Gentoo Archives: gentoo-portage-dev

From: Brian Dolbec <dolsen@g.o>
To: gentoo-portage-dev@l.g.o
Subject: Re: [gentoo-portage-dev] List moderation issue? was - Re: Portage and Updater Security
Date: Tue, 10 Mar 2015 19:53:16
Message-Id: 20150310125310.25827487.dolsen@gentoo.org
In Reply to: [gentoo-portage-dev] List moderation issue? was - Re: Portage and Updater Security by Patrick Schleizer
1 On Tue, 10 Mar 2015 17:48:58 +0000
2 Patrick Schleizer <patrick-mailinglists@××××××.org> wrote:
3
4 > Hi,
5 >
6 > I am wondering why posts by Vladimir Diaz and Justin Cappos are not
7 > visible on the gentoo-portage-dev mailing list archive.
8 >
9 > Lost in spam filter?
10 >
11 > Have you received them?
12 >
13 > Should the listmaster be contacted?
14 >
15 > Cheers,
16 > Patrick
17 >
18
19 You must be subscribed to the list in order to post. No spam filter
20 that I know of other than the above. Perhaps it's a blocking issue,
21 I've heard some domains/subdomains cause issues and/or blocked or
22 something along those lines.
23
24
25
26
27 > Vladimir Diaz:
28 > > Hi,
29 > >
30 > > I am a developer in the Secure Systems Lab at NYU. Our lab has
31 > > collaborated with popular software update systems in the open-source
32 > > community, including APT, yum, and YaST, to address security
33 > > problems. More recently, we have been working on a flexible
34 > > security framework co-developed with the Tor project that can be
35 > > easily added to software updaters to transparently solve many of
36 > > the known security flaws we have uncovered in software updaters.
37 > > We would like to work with The Portage Development Project to
38 > > better secure the Portage distribution system.
39 > >
40 > > TUF
41 > > <https://github.com/theupdateframework/tuf#a-framework-for-securing-software-update-systems>
42 > > (The Update Framework) is a library that can be added to an existing
43 > > software update system and is designed to update files in a more
44 > > secure manner. Many software updaters verify software updates with
45 > > cryptographic signatures and hash functions, but they typically
46 > > fail to protect against malicious attacks that target the metadata
47 > > and update files presented to clients. A rollback attack is one
48 > > such example, where an attacker tricks a client into installing
49 > > older files than those the client has already seen (these older
50 > > files may be vulnerable versions that have since been fixed). A
51 > > full list of attacks and weaknesses the framework is designed to
52 > > address is provided here
53 > > <https://github.com/theupdateframework/tuf/blob/develop/SECURITY.md#security> .
54 > >
55 > > Our website <http://theupdateframework.com/index.html> includes more
56 > > information about TUF, including: papers
57 > > <https://github.com/theupdateframework/tuf/tree/develop/docs/papers>
58 > > and a specification
59 > > <https://github.com/theupdateframework/tuf/blob/develop/docs/tuf-spec.txt>.
60 > > If you want to see how an existing project integrates TUF, there is
61 > > a standards track proposal
62 > > <https://github.com/pypa/interoperability-peps/blob/master/pep-0458-tuf-online-keys.rst#abstract>
63 > > to the Python community that you can review. A more rigorous
64 > > proposal that requires more administrative work on the repository,
65 > > but provides more security protections, is also available
66 > > <https://www.python.org/dev/peps/pep-0480/>.
67 > >
68 > > Thanks,
69 > > Vlad
70 > >
71 > > P.S.
72 > > There is an informational Gentoo Linux Enhancement Proposal that
73 > > references the security issues that our project addresses, but
74 > > there hasn't been much recent activity.
75 > >
76 > >
77 > > --
78 > > vladimir.v.diaz@×××××.com
79 > > PGP fingerprint = ACCF 9DCA 73B9 862F 93C5 6608 63F8 90AA 1D25 3935
80 > > --
81 > >
82 >
83 >
84
85
86
87 --
88 Brian Dolbec <dolsen>

Replies

Subject Author
Re: [gentoo-portage-dev] List moderation issue? was - Re: Portage and Updater Security Patrick Schleizer <patrick-mailinglists@××××××.org>