| Name | CVE-2021-44224 |
| Description | A crafted URI sent to httpd configured as a forward proxy (ProxyRequests on) can cause a crash (NULL pointer dereference) or, for configurations mixing forward and reverse proxy declarations, can allow for requests to be directed to a declared Unix Domain Socket endpoint (Server Side Request Forgery). This issue affects Apache HTTP Server 2.4.7 up to 2.4.51 (included). |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2907-1, DSA-5035-1, ELA-567-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| apache2 (PTS) | jessie, jessie (lts) | 2.4.10-10+deb8u29 | fixed |
| stretch (security) | 2.4.25-3+deb9u13 | fixed | |
| stretch (lts), stretch | 2.4.25-3+deb9u19 | fixed | |
| buster, buster (lts) | 2.4.59-1~deb10u4 | fixed | |
| buster (security) | 2.4.59-1~deb10u1 | fixed | |
| bullseye | 2.4.62-1~deb11u1 | fixed | |
| bullseye (security) | 2.4.62-1~deb11u2 | fixed | |
| bookworm (security), bookworm | 2.4.62-1~deb12u2 | fixed | |
| sid, trixie | 2.4.62-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| apache2 | source | jessie | 2.4.10-10+deb8u20 | ELA-567-1 | ||
| apache2 | source | stretch | 2.4.25-3+deb9u12 | DLA-2907-1 | ||
| apache2 | source | buster | 2.4.38-3+deb10u7 | DSA-5035-1 | ||
| apache2 | source | bullseye | 2.4.52-1~deb11u2 | DSA-5035-1 | ||
| apache2 | source | (unstable) | 2.4.52-1 |
https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2021-44224
Fixed by: https://svn.apache.org/r1895955
Fixed by: https://svn.apache.org/r1896044