diff options
| -rw-r--r-- | CHANGES.md | 20 | ||||
| -rw-r--r-- | debian/changelog | 12 | ||||
| -rw-r--r-- | docker/Dockerfile-dhvirtualenv | 3 | ||||
| -rw-r--r-- | docs/sample_config.yaml | 17 | ||||
| -rwxr-xr-x | scripts-dev/build_debian_packages | 1 | ||||
| -rw-r--r-- | synapse/__init__.py | 2 | ||||
| -rw-r--r-- | synapse/config/repository.py | 31 | ||||
| -rw-r--r-- | synapse/python_dependencies.py | 8 | ||||
| -rw-r--r-- | synapse/util/stringutils.py | 9 |
9 files changed, 84 insertions, 19 deletions
diff --git a/CHANGES.md b/CHANGES.md index 490c2021e0..d8cfbbebef 100644 --- a/CHANGES.md +++ b/CHANGES.md @@ -1,3 +1,23 @@ +Synapse 0.99.3.2 (2019-05-03) +============================= + +Internal Changes +---------------- + +- Ensure that we have `urllib3` <1.25, to resolve incompatibility with `requests`. ([\#5135](https://github.com/matrix-org/synapse/issues/5135)) + + +Synapse 0.99.3.1 (2019-05-03) +============================= + +Security update +--------------- + +This release includes two security fixes: + +- Switch to using a cryptographically-secure random number generator for token strings, ensuring they cannot be predicted by an attacker. Thanks to @opnsec for identifying and responsibly disclosing this issue! ([\#5133](https://github.com/matrix-org/synapse/issues/5133)) +- Blacklist 0.0.0.0 and :: by default for URL previews. Thanks to @opnsec for identifying and responsibly disclosing this issue too! ([\#5134](https://github.com/matrix-org/synapse/issues/5134)) + Synapse 0.99.3 (2019-04-01) =========================== diff --git a/debian/changelog b/debian/changelog index 03df2e1c00..c25425bf26 100644 --- a/debian/changelog +++ b/debian/changelog @@ -1,3 +1,15 @@ +matrix-synapse-py3 (0.99.3.2) stable; urgency=medium + + * New synapse release 0.99.3.2. + + -- Synapse Packaging team <packages@matrix.org> Fri, 03 May 2019 18:56:20 +0100 + +matrix-synapse-py3 (0.99.3.1) stable; urgency=medium + + * New synapse release 0.99.3.1. + + -- Synapse Packaging team <packages@matrix.org> Fri, 03 May 2019 16:02:43 +0100 + matrix-synapse-py3 (0.99.3) stable; urgency=medium [ Richard van der Hoff ] diff --git a/docker/Dockerfile-dhvirtualenv b/docker/Dockerfile-dhvirtualenv index 224c92352d..3de032cf8c 100644 --- a/docker/Dockerfile-dhvirtualenv +++ b/docker/Dockerfile-dhvirtualenv @@ -55,7 +55,8 @@ RUN apt-get update -qq -o Acquire::Languages=none \ python3-pip \ python3-setuptools \ python3-venv \ - sqlite3 + sqlite3 \ + libpq-dev COPY --from=builder /dh-virtualenv_1.1-1_all.deb / diff --git a/docs/sample_config.yaml b/docs/sample_config.yaml index 4ada0fba0e..6ed75ff764 100644 --- a/docs/sample_config.yaml +++ b/docs/sample_config.yaml @@ -506,11 +506,12 @@ uploads_path: "DATADIR/uploads" # height: 600 # method: scale -# Is the preview URL API enabled? If enabled, you *must* specify -# an explicit url_preview_ip_range_blacklist of IPs that the spider is -# denied from accessing. +# Is the preview URL API enabled? # -#url_preview_enabled: false +# 'false' by default: uncomment the following to enable it (and specify a +# url_preview_ip_range_blacklist blacklist). +# +#url_preview_enabled: true # List of IP address CIDR ranges that the URL preview spider is denied # from accessing. There are no defaults: you must explicitly @@ -520,6 +521,12 @@ uploads_path: "DATADIR/uploads" # synapse to issue arbitrary GET requests to your internal services, # causing serious security issues. # +# (0.0.0.0 and :: are always blacklisted, whether or not they are explicitly +# listed here, since they correspond to unroutable addresses.) +# +# This must be specified if url_preview_enabled is set. It is recommended that +# you uncomment the following list as a starting point. +# #url_preview_ip_range_blacklist: # - '127.0.0.0/8' # - '10.0.0.0/8' @@ -530,7 +537,7 @@ uploads_path: "DATADIR/uploads" # - '::1/128' # - 'fe80::/64' # - 'fc00::/7' -# + # List of IP address CIDR ranges that the URL preview spider is allowed # to access even if they are specified in url_preview_ip_range_blacklist. # This is useful for specifying exceptions to wide-ranging blacklisted diff --git a/scripts-dev/build_debian_packages b/scripts-dev/build_debian_packages index 6b9be99060..93305ee9b1 100755 --- a/scripts-dev/build_debian_packages +++ b/scripts-dev/build_debian_packages @@ -24,6 +24,7 @@ DISTS = ( "ubuntu:xenial", "ubuntu:bionic", "ubuntu:cosmic", + "ubuntu:disco", ) DESC = '''\ diff --git a/synapse/__init__.py b/synapse/__init__.py index 6bb5a8b24d..315fa96551 100644 --- a/synapse/__init__.py +++ b/synapse/__init__.py @@ -27,4 +27,4 @@ try: except ImportError: pass -__version__ = "0.99.3" +__version__ = "0.99.3.2" diff --git a/synapse/config/repository.py b/synapse/config/repository.py index 3f34ad9b2a..fbfcecc240 100644 --- a/synapse/config/repository.py +++ b/synapse/config/repository.py @@ -186,17 +186,21 @@ class ContentRepositoryConfig(Config): except ImportError: raise ConfigError(MISSING_NETADDR) - if "url_preview_ip_range_blacklist" in config: - self.url_preview_ip_range_blacklist = IPSet( - config["url_preview_ip_range_blacklist"] - ) - else: + if "url_preview_ip_range_blacklist" not in config: raise ConfigError( "For security, you must specify an explicit target IP address " "blacklist in url_preview_ip_range_blacklist for url previewing " "to work" ) + self.url_preview_ip_range_blacklist = IPSet( + config["url_preview_ip_range_blacklist"] + ) + + # we always blacklist '0.0.0.0' and '::', which are supposed to be + # unroutable addresses. + self.url_preview_ip_range_blacklist.update(['0.0.0.0', '::']) + self.url_preview_ip_range_whitelist = IPSet( config.get("url_preview_ip_range_whitelist", ()) ) @@ -260,11 +264,12 @@ class ContentRepositoryConfig(Config): #thumbnail_sizes: %(formatted_thumbnail_sizes)s - # Is the preview URL API enabled? If enabled, you *must* specify - # an explicit url_preview_ip_range_blacklist of IPs that the spider is - # denied from accessing. + # Is the preview URL API enabled? + # + # 'false' by default: uncomment the following to enable it (and specify a + # url_preview_ip_range_blacklist blacklist). # - #url_preview_enabled: false + #url_preview_enabled: true # List of IP address CIDR ranges that the URL preview spider is denied # from accessing. There are no defaults: you must explicitly @@ -274,6 +279,12 @@ class ContentRepositoryConfig(Config): # synapse to issue arbitrary GET requests to your internal services, # causing serious security issues. # + # (0.0.0.0 and :: are always blacklisted, whether or not they are explicitly + # listed here, since they correspond to unroutable addresses.) + # + # This must be specified if url_preview_enabled is set. It is recommended that + # you uncomment the following list as a starting point. + # #url_preview_ip_range_blacklist: # - '127.0.0.0/8' # - '10.0.0.0/8' @@ -284,7 +295,7 @@ class ContentRepositoryConfig(Config): # - '::1/128' # - 'fe80::/64' # - 'fc00::/7' - # + # List of IP address CIDR ranges that the URL preview spider is allowed # to access even if they are specified in url_preview_ip_range_blacklist. # This is useful for specifying exceptions to wide-ranging blacklisted diff --git a/synapse/python_dependencies.py b/synapse/python_dependencies.py index f71e21ff4d..c75119a030 100644 --- a/synapse/python_dependencies.py +++ b/synapse/python_dependencies.py @@ -69,6 +69,14 @@ REQUIREMENTS = [ "attrs>=17.4.0", "netaddr>=0.7.18", + + # requests is a transitive dep of treq, and urlib3 is a transitive dep + # of requests, as well as of sentry-sdk. + # + # As of requests 2.21, requests does not yet support urllib3 1.25. + # (If we do not pin it here, pip will give us the latest urllib3 + # due to the dep via sentry-sdk.) + "urllib3<1.25", ] CONDITIONAL_REQUIREMENTS = { diff --git a/synapse/util/stringutils.py b/synapse/util/stringutils.py index fdcb375f95..69dffd8244 100644 --- a/synapse/util/stringutils.py +++ b/synapse/util/stringutils.py @@ -24,14 +24,19 @@ _string_with_symbols = ( string.digits + string.ascii_letters + ".,;:^&*-_+=#~@" ) +# random_string and random_string_with_symbols are used for a range of things, +# some cryptographically important, some less so. We use SystemRandom to make sure +# we get cryptographically-secure randoms. +rand = random.SystemRandom() + def random_string(length): - return ''.join(random.choice(string.ascii_letters) for _ in range(length)) + return ''.join(rand.choice(string.ascii_letters) for _ in range(length)) def random_string_with_symbols(length): return ''.join( - random.choice(_string_with_symbols) for _ in range(length) + rand.choice(_string_with_symbols) for _ in range(length) ) |