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Message-Id: <201405231821.s4NILJY7005612@linus.mitre.org>
Date: Fri, 23 May 2014 14:21:19 -0400 (EDT)
From: cve-assign@...re.org
To: zanchey@....gu.uwa.edu.au
Cc: cve-assign@...re.org, oss-security@...ts.openwall.com
Subject: Re: Upcoming security release of fish 2.1.1
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> http://openwall.com/lists/oss-security/2014/05/06/3
> First, we should mention that a single CVE ID cannot be used for a set
> of related issues that have different affected versions. For the
> earlier message that mentioned CVE-2014-2906 and CVE-2014-2914,
> approximately two more CVE IDs will be needed. We will send those
> later.
>> CVE-2014-2906: fish temporary file creation vulnerable to race condition
>> leading to privilege escalation
>>
>> Versions 1.23.0 to 2.1.0 (inclusive) execute code from these temporary files,
>> allowing privilege escalation to those of any user running fish, including
>> root.
>>
>> Additionally, from at least version 1.16.0 to version 2.1.0 (inclusive),
>> fish will read data using the psub function from these temporary files,
>> meaning that the input of commands used with the psub function is under the
>> control of the attacker.
This actually needs two CVE IDs because there are two affected
functions, with different sets of affected versions. (For example,
there is a psub vulnerability in version 1.22.0, but there is no
funced vulnerability in 1.22.0 because funced didn't yet exist.)
For the psub vulnerability, please continue to use CVE-2014-2906.
For the funced vulnerability, please use CVE-2014-3856.
>> fish version 2.1.1 restricts incoming connections to localhost only. At this
>> stage, users should avoid running fish_config on systems where there are
>> untrusted local users, as they are still able to connect to the fish_config
>> service and elevate their privileges to those of the user running
>> fish_config.
At present, we're not assigning an additional CVE ID for this "local
users ... elevate their privileges" issue. Our interpretation is that
you're not trying to make an announcement that 2.1.1 is a vulnerable
version. Instead, you're trying to document the machine environment on
which fish_config in 2.1.1 can be safely used (i.e., machines with
untrusted local users are not fully supported for fish_config at the
moment). If you actually wanted a CVE ID for versions 2.1.1 and
earlier, referring to the fish_config attack by local users, please
let us know.
- --
CVE assignment team, MITRE CVE Numbering Authority
M/S M300
202 Burlington Road, Bedford, MA 01730 USA
[ PGP key available through http://cve.mitre.org/cve/request_id.html ]
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