4/2010	9/19/2019	medium
67961	Oracle Linux 5 : cups (ELSA-2009-1595)	Nessus	Oracle Linux Local Security Checks	7/12/2013	10/22/2024	high
44973	RHEL 5 : cups (RHSA-2010:0129)	Nessus	Red Hat Local Security Checks	3/4/2010	1/14/2021	medium
47293	Fedora 11 : cups-1.4.2-26.fc11 (2010-2743)	Nessus	Fedora Local Security Checks	7/1/2010	1/11/2021	medium
42936	Fedora 12 : cups-1.4.2-7.fc12 (2009-11314)	Nessus	Fedora Local Security Checks	12/1/2009	1/11/2021	medium
47324	Fedora 13 : cups-1.4.2-34.fc13 (2010-3693)	Nessus	Fedora Local Security Checks	7/1/2010	1/11/2021	medium
47327	Fedora 12 : cups-1.4.2-28.fc12 (2010-3761)	Nessus	Fedora Local Security Checks	7/1/2010	1/11/2021	medium
67076	CentOS 5 : cups (CESA-2009:1595)	Nessus	CentOS Local Security Checks	6/29/2013	1/4/2021	medium

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