commit e710f186f33a9e6601617ed2a0ab4fb46f99a667 Author: Matthew Finkel sysrqb@torproject.org Date: Wed Nov 11 04:28:44 2020 +0000

Bug 40006: Add Fenix83 net audit --- audits/FF83_NETWORK_AUDIT | 132 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 132 insertions(+)

diff --git a/audits/FF83_NETWORK_AUDIT b/audits/FF83_NETWORK_AUDIT new file mode 100644 index 0000000..539acd2 --- /dev/null +++ b/audits/FF83_NETWORK_AUDIT @@ -0,0 +1,132 @@ +`git diff da52a0a45d57d5cb6fb6eb399e7fc112bf4c9c95 1cb2c4893850a5b0a246f821a6390c07064c1227` +and then go over all the changes containing the +above mentioned potentially dangerous calls and features. Grep the diff for +the following strings and examine surrounding usage. + +=============== Native DNS Portion ============= + +PR_GetHostByName +PR_GetIPNodeByName +PR_GetAddrInfoByName +PR_StringToNetAddr (itself is good as it passes AI_NUMERICHOST to getaddrinfo. No resolution.) + +# New DNS pref: network.dns.dns_query_single_label +# tor-browser#issues/40230 + +MDNS + +# FF83: Nothing new + +TRR (DNS Trusted Recursive Resolver) + +# FF83: trr moved to static prefs + +Direct Paths to DNS resolution: +nsDNSService::Resolve +nsDNSService::AsyncResolve +nsHostResolver::ResolveHost + +# FF83: eDontResolveRedirection - kernel things +# FF83: ResolveHost, asyncResolve - Adding IP hint support (1652670) + +============ Misc Socket Portion ============== + +SOCK_ +SOCKET_ +_SOCKET + +# FF83: Bug 1664900 - P5 - mv peerconnection to jsapi + +UDPSocket +TCPSocket + PR_NewTCPSocket + AsyncTCPSocket + +# FF83: Bug 1650145 - Replace all value uses of Empty[C]String by 0-length _ns literals + +Misc PR_Socket + +# FF83: Zero new instances of PR_Socket + +=========== Misc XPCOM Portion ================ + +Misc XPCOM (including commands for pre-diff review approach) + *SocketProvider + grep -R udp-socket . + grep -R tcp-socket . + grep for tcpsocket + grep -R "NS_" | grep SOCKET | grep "_C" + grep -R "@mozilla.org/network/" . | grep socket | grep -v udp-socket + +# FF83: Zero instances outside of tests and moved code + +============ Rust Portion ================ + +Rust + - XXX: What do we grep for here? Or do we rely on Ritter's compile-time tool? + - Check for new sendmsg and recvmsg usage + +# FF83: Zero new instances of sendmsg/recvmsg/connect outside of neqo + +============ Android Portion ============= + +Android Java calls + - URLConnection + - XXX: getInputStream? other methods? + - HttpURLConnection + - UrlConnectionDownloader + - ch.boye.httpclientandroidlib.impl.client.* (look for execute() calls) + - grep -n openConnection( mobile/android/thirdparty/ + - java.net.URL -- has SEVERAL proxy bypass URL fetching methods :/ + - java.net + - javax.net + - ch.boye.httpclientandroidlib.conn.* (esp ssl) + - ch.boye.httpclientandroidlib.impl.conn.* (esp ssl) + - Sudden appearance of thirdparty libs: + - OkHttp + - Retrofit + - Glide + - com.amitshekhar.android + - IntentHelper + - openUriExternal (can come from GeckoAppShell too) + - getHandlersForMimeType + - getHandlersForURL + - getHandlersForIntent + - android.content.Intent - too common; instead find launch methods: + - startActivity + - startActivities + - sendBroadcast + - sendOrderedBroadcast + - startService + - bindService + - android.app.PendingIntent + - android.app.DownloadManager + - ActivityHandlerHelper.startIntentAndCatch + +# FF83: Only Google SafeBrowsing +https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/40217 + +============ Application Services Portion ============= + +(Same as FF82) + +============ Android Components Portion ============= + +Start: 0a93a5ecd39e5a7f80e453a0d1a863057465aca0 # v60.0.3 +End: 0a2993d44aae3d877bb97cee925096f83af01b3a # v63.0.8 + +Zero new usage found of known proxy-bypass APIs (using `java_audit.sh`) + +============ Fenix Portion ============= + +Start: 998b62866dee35929ca0d81641df101c83ac1224 # v82.0.0-beta.4 +End: 5441935698f4d9e3606f3d6baf892f6e0106a2f6 # v83.1.0-rc.1 + +Zero new usage found of known proxy-bypass APIs (using `java_audit.sh`) + +============ Regression/Prior Vuln Review ========= + +Review proxy bypass bugs; check for new vectors to look for: + - https://trac.torproject.org/projects/tor/query?keywords=~tbb-proxy + - Look for new features like these. Especially external app launch vectors +