CVE-2020-1927

NameCVE-2020-1927
DescriptionIn 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-2706-1, DSA-4757-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
apache2 (PTS)stretch2.4.25-3+deb9u9vulnerable
stretch (security)2.4.25-3+deb9u11fixed
buster2.4.38-3+deb10u5fixed
buster (security)2.4.38-3+deb10u6fixed
bullseye2.4.48-3.1+deb11u1fixed
bullseye (security)2.4.51-1~deb11u1fixed
bookworm, sid2.4.51-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
apache2sourcestretch2.4.25-3+deb9u10DLA-2706-1
apache2sourcebuster2.4.38-3+deb10u4DSA-4757-1
apache2source(unstable)2.4.43-1low

Notes

[jessie] - apache2 <ignored> (Minor issue)
https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2020-1927
https://svn.apache.org/r1873905
https://svn.apache.org/r1874191

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