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"Ettercap 8.0 - 8.1" multiple vulnerabilities



"Ettercap 8.0 - 8.1" multiple vulnerabilities

Description
------------------------------------------------------------
Twelve vulnerabilities exist on ettercap-ng which allow remote denial of
service and possible remote code execution. Specifically, the following
vulnerabilities were identified:
 
- A Length Parameter Inconsistency at ettercap 8.0 dissector_postgresql()
which may lead to remote code execution or denial of service.
- An arbitary write of zero in to any location at ettercap 8.0
dissector_postgresql
- A negative index/underflow at ettercap 8.1 dissector_dhcp() which may lead
to denial of service
- A heap overflow at ettercap 8.1 nbns_spoof() plugin which may lead to
remote code execution or denial of service.
- An unchecked return value at ettercap 8.1 mdns_spoof() plugin which may
lead to remote denial of service.
- A negative index/underflow at ettercap 8.1 dissector_TN3270
- A negative index/underflow at ettercap 8.1 dissector_gg
- A negative index/underflow at ettercap 8.1 get_decode_len()
- An incorrect cast at ettercap 8.1 dissector_radius which may lead to
remote code execution or denial of service.
- A buffer over-read at ettercap 8.1 dissector_cvs which may lead to denial
of service
- A signedness error at ettercap 8.1 dissector_cvs
- An unchecked return value at ettercap 8.1 dissector_imap which may lead to
denial of service


Researcher
------------------------------------------------------------
Nick Sampanis (n.sampanis[a t]obrela[do t]com)


Vulnerabilities
------------------------------------------------------------
Length Parameter Inconsistency CVE-2014-6395
Arbitary write CVE-2014-6396
Negative index/underflow CVE-2014-9376
Heap overflow CVE-2014-9377
Unchecked return value CVE-2014-9378
Incorrect cast CVE-2014-9379
Buffer over-read CVE-2014-9380
Signedness error CVE-2014-9381


Bugs and fixes submit date
------------------------------------------------------------
10/09/2014 and 03/11/2014

Solution - fix & patch
------------------------------------------------------------
Download the latest ettercap. Download the respective commits from github.
Soon a new version will be released but at the time there is no patched
version.

https://github.com/NickSampanis/ettercap/commit/e3abe7d7585ecc420a7cab733132
16613aadad5a
https://github.com/NickSampanis/ettercap/commit/103f16582ee88341a6a610378011
781cdc866b0c
https://github.com/NickSampanis/ettercap/commit/3f0c582826095c722ab6fbf91518
282a765a0b68
https://github.com/NickSampanis/ettercap/commit/cb7b2028dc03c628aa0a1a5130ca
41421ddebcb2
https://github.com/NickSampanis/ettercap/commit/edd337d5d4f37ab8e330c5e06734
4dd5b3f10435
https://github.com/NickSampanis/ettercap/commit/37dcfdf79e1ac6dcacd565894cd7
717aa0224164
https://github.com/NickSampanis/ettercap/commit/c2a3c99af956146570d7883e4b54
0b9d0c0a3c46
https://github.com/NickSampanis/ettercap/commit/6b196e011fa456499ed4650a3609
61a2f1323818
https://github.com/NickSampanis/ettercap/commit/31b937298c8067e6b0c3217c95ed
ceb983dfc4a2
https://github.com/NickSampanis/ettercap/commit/9e9fdc7ed1ee8eba01a5a05e000b
6c55d2a70923


Reference:
------------------------------------------------------------
https://www.obrela.com/home/security-labs/advisories/osi-advisory-osi-1402/