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Bug 275628 (CVE-2009-2425) - <net-misc/tor-0.2.0.35 and <net-misc/tor-0.2.1.16_rc: DoS, Spoofing (CVE-2009-{2425,2426})
Summary: <net-misc/tor-0.2.0.35 and <net-misc/tor-0.2.1.16_rc: DoS, Spoofing (CVE-2009...
Status: RESOLVED FIXED
Alias: CVE-2009-2425
Product: Gentoo Security
Classification: Unclassified
Component: Vulnerabilities (show other bugs)
Hardware: All Linux
: High minor (vote)
Assignee: Gentoo Security
URL: http://archives.seul.org/or/announce/...
Whiteboard: B3 [noglsa]
Keywords:
Depends on:
Blocks:
 
Reported: 2009-06-27 18:38 UTC by Alex Legler (RETIRED)
Modified: 2009-07-12 11:21 UTC (History)
2 users (show)

See Also:
Package list:
Runtime testing required: ---


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Description Alex Legler (RETIRED) archtester Gentoo Infrastructure gentoo-dev Security 2009-06-27 18:38:41 UTC
From Secunia:

1) An error exists when parsing certain malformed router descriptors and can be exploited to crash Tor via specially crafted router descriptors.

2) An error within the "connection_edge_process_relay_cell_not_open()" function in src/or/relay.c can be exploited by malicious exit relays to spoof that a client's DNS request resolves to an internal IP address.

The vulnerabilities are reported in versions prior to 0.2.0.35. Other versions may also be affected.
Comment 1 Christian Faulhammer (RETIRED) gentoo-dev 2009-06-28 13:36:59 UTC
Dear arches please stabilise 

net-misc/tor-0.2.0.35.ebuild
Target KEYWORDS="amd64 ppc ppc64 sparc x86 ~x86-fbsd

x86 already done.
Comment 2 Christian Faulhammer (RETIRED) gentoo-dev 2009-06-29 10:03:28 UTC
This also affects net-misc/tor-0.2.1.15_rc which was hard masked in the tree...now also bumped
Comment 3 Markus Meier gentoo-dev 2009-06-29 20:50:58 UTC
amd64 stable
Comment 4 Raúl Porcel (RETIRED) gentoo-dev 2009-06-30 14:12:53 UTC
sparc stable
Comment 5 Brent Baude (RETIRED) gentoo-dev 2009-06-30 21:50:43 UTC
ppc64 done
Comment 6 Stefan Behte (RETIRED) gentoo-dev Security 2009-07-10 23:34:55 UTC
CVE-2009-2425 (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-2425):
  Tor before 0.2.0.35 allows remote attackers to cause a denial of
  service (application crash) via a malformed router descriptor.

CVE-2009-2426 (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-2426):
  The connection_edge_process_relay_cell_not_open function in
  src/or/relay.c in Tor 0.2.x before 0.2.0.35 and 0.1.x before
  0.1.2.8-beta allows exit relays to have an unspecified impact by
  causing controllers to accept DNS responses that redirect to an
  internal IP address via unknown vectors.  NOTE: some of these details
  are obtained from third party information.

Comment 7 Joe Jezak (RETIRED) gentoo-dev 2009-07-12 01:04:20 UTC
Marked ppc stable, closing since we're the last arch.
Comment 8 Alex Legler (RETIRED) archtester Gentoo Infrastructure gentoo-dev Security 2009-07-12 08:25:38 UTC
(In reply to comment #7)
> Marked ppc stable, closing since we're the last arch.
>

Please don't close security bugs after stabling, thanks :)

GLSA voting: NO.
Comment 9 Stefan Behte (RETIRED) gentoo-dev Security 2009-07-12 11:21:08 UTC
NO, too. Closing.