Risk | High |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2020-5217 |
CWE-ID | CWE-78 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
secure_headers Universal components / Libraries / Libraries used by multiple products |
Vendor |
Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU24795
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-5217
CWE-ID:
CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to insufficient validation of user-supplied input in "append/override_content_security_policy_directives". A remote unauthenticated attacker can inject a semicolon, use it to override a script directive and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionssecure_headers: 0.4.2 - 6.1.2
External linkshttp://github.com/twitter/secure_headers/commit/936a160e3e9659737a9f9eafce13eea36b5c9fa3
http://github.com/twitter/secure_headers/issues/418
http://github.com/twitter/secure_headers/pull/421
http://github.com/twitter/secure_headers/security/advisories/GHSA-xq52-rv6w-397c
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.