| Name | CVE-2019-9675 |
| Description | An issue was discovered in PHP 7.x before 7.1.27 and 7.3.x before 7.3.3. phar_tar_writeheaders_int in ext/phar/tar.c has a buffer overflow via a long link value. NOTE: The vendor indicates that the link value is used only when an archive contains a symlink, which currently cannot happen: "This issue allows theoretical compromise of security, but a practical attack is usually impossible. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-4403-1, ELA-457-1 |
Vulnerable and fixed packages
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 | fixed |
| 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 |
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+deb8u14 | | ELA-457-1 | |
| php5 | source | (unstable) | (unfixed) | unimportant | | |
| php7.0 | source | stretch | 7.0.33-0+deb9u3 | | DSA-4403-1 | |
| php7.0 | source | (unstable) | (unfixed) | unimportant | | |
| php7.3 | source | (unstable) | 7.3.3-1 | unimportant | | |
Notes
Fixed in 7.1.27, 7.3.3
PHP Bug: https://bugs.php.net/bug.php?id=77586