CVE-2020-1927 Information

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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 Vector

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

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00002.html http://www.openwall.com/lists/oss-security/2020/04/03/1 http://www.openwall.com/lists/oss-security/2020/04/04/1 https://httpd.apache.org/security/vulnerabilities_24.html https://lists.apache.org/thread.html/r10b853ea87dd150b0e76fda3f8254dfdb23dd05fa55596405b58478e@3Ccvs.httpd.apache.org3E https://lists.apache.org/thread.html/r1719675306dfbeaceff3dc63ccad3de2d5615919ca3c13276948b9ac@3Cdev.httpd.apache.org3E https://lists.apache.org/thread.html/r52a52fd60a258f5999a8fa5424b30d9fd795885f9ff4828d889cd201@3Cdev.httpd.apache.org3E https://lists.apache.org/thread.html/r70ba652b79ba224b2cbc0a183078b3a49df783b419903e3dcf4d78c7@3Ccvs.httpd.apache.org3E https://lists.fedoraproject.org/archives/list/[email protected]/message/A2RN46PRBJE7E7OPD4YZX5SVWV5QKGV5/ https://lists.fedoraproject.org/archives/list/[email protected]/message/HYVYE2ZERFXDV6RMKK3I5SDSDQLPSEIQ/ https://security.netapp.com/advisory/ntap-20200413-0002/ https://usn.ubuntu.com/4458-1/ https://www.debian.org/security/2020/dsa-4757 https://www.oracle.com/security-alerts/cpujul2020.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1