ch0ic3/PayloadsAllTheThings
1
0
Fork 0
mirror of https://github.com/swisskyrepo/PayloadsAllTheThings.git synced 2024-12-18 10:26:09 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Update YAML.md

Browse Source 
Updating the actual risks for Python
This commit is contained in:
gdraperi 2022-10-05 13:47:24 +02:00 committed by GitHub
parent a766679356
commit 666a90ffee
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
Insecure Deserialization/YAML.md
View File

@ -43,6 +43,16 @@ state: !!python/tuple
update: !!python/name:exec
```
Since PyYaml version 6.0, the default loader for ```load``` has been switched to SafeLoader mitigating the risks against Remote Code Execution.
[PR fixing the vulnerabily](https://github.com/yaml/pyyaml/issues/420)
The vulnerable sinks are now ```yaml.unsafe_load``` and ```yaml.load(input, Loader=yaml.UnsafeLoader)```
```
with open('exploit_unsafeloader.yml') as file:
data = yaml.load(file,Loader=yaml.UnsafeLoader)
```
## Ruamel.yaml
## Ruby
@ -86,4 +96,4 @@ state: !!python/tuple
* [YAML Deserialization Attack in Python - Manmeet Singh & Ashish Kukret - November 13][https://www.exploit-db.com/docs/english/47655-yaml-deserialization-attack-in-python.pdf]
* [PyYAML Documentation](https://pyyaml.org/wiki/PyYAMLDocumentation)
* [Blind Remote Code Execution through YAML Deserialization - 09 JUNE 2021](https://blog.stratumsecurity.com/2021/06/09/blind-remote-code-execution-through-yaml-deserialization/)
* [[CVE-2019-20477]- 0Day YAML Deserialization Attack on PyYAML version <= 5.1.2 - @_j0lt](https://thej0lt.com/2020/06/21/cve-2019-20477-0day-yaml-deserialization-attack-on-pyyaml-version/)
* [[CVE-2019-20477]- 0Day YAML Deserialization Attack on PyYAML version <= 5.1.2 - @_j0lt](https://thej0lt.com/2020/06/21/cve-2019-20477-0day-yaml-deserialization-attack-on-pyyaml-version/)