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Date: | Tue, 22 Sep 2009 14:25:14 -0500 |
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Synopsis: Moderate: neon security update
Issue date: 2009-09-21
CVE Names: CVE-2009-2473 CVE-2009-2474
CVE-2009-2473 neon, gnome-vfs2 embedded neon: billion laughs DoS attack
CVE-2009-2474 neon: Improper verification of x509v3 certificate with
NULL (zero) byte in certain fields
It was discovered that neon is affected by the previously published
"null prefix attack", caused by incorrect handling of NULL characters in
X.509 certificates. If an attacker is able to get a carefully-crafted
certificate signed by a trusted Certificate Authority, the attacker
could use the certificate during a man-in-the-middle attack and
potentially confuse an application using the neon library into accepting
it by mistake. (CVE-2009-2474)
A denial of service flaw was found in the neon Extensible Markup
Language (XML) parser. A remote attacker (malicious DAV server) could
provide a specially-crafted XML document that would cause excessive
memory and CPU consumption if an application using the neon XML parser
was tricked into processing it. (CVE-2009-2473)
Applications using the neon HTTP and WebDAV client library, such as
cadaver, must be restarted for this update to take effect.
SL 4.x
SRPMS:
neon-0.24.7-4.el4_8.2.src.rpm
i386:
neon-0.24.7-4.el4_8.2.i386.rpm
neon-devel-0.24.7-4.el4_8.2.i386.rpm
x86_64:
neon-0.24.7-4.el4_8.2.i386.rpm
neon-0.24.7-4.el4_8.2.x86_64.rpm
neon-devel-0.24.7-4.el4_8.2.x86_64.rpm
SL 5.x
SRPMS:
neon-0.25.5-10.el5_4.1.src.rpm
i386:
neon-0.25.5-10.el5_4.1.i386.rpm
neon-devel-0.25.5-10.el5_4.1.i386.rpm
x86_64:
neon-0.25.5-10.el5_4.1.i386.rpm
neon-devel-0.25.5-10.el5_4.1.i386.rpm
-Connie Sieh
-Troy Dawson
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