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199 commits

Author SHA1 Message Date
Cosmin Cojocar
13519fda59 Update the tls configuration generate to handle also the NSS alternative names 
Regenerate the configuration of TLS rule.

Signed-off-by: Cosmin Cojocar <ccojocar@cloudbees.com>
 2020-09-03 10:54:08 +02:00
Cosmin Cojocar
f13b8bc639 Add also filepath.Rel as a sanitization method for input argument in the G304 rule 
Signed-off-by: Cosmin Cojocar <ccojocar@cloudbees.com>
 2020-08-19 09:40:07 +02:00
Cosmin Cojocar
047729a84f Fix the rule G304 to handle the case when the input is cleaned as a variable assignment 
Signed-off-by: Cosmin Cojocar <ccojocar@cloudbees.com>
 2020-08-19 09:40:07 +02:00
ggkitsas
b60ddc21ba feat: adds support for path.Join and for tar archives in G305 2020-08-03 09:17:45 +02:00
Cosmin Cojocar
110b62b05f Add io.CopyBuffer function to rule G110 
Signed-off-by: Cosmin Cojocar <cosmin.cojocar@gmx.ch>
 2020-07-29 14:25:45 +02:00
Cosmin Cojocar
ade81d3873 Rename file for consistency 
Signed-off-by: Cosmin Cojocar <cosmin.cojocar@gmx.ch>
 2020-06-29 13:52:47 +02:00
evalphobia
03f12f3f5d Change naming rule from blacklist to blocklist 2020-06-29 13:45:44 +02:00
Cosmin Cojocar
55d368f2e5 Improve the TLS version checking 
Signed-off-by: Cosmin Cojocar <cosmin.cojocar@gmx.ch>
 2020-06-25 09:21:14 +02:00
Cosmin Cojocar
1d2c951f2c Extend the rule G304 with os.OpenFile and add a test to cover it 
Signed-off-by: Cosmin Cojocar <cosmin.cojocar@gmx.ch>
 2020-06-17 13:14:08 +02:00
Cosmin Cojocar
6bbf8f9cbc Extend the insecure random rule with more insecure random functions 
Signed-off-by: Cosmin Cojocar <cosmin.cojocar@gmx.ch>
 2020-06-15 15:12:02 +02:00
Cosmin Cojocar
30e93bf865 Improve the SQL strings concat rules to handle multiple string concatenation 
Signed-off-by: Cosmin Cojocar <cosmin.cojocar@gmx.ch>
 2020-05-27 10:16:56 +02:00
Cosmin Cojocar
68bce94323 Improve the SQL concatenation and string formatting rules to be applied only in the database/sql context 
In addition makes pattern matching used by the rules cases insensitive.
Signed-off-by: Cosmin Cojocar <cosmin.cojocar@gmx.ch>
 2020-05-27 10:16:56 +02:00
Grant Murphy
8630c43b66 Add null pointer check in G601 
fixes: #475
 2020-05-21 05:51:45 +02:00
Vitaly Velikodny
668512fc5c Update bad_defer.go 
Fix a mistake in the message:
> G307: Deferring unsafe method "*os.File" on type "Close" (gosec)

type and method changed
 2020-05-06 16:23:04 +02:00
Caccavale
ee3146e637 Rule which detects aliasing of values in RangeStmt 2020-04-24 07:46:25 -07:00
Cosmin Cojocar
fb44007c6e Enhance the hardcoded credentials rule to check the equality and non-equality of strings 
Signed-off-by: Cosmin Cojocar <cosmin.cojocar@gmx.ch>
 2020-04-20 03:08:39 -07:00
Cosmin Cojocar
802292c54f Fix the configuration parsing for hardcoded credentials 
Signed-off-by: Cosmin Cojocar <cosmin.cojocar@gmx.ch>
 2020-04-15 07:21:19 -07:00
Cosmin Cojocar
c6e10af40f Handle properly the gosec module version v2 
Signed-off-by: Cosmin Cojocar <cosmin.cojocar@gmx.ch>
 2020-04-06 09:06:23 -07:00
Cosmin Cojocar
cf2590442c Fix the subproc rule to handle correctly the CommandContext check 
In this case, we need to skip the first argument because it is the context.

Signed-off-by: Cosmin Cojocar <cosmin.cojocar@gmx.ch>
 2020-03-13 13:25:35 +01:00
Cosmin Cojocar
f97f86103c Update the subproc rule to detect the syscall.ForkExec and syscall.StartProces calls 
Also add the corresponding tests for this.

Signed-off-by: Cosmin Cojocar <cosmin.cojocar@gmx.ch>
 2020-03-13 13:25:35 +01:00
Sam Caccavale
7525fe4bb7
Rule for defering methods which return errors (#441) 2020-03-01 21:45:37 +01:00
Sam Caccavale
a305f10eb9
Fileperms (#442) 2020-02-28 12:48:18 +01:00
Cosmin Cojocar
3e069e7756 Fix the errors rule whitelist to work on types methods 
Signed-off-by: Cosmin Cojocar <cosmin.cojocar@gmx.ch>
 2020-01-29 09:41:46 +01:00
Hiroki Suezawa
459e2d3e91 Modify rule for integer overflow to have more acurate results (#434) 
Signed-off-by: Hiroki Suezawa <suezawa@gmail.com>
 2020-01-21 10:13:11 +01:00
Hiroki Suezawa
a4d7b3628b Add G110(Potential DoS vulnerability via decompression bomb) 
Signed-off-by: Hiroki Suezawa <suezawa@gmail.com>
 2020-01-20 10:37:56 +01:00
Hiroki Suezawa
9cb83e10af Add a rule which detects when there is potential integer overflow (#422) 
* Add G109(Potential Integer OverFlow Detection)

Signed-off-by: Hiroki Suezawa <suezawa@gmail.com>

* add CWE to G109(Potential Integer Overflow)

Signed-off-by: Hiroki Suezawa <suezawa@gmail.com>

* Modify G109 to use gosec.Context

Signed-off-by: Hiroki Suezawa <suezawa@gmail.com>
 2020-01-06 09:55:52 +01:00
Cosmin Cojocar
50e1fe267d Improve the SSRF rule to report an issue for package scoped variables 
Made also the rule to not report an issue when encountering function
scoped variable which terminate in a basic literal such as a string.

Signed-off-by: Cosmin Cojocar <cosmin.cojocar@gmx.ch>
 2019-10-08 11:56:58 +02:00
Cosmin Cojocar
29341f6e9c Fix the rule G108/pporf to handle the case when the pporf import has not name 
This is causing a crash.
Signed-off-by: Cosmin Cojocar <cosmin.cojocar@gmx.ch>
 2019-09-24 18:16:45 +10:00
Cosmin Cojocar
9cee24cccd Add a rule which detects when pprof endpoint is automatically exposed 
Signed-off-by: Cosmin Cojocar <cosmin.cojocar@gmx.ch>
 2019-09-24 09:32:09 +10:00
Martin Vrachev
709ed1ba65 Change rule G204 to be less restrictive (#339) 
Currently, rule G204 warns you about every single use of the
functions syscall.Exec, os.exec.CommandContext and os.Exec.Command.
This can create false positives and it's not accurate because you can
use those functions with perfectly secure arguments like hardcoded
strings for example.

With this change, G204 will warn you in 3 cases when passing arguments
to a function which starts a new process the arguments:
1) are variables initialized by calling another function
2) are functions
3) are command-line arguments or environmental variables

Closes: https://github.com/securego/gosec/issues/338

Signed-off-by: Martin Vrachev <mvrachev@vmware.com>
 2019-09-16 16:15:06 +02:00
Cosmin Cojocar
338b50debb Remove rule G105 which detects the use of math/big#Int.Exp 
The big#Int.Exp used to be vulnerable in older versions of Go, but in the
meantime has been fixed (https://github.com/golang/go/issues/15184).

Signed-off-by: Cosmin Cojocar <cosmin.cojocar@gmx.ch>
 2019-09-10 11:59:05 +10:00
Cosmin Cojocar
81b6dc8872 Regenerate the TLS configuration based on latest Mozilla's recommended ciphers 
Signed-off-by: Cosmin Cojocar <cosmin.cojocar@gmx.ch>
 2019-09-10 11:57:18 +10:00
Cosmin Cojocar
f3445245a2 Fix the whitelist on G104 rule and add a test 
Signed-off-by: Cosmin Cojocar <cosmin.cojocar@gmx.ch>
 2019-06-25 11:15:11 +02:00
Cosmin Cojocar
78a49491a8 Load rules on each code sample in order to reconfigure them 
Signed-off-by: Cosmin Cojocar <cosmin.cojocar@gmx.ch>
 2019-06-25 11:14:27 +02:00
Cosmin Cojocar
ed9934fa48 Refactor the rules tests to be able to configure the analyzer config per test sample 
Signed-off-by: Cosmin Cojocar <cosmin.cojocar@gmx.ch>
 2019-06-25 10:29:19 +02:00
Ben Bytheway
04dc713f22 One approach for fixing the false positive identified in #325. 2019-06-13 08:22:48 +10:00
Cosmin Cojocar
3af4ae9ddb Fix some lint warnings 
Signed-off-by: Cosmin Cojocar <cosmin.cojocar@gmx.ch>
 2019-05-01 08:52:23 +02:00
Cosmin Cojocar
b49c9532a8 Add a flag which allows to scan also the tests files 
Signed-off-by: Cosmin Cojocar <cosmin.cojocar@gmx.ch>
 2019-04-29 06:55:24 +02:00
Martin Vrachev
62b5195dd9 Report for Golang errors (#284) 
* Report for Golang errors

Right now if you use Gosec to scan invalid go file and if you report the result in a text, JSON, CSV or another file format you will always receive 0 issues.
The reason for that is that Gosec can't parse the AST of invalid go files and thus will not report anything.

The real problem here is that the user will never know about the issue if he generates the output in a file.

Signed-off-by: Martin Vrachev <mvrachev@vmware.com>
 2019-02-27 08:24:06 +10:00
Cosmin Cojocar
f87af5fa72 Detect the unhandled errors even though they are explicitly ignored if the 'audit: enabled' setting is defined in the global configuration (#274) 
* Define more explicit the global options in the configuration

* Detect in audit mode the unhandled errors even thought they are explicitly ignored
 2019-01-14 21:37:40 +10:00
Cosmin Cojocar
14ed63d558 Do not flag the unhandled errors which are explicitly ignored 
fixes #270
 2019-01-14 10:06:30 +01:00
Cosmin Cojocar
24e3094d2a Extend the bind rule to handle the case when the net.Listen address in provided from a const 2018-12-04 09:22:06 +01:00
Cosmin Cojocar
9b32fcac16 Fix the bind rule to handle the case when the arguments of the net.Listen are returned by a function call 2018-12-04 09:22:06 +01:00
Edoardo Tenani
adb42220da whitelist strings.Builder method in rule G104 2018-11-11 09:57:28 +01:00
Yuki Ito
41809946d4 Make G201 ignore CallExpr with no args (#262) 2018-11-05 09:28:47 +01:00
Oleksandr Redko
3116b07de4 Fix typos in comments and rulelist (#256) 2018-10-11 14:45:31 +02:00
Cosmin Cojocar
64d58c2e51 Refactor the test code sample to support multiple files per sample 2018-09-28 11:42:25 +03:00
Delon Wong Her Laang
d3f1980e7a Fix false positives for SQL string concatenation with constants from another file (#247) 
* Allow for SQL concatenation of nodes that resolve to literals

If node.Y resolves to a literal, it will not be considered as an issue.

* Fix typo in comment.

* Go through all files in package to resolve that identifier

* Refactor code and added comments.

* Changed checking to not var or func.

* Allow for supporting code for test cases.

* Resolve merge conflict changes.
 2018-09-28 10:46:59 +03:00
Dale Hui
762ff3a709 Allow quoted strings to be used to format SQL queries (#240) 
* Support stripping vendor paths when matching calls

* Factor out matching of formatter string

* Quoted strings are safe to use with SQL str formatted strings

* Add test for allowing quoted strings with string formatters

* Install the pq package for tests to pass
 2018-09-25 10:40:05 +03:00
cschoenduve-splunk
145f1a0bf4 Removed wrapping feature (#238) 2018-09-04 18:08:37 +02:00
cschoenduve-splunk
419c9292c8 G107 - SSRF (#236) 
* Initial SSRF Rule

* Added Selector evaluation

* Added source code tests

* Fixed spacing issues

* Fixed Spacingv2

* Removed resty test
 2018-09-04 08:55:03 +02:00
cschoenduve-splunk
7fd94463ed update to G304 which adds binary expressions and file joining (#233) 
* Added features to G304

* Linted

* Added path selectors

* Used better solution

* removed debugging lines

* fixed comments

* Added test code

* fixed a spacing change
 2018-08-28 14:34:07 +10:00
cschoenduve-splunk
b6891998ce Add Fprintf to Rule G201 2018-08-21 09:31:38 +02:00
cschoenduve-splunk
a7cff91312 Small update to G201 and added ConcatString Function (#228) 2018-08-19 19:57:36 +02:00
Cosmin Cojocar
8dfa8dc015 Update README 2018-08-08 16:41:34 +02:00
Cosmin Cojocar
fb0dc73a96 Add sha1 to weak crypto primitives 2018-08-08 16:38:57 +02:00
Will Roden
6a156e2695 Merge branch 'master' into commandcontext 2018-07-26 09:13:43 -05:00
Cosmin Cojocar
893b87b343 Replace gas with gosec everywhere in the project 2018-07-19 18:42:25 +02:00
Grant Murphy
da26f64208
Rename github org (#214) 2018-07-19 17:40:28 +10:00
Cosmin Cojocar
1923b6d18e Rule which detects a potential path traversal when extracting zip archives (#208) 
* Add a rule which detects file path traversal when extracting zip archive

* Detect if any argument is derived from zip.File

* Drop support for Go version 1.8
 2018-07-18 22:31:07 +10:00
Will Roden
d7ec2fce7a add CommandContext as subprocess launcher 2018-06-03 16:43:28 -05:00
cosmincojocar
4ae8c95b40 Add an option for Go build tags (#201) 
* Add an option for Go build tags

* Update README with a section for Go build tags
 2018-04-20 09:45:03 +10:00
cosmincojocar
c25269ef39 Regenerate the TLS config (#199) 2018-04-16 15:44:11 +10:00
cosmincojocar
e809226800 Build improvments (#179) 
* Add a semantic version to the usage text

* Add a comment to the version function

* Inject the version, git tag and build date as build variables

* Update README

* Fix lint warnings

* Update README

* Manage dependencies with dep tool instead of godep

* Add a Makefile for common build tasks

* Update the build file to use the make tool

* Update Dockerfile

* Add docker entry point in to make the passing of arguments easy

* Update README

* Add missing tools to the build

* Drop 1.7 support and add 1.10

* Fix Go 1.10 according with the travis guidelines

https://docs.travis-ci.com/user/languages/go/

* Update the tls-observatory package

* Fix lint warnings

* Change the output of the tests to be more verbose

* Check if the are build errors before executing the rule test
 2018-03-13 08:57:10 +10:00
jonmcclintock
2115402409 Add the rule ID to issues (#188) 2018-03-12 18:18:44 +10:00
Grant Murphy
66aea5cd99 fix gofmt errors 2018-03-09 12:49:01 +10:00
Grant Murphy
90fe5cb5ab Port readfile rule to include ID and metadata 2018-03-09 11:27:41 +10:00
Grant Murphy
58a48c471c Merge branch 'nosec-specify-rule' of git://github.com/jonmcclintock/gas into jonmcclintock-nosec-specify-rule 2018-03-09 10:54:34 +10:00
andyleap
f3c8d59863 Switch to valuespec instead of gendecl for hardcoded credential rule (#186) 2018-03-09 09:49:49 +10:00
coredefend
e76b258456 New Rule Tainted file (#183) 
* Add a tool to generate the TLS configuration form Mozilla's ciphers recommendation (#178)

* Add a tool which generates the TLS rule configuration from Mozilla server side
TLS configuration

* Update README

* Remove trailing space in README

* Update dependencies

* Fix the commends of the generated functions

* Add nil pointer check to rule. (#181)

TypeOf returns the type of expression e, or nil if not found. We are
calling .String() on a value that may be nil in this clause.

Relates to #174

* Add support for YAML output format (#177)

* Add YAML output format

* Update README

* added rule to check for tainted file path

* added #nosec to main/issue.go

* updated test case import
 2018-03-09 09:23:27 +10:00
Jon McClintock
6b484e734e Run gofmt 2018-03-03 00:03:39 +00:00
Jon McClintock
1429033aca Add support for #excluding specific rules 2018-03-02 23:44:51 +00:00
Grant Murphy
c6183b4d5c
Add nil pointer check to rule. (#181) 
TypeOf returns the type of expression e, or nil if not found. We are
calling .String() on a value that may be nil in this clause.

Relates to #174
 2018-02-28 04:29:25 +10:00
cosmincojocar
edb362fc9d Add a tool to generate the TLS configuration form Mozilla's ciphers recommendation (#178) 
* Add a tool which generates the TLS rule configuration from Mozilla server side
TLS configuration

* Update README

* Remove trailing space in README

* Update dependencies

* Fix the commends of the generated functions
 2018-02-21 15:59:18 +10:00
cosmincojocar
1c58cbd378 Make the folder permissions more permissive to avoid false positives (#175) 2018-02-15 19:53:01 +10:00
Cosmin Cojocar
230d286f4e Fix gofmt formatting 2018-02-10 20:04:58 +01:00
Grant Murphy
6b28d5c0e6
Merge pull request #166 from cosmincojocar/fprint_whitelist 
Add Fprint, Fprintf, Fprintln to NoErrorCheck whitelist
 2018-02-08 11:54:44 +10:00
Cosmin Cojocar
6cd7a6d7fe Add Fprint, Fprintf, Fprintln to NoErrorCheck whitelist 2018-02-07 14:13:17 +01:00
Cosmin Cojocar
179c178924 Add some review fixes 2018-02-07 09:23:52 +01:00
Cosmin Cojocar
d3c3cd6419 Add a rule to detect the usage of ssh InsecureIgnoreHostKey function 2018-02-06 16:56:26 +01:00
Grant Murphy
a97a196160 Unused import 2018-01-30 09:35:35 +10:00
Grant Murphy
7c7fe752b6 Fix go vet errors in tests 2018-01-30 09:32:04 +10:00
Jon McClintock
1ca335016a Rebase to master 2018-01-22 18:45:07 +00:00
Jon McClintock
8eb9cc02a4 Adjust SQL format-string rules to ignore inherently safe formats 2018-01-22 18:34:57 +00:00
Grant Murphy
085e0f65af
Merge pull request #150 from GoASTScanner/experimental 
Use explicit packages in call lists
 2018-01-05 23:14:24 +10:00
Grant Murphy
aecbc873ef Use explicit packages in call lists 
By allowing partial matches of selectors there are chances of collisions
such as those in issue #145, this removes it to expect explicit packages
for each rule.

Closes #145
 2018-01-05 23:05:53 +10:00
Grant Murphy
9a2bec1cd0
Merge pull request #149 from GoASTScanner/experimental 
Fix nil pointer dereference in complit types
 2018-01-05 22:20:21 +10:00
Grant Murphy
b6f85d50da Fix nil pointer dereference in complit types 2018-01-05 22:19:08 +10:00
Grant Murphy
3520a5ae85
Merge pull request #146 from GoASTScanner/experimental 
Merge experimental / refactor
 2018-01-05 22:08:59 +10:00
Grant Murphy
e925d3c347 Migrated old test cases. 2017-12-28 16:54:10 +10:00
Grant Murphy
af25ac1f6e fix golint errors picked up by hound-ci 2017-12-13 22:35:47 +10:00
Grant Murphy
cfa432729c fix hound-ci errors 2017-12-13 17:39:00 +10:00
Grant Murphy
3caf7c3154 Add test cases 2017-09-16 10:12:27 +10:00
Cosmin Cojocar
c36954f04a Add the CHACHA20 to good ciphers in modern tls check 2017-08-30 16:00:56 +02:00
Grant Murphy
6943f9e5e4 Major rework of codebase 
- Get rid of 'core' and move CLI to cmd/gas directory
- Migrate (most) tests to use Ginkgo and testutils framework
- GAS now expects package to reside in $GOPATH
- GAS now can resolve dependencies for better type checking (if package
  on GOPATH)
- Simplified public API
 2017-07-19 15:17:00 -06:00
Grant Murphy
65b18da711 Hack to address circular dependency in rulelist 2017-05-09 21:26:12 -07:00
Grant Murphy
bf78d027a9 Restructure and introduce a standalone config 2017-04-28 14:46:26 -07:00
Grant Murphy
cacf21f3c0 Restructure to focus on lib rather than cli 2017-04-26 08:08:46 -07:00
Cosmin Cojocar
5b71c2b05f Add a test for math/big.Int.Exp rule 2017-04-10 16:10:24 +02:00
Cosmin Cojocar
65b8e74ecd Add a rule for big.Exp function call 2017-04-10 14:25:48 +02:00