CVE-2020-1927

medium

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.

References

https://httpd.apache.org/security/vulnerabilities_24.html

http://www.openwall.com/lists/oss-security/2020/04/03/1

http://www.openwall.com/lists/oss-security/2020/04/04/1

https://lists.apache.org/thread.html/[email protected]%3Cdev.httpd.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cdev.httpd.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E

https://security.netapp.com/advisory/ntap-20200413-0002/

http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00002.html

https://www.oracle.com/security-alerts/cpujul2020.html

https://usn.ubuntu.com/4458-1/

https://lists.fedoraproject.org/archives/list/[email protected]/message/HYVYE2ZERFXDV6RMKK3I5SDSDQLPSEIQ/

https://www.debian.org/security/2020/dsa-4757

https://lists.fedoraproject.org/archives/list/[email protected]/message/A2RN46PRBJE7E7OPD4YZX5SVWV5QKGV5/

https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E

https://www.oracle.com/security-alerts/cpuApr2021.html

https://lists.debian.org/debian-lts-announce/2021/07/msg00006.html

Details

Source: MITRE

Published: 2020-04-02

Updated: 2022-04-26

Type: CWE-601

Risk Information

CVSS v2

Base Score: 5.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:N

Impact Score: 4.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 6.1

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Impact Score: 2.7

Exploitability Score: 2.8

Severity: MEDIUM