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AUSCERT Security Bulletin
ASB-2018.0011
A vulnerability has been identified in McAfee Web Gateway
15 January 2018
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AusCERT Security Bulletin Summary
---------------------------------
Product: McAfee Web Gateway
Operating System: Network Appliance
Impact/Access: Root Compromise -- Existing Account
Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2017-1000405
Member content until: Wednesday, February 14 2018
Reference: ESB-2017.3143.2
ESB-2017.3153
OVERVIEW
A vulnerability has been identified in McAfee Web Gateway prior to
versions 7.6.2.18, 7.7.2.8 and 7.8.0.3. [1]
IMPACT
The vendor has provided the following details regarding the
vulnerability:
"CVE-2017-1000405
A flaw was found in the patches used to fix the
'Dirty Cow' vulnerability (CVE-2016-5195). An attacker, able to run
local code, can exploit a race condition in transparent huge pages,
to modify usually read-only huge pages." [1]
MITIGATION
The vendor strongly recommends users upgrade to the latest versions
to address this issue. [1]
REFERENCES
[1] McAfee Security Bulletin - Web Gateway update fixes the Huge Dirty
Cow vulnerability (CVE-2017-1000405)
https://kc.mcafee.com/corporate/index?page=content&id=SB10222
AusCERT has made every effort to ensure that the information contained
in this document is accurate. However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.
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Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
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