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[ GLSA 200904-20 ] CUPS: Multiple vulnerabilities
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PostPosted: Thu Apr 23, 2009 10:26 pm    Post subject: [ GLSA 200904-20 ] CUPS: Multiple vulnerabilities Reply with quote

Gentoo Linux Security Advisory

Title: CUPS: Multiple vulnerabilities (GLSA 200904-20)
Severity: normal
Exploitable: remote
Date: April 23, 2009
Bug(s): #263070
ID: 200904-20

Synopsis

Multiple errors in CUPS might allow for the remote execution of arbitrary code or DNS rebinding attacks.

Background

CUPS, the Common Unix Printing System, is a full-featured print server.

Affected Packages

Package: net-print/cups
Vulnerable: < 1.3.10
Unaffected: >= 1.3.10
Architectures: All supported architectures


Description

The following issues were reported in CUPS:
  • iDefense reported an integer overflow in the _cupsImageReadTIFF() function in the "imagetops" filter, leading to a heap-based buffer overflow (CVE-2009-0163).
  • Aaron Siegel of Apple Product Security reported that the CUPS web interface does not verify the content of the "Host" HTTP header properly (CVE-2009-0164).
  • Braden Thomas and Drew Yao of Apple Product Security reported that CUPS is vulnerable to CVE-2009-0146, CVE-2009-0147 and CVE-2009-0166, found earlier in xpdf and poppler.


Impact

A remote attacker might send or entice a user to send a specially crafted print job to CUPS, possibly resulting in the execution of arbitrary code with the privileges of the configured CUPS user -- by default this is "lp", or a Denial of Service. Furthermore, the web interface could be used to conduct DNS rebinding attacks.

Workaround

There is no known workaround at this time.

Resolution

All CUPS users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-print/cups-1.3.10"


References

CVE-2009-0146
CVE-2009-0147
CVE-2009-0163
CVE-2009-0164
CVE-2009-0166
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