Open redirect in mod_auth_mellon
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-3639 |
| CWE-ID | CWE-601 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
mod_auth_mellon Universal components / Libraries / Libraries used by multiple products |
| Vendor | John Dennis |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Open redirect
EUVDB-ID: #VU63468
Risk: Low
CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-3639
CWE-ID:
CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to redirect victims to arbitrary URL.
The vulnerability exists due to improper sanitization of logout URLs in mod_auth_mellon. A remote attacker can create a link that leads to a trusted website, trick the victim to open it and redirect to arbitrary domain.
Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.
MitigationInstall updates from vendor's website.
Vulnerable software versionsmod_auth_mellon: 0.4.0 - 0.17.0
External linkshttp://access.redhat.com/errata/RHSA-2022:4690
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.
