Vulnerability Description
In Apache HTTP Server 2.4.0 to 2.4.41, redirects configured with mod_rewrite that were intended to be self-referential might be fooled by encoded newlines and redirect instead to an an unexpected URL within the request URL.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache | Http Server | >= 2.4.0, <= 2.4.41 |
| Fedoraproject | Fedora | 31 |
| Debian | Debian Linux | 9.0 |
| Canonical | Ubuntu Linux | 16.04 |
| Opensuse | Leap | 15.1 |
| Netapp | Oncommand Unified Manager Core Package | - |
| Broadcom | Brocade Fabric Operating System | - |
| Oracle | Communications Element Manager | 8.1.1 |
| Oracle | Communications Session Report Manager | 8.1.1 |
| Oracle | Communications Session Route Manager | 8.1.1 |
| Oracle | Enterprise Manager Ops Center | 12.4.0.0 |
| Oracle | Instantis Enterprisetrack | >= 17.1, <= 17.3 |
| Oracle | Sd-Wan Aware | 8.2 |
| Oracle | Zfs Storage Appliance Kit | 8.8 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00002.htmlMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2020/04/03/1Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2020/04/04/1Mailing ListThird Party Advisory
- https://httpd.apache.org/security/vulnerabilities_24.htmlVendor Advisory
- https://lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cadfda
- https://lists.apache.org/thread.html/r09bb998baee74a2c316446bd1a41ae7f8d7049d09d
- https://lists.apache.org/thread.html/r10b853ea87dd150b0e76fda3f8254dfdb23dd05fa5
- https://lists.apache.org/thread.html/r1719675306dfbeaceff3dc63ccad3de2d5615919ca
- https://lists.apache.org/thread.html/r3c5c3104813c1c5508b55564b66546933079250a46
- https://lists.apache.org/thread.html/r52a52fd60a258f5999a8fa5424b30d9fd795885f9f
- https://lists.apache.org/thread.html/r6a4146bf3d1645af2880f8b7a4fd8afd696d5fd4a3
- https://lists.apache.org/thread.html/r70ba652b79ba224b2cbc0a183078b3a49df783b419
- https://lists.apache.org/thread.html/r731d43caece41d78d8c6304641a02a369fd78300e7
- https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37
- https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f8
FAQ
What is CVE-2020-1927?
CVE-2020-1927 is a vulnerability with a CVSS score of 6.1 (MEDIUM). In Apache HTTP Server 2.4.0 to 2.4.41, redirects configured with mod_rewrite that were intended to be self-referential might be fooled by encoded newlines and redirect instead to an an unexpected URL ...
How severe is CVE-2020-1927?
CVE-2020-1927 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-1927?
Check the references section above for vendor advisories and patch information. Affected products include: Apache Http Server, Fedoraproject Fedora, Debian Debian Linux, Canonical Ubuntu Linux, Opensuse Leap.