| Name | CVE-2020-11985 |
| Description | IP address spoofing when proxying using mod_remoteip and mod_rewrite For configurations using proxying with mod_remoteip and certain mod_rewrite rules, an attacker could spoof their IP address for logging and PHP scripts. Note this issue was fixed in Apache HTTP Server 2.4.24 but was retrospectively allocated a low severity CVE in 2020. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| apache2 (PTS) | buster | 2.4.38-3+deb10u8 | fixed |
| buster (security) | 2.4.38-3+deb10u10 | fixed | |
| bullseye | 2.4.56-1~deb11u2 | fixed | |
| bullseye (security) | 2.4.56-1~deb11u1 | fixed | |
| bookworm | 2.4.57-2 | fixed | |
| sid, trixie | 2.4.58-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| apache2 | source | (unstable) | 2.4.25-1 |
https://bz.apache.org/bugzilla/show_bug.cgi?id=60251
https://bugs.launchpad.net/ubuntu/+source/apache2/+bug/1875299
https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2020-11985
https://www.openwall.com/lists/oss-security/2020/08/07/2
Upstream patch: https://svn.apache.org/r1688399
https://github.com/apache/httpd/commit/dd6c959b3625048ee15ba4ad72e6cb7bcaf91020