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@@ -1400,6 +1400,30 @@ Changes in version 0.2.4.27 - 2015-04-06
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Resolves ticket 15515.
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Resolves ticket 15515.
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+Changes in version 0.2.5.12 - 2015-04-06
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+ Tor 0.2.5.12 backports two fixes from 0.2.6.7 for security issues that
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+ could be used by an attacker to crash hidden services, or crash clients
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+ visiting hidden services. Hidden services should upgrade as soon as
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+ possible; clients should upgrade whenever packages become available.
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+
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+ This release also backports a simple improvement to make hidden
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+ services a bit less vulnerable to denial-of-service attacks.
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+
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+ o Major bugfixes (security, hidden service):
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+ - Fix an issue that would allow a malicious client to trigger an
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+ assertion failure and halt a hidden service. Fixes bug 15600;
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+ bugfix on 0.2.1.6-alpha. Reported by "disgleirio".
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+ - Fix a bug that could cause a client to crash with an assertion
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+ failure when parsing a malformed hidden service descriptor. Fixes
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+ bug 15601; bugfix on 0.2.1.5-alpha. Found by "DonnchaC".
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+
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+ o Minor features (DoS-resistance, hidden service):
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+ - Introduction points no longer allow multiple INTRODUCE1 cells to
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+ arrive on the same circuit. This should make it more expensive for
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+ attackers to overwhelm hidden services with introductions.
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+ Resolves ticket 15515.
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Changes in version 0.2.6.7 - 2015-04-06
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Changes in version 0.2.6.7 - 2015-04-06
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Tor 0.2.6.7 fixes two security issues that could be used by an
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Tor 0.2.6.7 fixes two security issues that could be used by an
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attacker to crash hidden services, or crash clients visiting hidden
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attacker to crash hidden services, or crash clients visiting hidden
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Roger Dingledine