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TITLE:
OpenVMS Denial of Service Vulnerabilities

SECUNIA ADVISORY ID:
SA27084

VERIFY ADVISORY:
https://secunia.com/advisories/27084/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
>From remote

OPERATING SYSTEM:
OpenVMS 8.x
https://secunia.com/product/6052/

DESCRIPTION:
Some vulnerabilities have been reported in OpenVMS, which can be
exploited by malicious, local users and by malicious people to cause
a DoS (Denial of Service).

1) A boundary error exists within the NET$CSMACD.EXE image. This can
be exploited to cause a buffer overflow by issuing the "MCR MCL SHOW
CSMA-CD Port * All" command. 

2) An error exists within the SYS$EI1000.EXE and SYS$EI1000_MON.EXE
images when handling network packets. This can be exploited to crash
an affected system by sending specially crafted, overly long network
packets.

SOLUTION:
-- OpenVMS ALPHA V8.3 --
Apply VMS83A_LAN-V0200.
ftp://ftp.itrc.hp.com/openvms_patches/alpha/V8.3/

--OpenVMS for Integrity Servers V8.3--
Apply VMS83I_LAN-V0600.
ftp://ftp.itrc.hp.com/openvms_patches/i64/V8.3/

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
https://mail.openvms.org:8100/Lists/alerts/Message/582.html
https://mail.openvms.org:8100/Lists/alerts/Message/583.html

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About:
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everybody keeping their systems up to date against the latest
vulnerabilities.

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Definitions: (Criticality, Where etc.)
https://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
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Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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