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Wed, 7 Apr 2010 13:28:36 -0500 |
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Synopsis: Low: squid security and bug fix update
Issue date: 2010-03-30
CVE Names: CVE-2009-2855 CVE-2010-0308
A flaw was found in the way Squid processed certain external ACL helper
HTTP header fields that contained a delimiter that was not a comma. A
remote attacker could issue a crafted request to the Squid server,
causing excessive CPU use (up to 100%). (CVE-2009-2855)
Note: The CVE-2009-2855 issue only affected non-default configurations
that use an external ACL helper script.
A flaw was found in the way Squid handled truncated DNS replies. A
remote attacker able to send specially-crafted UDP packets to Squid's
DNS client port could trigger an assertion failure in Squid's child
process, causing that child process to exit. (CVE-2010-0308)
This update also fixes the following bugs:
* Squid's init script returns a non-zero value when trying to stop a
stopped service. This is not LSB compliant and can generate difficulties
in cluster environments. This update makes stopping LSB compliant.
(BZ#521926)
* Squid is not currently built to support MAC address filtering in ACLs.
This update includes support for MAC address filtering. (BZ#496170)
* Squid is not currently built to support Kerberos negotiate
authentication. This update enables Kerberos authentication. (BZ#516245)
* Squid does not include the port number as part of URIs it constructs
when configured as an accelerator. This results in a 403 error. This
update corrects this behavior. (BZ#538738)
* the error_map feature does not work if the same handling is set also
on the HTTP server that operates in deflate mode. This update fixes this
issue. (BZ#470843)
After installing this update, the squid service will be restarted
automatically.
SL 5.x
SRPMS:
squid-2.6.STABLE21-6.el5.src.rpm
i386:
squid-2.6.STABLE21-6.el5.i386.rpm
x86_64:
squid-2.6.STABLE21-6.el5.x86_64.rpm
-Connie Sieh
-Troy Dawson
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