Commit Graph

112 Commits

Author SHA1 Message Date
Tom Hvitved
317303cdad Strengthen the type of SetterMethodCall 2021-09-27 14:05:28 +02:00
Harry Maclean
3e100bc2a9 Remove unicode character from doc string
We require that all source code is in ASCII.
2021-09-27 11:40:04 +01:00
Harry Maclean
74982cb3aa Merge pull request #307 from github/hmac-outgoing-http-2
Model some more HTTP clients
2021-09-24 12:30:48 +01:00
Tom Hvitved
30d2df53c6 Include MethodCall.getAChild in {Unary,Binary}Operation.getAChild 2021-09-24 12:08:54 +02:00
Tom Hvitved
edfdfb1fa4 Make {Unary,Binary}Operation a sub class of MethodCall 2021-09-23 19:13:55 +02:00
Harry Maclean
88885a222e Model the RestClient HTTP client 2021-09-23 16:32:15 +01:00
Harry Maclean
4cf520c2df Model the Faraday HTTP client 2021-09-23 16:32:15 +01:00
Harry Maclean
ee51298633 Model the Excon HTTP client 2021-09-23 16:32:15 +01:00
Tom Hvitved
ca2ff9a863 Merge pull request #305 from github/hvitved/desugar/array-literals
Desugar array literals to `::Array.[]`
2021-09-23 17:30:34 +02:00
Arthur Baars
40f0112e8a Merge pull request #297 from github/aibaars/alert-suppression
Alert suppression and file classifier query
2021-09-23 15:37:19 +02:00
Harry Maclean
4f9518a9c6 Merge pull request #293 from github/hmac-code-injection
Add query for Code Injection
2021-09-23 13:50:48 +01:00
Tom Hvitved
f347505542 Merge pull request #277 from github/hvitved/flow-summaries
Add support for flow summaries
2021-09-23 14:31:52 +02:00
Harry Maclean
41608ef47b Address review comments 2021-09-23 12:26:54 +01:00
Tom Hvitved
68d41f9f12 Address review comments 2021-09-23 12:39:47 +02:00
Harry Maclean
5826f2c279 Move Net::HTTP modelling into http_clients module
This seems a more convenient place to keep all the HTTP client
modelling.
2021-09-23 09:04:20 +01:00
Harry Maclean
b658bacab3 Simplify Net::HTTP modelling 2021-09-23 09:04:01 +01:00
Harry Maclean
3000587849 Add Net::HTTP request modelling 2021-09-23 09:04:01 +01:00
Harry Maclean
2bdea01c8a Add HTTP::Client concept 2021-09-23 09:04:01 +01:00
Alex Ford
0092c0279b Apply suggestions from code review
Co-authored-by: Nick Rolfe <nickrolfe@github.com>
2021-09-22 14:28:15 +01:00
Tom Hvitved
e670fdbb82 Move two predicates in FlowSummaryImplSpecific.qll 2021-09-22 14:12:46 +02:00
Tom Hvitved
a37737d065 Replace string kind with boolean preservesValue 2021-09-22 09:28:55 +02:00
Tom Hvitved
888183f26d Desugar array literals to ::Array.[] 2021-09-21 21:27:29 +02:00
Alex Ford
05a04f4835 Files.qll library implementation 2021-09-21 19:07:55 +01:00
Alex Ford
6315621b16 use instanceof extensions for some filesystem concepts 2021-09-21 19:02:11 +01:00
Alex Ford
d1f2258d45 revamp weak file permissions query 2021-09-21 19:02:11 +01:00
Alex Ford
25300cb2b4 start modelling some file access concepts 2021-09-21 19:02:11 +01:00
Tom Hvitved
cdc359527a Resolve semantic conflicts after rebase 2021-09-21 11:14:11 +02:00
Tom Hvitved
564c76c41f Address review comments 2021-09-21 11:04:53 +02:00
Tom Hvitved
08dc6d79ef Add support for flow summaries 2021-09-21 11:04:53 +02:00
Nick Rolfe
6f7d4fef70 Merge pull request #287 from github/unsafe-deserialization
rb/unsafe-deserialization query
2021-09-20 14:23:30 +01:00
Tom Hvitved
4bfbf62e13 Merge pull request #296 from github/hvitved/empty-location
Extract a special empty location
2021-09-20 13:05:27 +02:00
Harry Maclean
95e50cedad Add query for Code Injection
This query finds cases where user input flows to an argument to `eval`
or `send`, which can execute arbitrary Ruby code.
2021-09-20 11:35:45 +01:00
Harry Maclean
916b844557 Merge pull request #280 from github/hmac-cli-injection
Add CLI Injection query
2021-09-20 08:54:01 +01:00
Tom Hvitved
b2d0c60a02 Replace hasLocationInfo with getLocation in API::Node 2021-09-20 09:52:26 +02:00
Alex Ford
36289aa9d9 Merge pull request #255 from github/reflected-xss
rb/reflected-xss query
2021-09-17 18:32:48 +01:00
Harry Maclean
739661eb10 Test that KernelMethodCall is specific enough
Calls to `UnknownModule.system`, where `UnknownModule` is a module that
we know nothing about, should not be identified as instances of
`KernelMethodCall`.
2021-09-17 17:02:17 +01:00
Harry Maclean
64a8cedaa7 Generalise the concept of a Kernel method call 2021-09-17 17:02:17 +01:00
Harry Maclean
f8359767bc Exclude non-shell interpreted args
Update the CommandInjection query to only consider sinks where the
argument is interpreted by a shell. If the argument is passed directly
to a subprocess then it's not vulnerable to shell injection.
2021-09-17 17:02:17 +01:00
Harry Maclean
d046fb0591 Separate open3 pipeline methods
These have a slightly different structure than the other open3 methods.
2021-09-17 17:02:17 +01:00
Harry Maclean
174ba25c66 Update SystemCommandExecution to new pattern
The new pattern is to use the new instanceof keyword in the class
definition, instead of constraining the "superclass" via a member field.
2021-09-17 17:02:17 +01:00
Harry Maclean
cbc14ccda9 Make KernelSystemCall more specific
Test that calls to`system` on modules other than `Kernel` are excluded,
such as in this example:

    module Foo
      def self.system(*args); end
    end

    # This is not a call to Kernel.system
    Foo.system("bar")
2021-09-17 17:02:17 +01:00
Harry Maclean
fb23a2e3bf Add SubshellHeredocExecution
This is a form of command execution:

    result = <<`EOF`
    echo foo bar #{baz}
    EOF
2021-09-17 17:02:17 +01:00
Harry Maclean
799ef4e4c9 Add barrier guards for CLI injection 2021-09-17 17:02:17 +01:00
Harry Maclean
8f65d78cb5 Add Shellwords.escape as CLI injection sanitizer 2021-09-17 17:02:17 +01:00
Harry Maclean
4a0d7c528a Add top-level CLI injection query and tests 2021-09-17 17:02:17 +01:00
Harry Maclean
8440fe2ba9 Add CommandInjection dataflow config 2021-09-17 17:02:17 +01:00
Harry Maclean
a8f0bce1d1 Add SystemCommandExecution concept
A SystemCommandExecution is a method call or builtin that executes a
system command, either directly or via a subshell.
2021-09-17 17:02:17 +01:00
Nick Rolfe
3d23575a38 Merge pull request #292 from github/regexp_slash_az
Don't parse `\A` and `\Z` as `RegExpConstant`
2021-09-17 16:42:13 +01:00
Tom Hvitved
464b50231b DB upgrade script 2021-09-16 12:57:32 +02:00
Tom Hvitved
fd04baa9fe No longer create redundant numlines relation 2021-09-16 11:43:13 +02:00