commit b89f42cdb5117d082d945816ce132da0499173af Author: Matthew Finkel sysrqb@torproject.org Date: Fri Apr 30 22:45:36 2021 +0000

Bug 40017: Add FF88 audit --- audits/FF88_NETWORK_AUDIT | 141 ++++++++++++++++++++++++++++++++++++++++++++++ audits/code_audit.sh | 6 +- 2 files changed, 146 insertions(+), 1 deletion(-)

diff --git a/audits/FF88_NETWORK_AUDIT b/audits/FF88_NETWORK_AUDIT new file mode 100644 index 0000000..6462aad --- /dev/null +++ b/audits/FF88_NETWORK_AUDIT @@ -0,0 +1,141 @@ +=============== Firefox General ============= + +Start: 4068febfd76d9ec557591240d7496be42c27c17f # FIREFOX_87_0_BUILD3 +End: 676143236541851e068696fa4528d87a9bb0088d # FIREFOX_88_0_BUILD1 + +=============== Firefox Native DNS Portion ============= + +PR_GetHostByName +PR_GetIPNodeByName +PR_GetAddrInfoByName +PR_StringToNetAddr (itself is good as it passes AI_NUMERICHOST to getaddrinfo. No resolution.) + +MDNS +TRR (DNS Trusted Recursive Resolver) +Direct Paths to DNS resolution: +nsDNSService::Resolve +nsDNSService::AsyncResolve +nsHostResolver::ResolveHost + +# FF88: Nothing of interest + +============ Firefox Misc Socket Portion ============== + +SOCK_ +SOCKET_ +_SOCKET + +UDPSocket +TCPSocket + PR_NewTCPSocket + AsyncTCPSocket + +Misc PR_Socket + +# FF88: Nothing of interest + +=========== Firefox 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 + +# FF88: Nothing of interest + +============ Firefox Rust Portion ================ + +Rust + +# FF88: Nothing of interest (using `java_audit.sh`) + +============ Firefox 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 + +# FF88 +# Bug 1694481 +# - Removes unused code + +============ Application Services Portion ============= + +Start: 1ee6b32f3ee569036fdf1015cf7ffc01ded2860f # v71.0.0 +End: ad7b64fa03eeeb00815125e635d1fb8809befd40 # v74.0.1 + +# FF88: Nothing related to networking in Java/Koltlin/Rust code (using `code_audit.sh`) + +============ Android Components Portion ============= + +Start: bea80bbaccc431994a534a087b223563826ac256 # v73.0.11 +End: e09d8a00b5eae63767d905a74966be301b5dd059 # v74.0.11 + +# FF88 (using `code_audit.sh`) +# Issue #9823 +# - Make users aware that download was not performed because of a denied permission +# - Review Result: Safe +# - Comments: +# - Calls startActivity(), but the target is hard-coded as the Android Settings + +# Issue #9757 +# - Remove downloads notification when private tabs are closed +# - Review Result: Safe +# - Comment: +# - Calls startService(), but the target is hard-coded as the internal Downloads Service + +# Issue #9713 +# - Autofill: Support alternative authentication methods +# - Review Result: Conditionally Safe +# - Comment: +# - Calls startActivityForResult() with an arbitrary target Activity. +# - Fenix instantiates the configuration using itself as the target. + +============ Fenix Portion ============= + +Start: 9d91b8eeb9d287ee95937b5edfffde383982267a # v87.0.0-rc.1 +End: 5f98c4ec98d663c763dc4ec5ea84a14cdf342d04 # v88.1.1 + +# FF88: (using `java_audit.sh`) +# - 8856a3c1d769586bfd6daa7b3b2df48fb26f1bc3 +# - Integrate Android Autofill support into Nightly and debug builds. +# - Review Result: Safe (but see fenix#40160) + +============ 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 + diff --git a/audits/code_audit.sh b/audits/code_audit.sh index c7c0848..d260d15 100755 --- a/audits/code_audit.sh +++ b/audits/code_audit.sh @@ -55,6 +55,10 @@ initialize_java_symbols() { KEYWORDS+=(ActivityDelegate) # Added in FF87 audit KEYWORDS+=(AutofillService) + # Added in FF88 audit + KEYWORDS+=(AutofillConfiguration) + KEYWORDS+=(Authenticator) + KEYWORDS+=(AutofillUnlockActivity) }

initialize_rust_symbols() { @@ -155,7 +159,7 @@ done echo "Diffing patches-${OLD}-${NEW}-${SCOPE}.diff from all ${path[*]} files" # Exclude Deleted and Unmerged files from diff DIFF_FILTER=ACMRTXB -git diff --color=always --color-moved --diff-filter="${DIFF_FILTER}" -U20 -G"${GREP_LINE}" "$OLD" "$NEW" -- "${path[@]}" > "patches-${OLD}-${NEW}-${SCOPE}.diff" +git diff --stat --color=always --color-moved --diff-filter="${DIFF_FILTER}" -U20 -G"${GREP_LINE}" "$OLD" "$NEW" -- "${path[@]}" > "patches-${OLD}-${NEW}-${SCOPE}.diff"

# Step 4: Highlight the keyword with an annoying, flashing color export GREP_COLOR="05;37;41"