Information disclosure in actions http-client
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-11021 |
| CWE-ID | CWE-200 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
http-client Web applications / Modules and components for CMS |
| Vendor | GitHub Actions |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Information disclosure
EUVDB-ID: #VU27521
Risk: Medium
CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2020-11021
CWE-ID:
CWE-200 - Information exposure
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to Actions Http-Client can disclose Authorization headers to incorrect domain in certain redirect scenarios. A remote attacker can gain unauthorized access to sensitive information on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionshttp-client: 1.0.0 - 1.0.7
External linkshttp://github.com/actions/http-client/commit/f6aae3dda4f4c9dc0b49737b36007330f78fd53a
http://github.com/actions/http-client/pull/27
http://github.com/actions/http-client/security/advisories/GHSA-9w6v-m7wp-jwg4
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
