| Name | CVE-2023-0568 |
| Description | In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, core path resolution function allocate buffer one byte too small. When resolving paths with lengths close to system MAXPATHLEN setting, this may lead to the byte after the allocated buffer being overwritten with NUL value, which might lead to unauthorized data access or modification. |
| 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-3345-1, DSA-5363-1, ELA-848-1, ELA-849-1 |
| Debian Bugs | 1031368 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| php5 (PTS) | jessie, jessie (lts) | 5.6.40+dfsg-0+deb8u21 | fixed |
| php7.0 (PTS) | stretch (security) | 7.0.33-0+deb9u12 | vulnerable |
| stretch (lts), stretch | 7.0.33-0+deb9u19 | fixed | |
| php7.3 (PTS) | buster, buster (lts) | 7.3.31-1~deb10u8 | fixed |
| buster (security) | 7.3.31-1~deb10u7 | fixed | |
| php7.4 (PTS) | bullseye | 7.4.33-1+deb11u5 | fixed |
| bullseye (security) | 7.4.33-1+deb11u6 | fixed | |
| php8.2 (PTS) | bookworm (security), bookworm | 8.2.24-1~deb12u1 | fixed |
| sid, trixie | 8.2.24-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| php5 | source | jessie | 5.6.40+dfsg-0+deb8u17 | ELA-849-1 | ||
| php5 | source | (unstable) | (unfixed) | |||
| php7.0 | source | stretch | 7.0.33-0+deb9u14 | ELA-848-1 | ||
| php7.0 | source | (unstable) | (unfixed) | |||
| php7.3 | source | buster | 7.3.31-1~deb10u3 | DLA-3345-1 | ||
| php7.3 | source | (unstable) | (unfixed) | |||
| php7.4 | source | bullseye | 7.4.33-1+deb11u3 | DSA-5363-1 | ||
| php7.4 | source | (unstable) | (unfixed) | |||
| php8.2 | source | (unstable) | 8.2.4-1 | 1031368 |
PHP Bug: https://bugs.php.net/bug.php?id=81746
Fixed in: 8.2.3
https://github.com/php/php-src/commit/ec10b28d64decbc54aa1e585dce580f0bd7a5953