CVE-2018-10545

NameCVE-2018-10545
DescriptionAn issue was discovered in PHP before 5.6.35, 7.0.x before 7.0.29, 7.1.x before 7.1.16, and 7.2.x before 7.2.4. Dumpable FPM child processes allow bypassing opcache access controls because fpm_unix.c makes a PR_SET_DUMPABLE prctl call, allowing one user (in a multiuser environment) to obtain sensitive information from the process memory of a second user's PHP applications by running gcore on the PID of the PHP-FPM worker process.
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-1373-1
NVD severitylow (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
php5 (PTS)jessie (security), jessie5.6.33+dfsg-0+deb8u1vulnerable
php7.0 (PTS)stretch (security), stretch7.0.27-0+deb9u1vulnerable
sid7.0.29-1fixed
php7.1 (PTS)buster, sid7.1.16-1fixed
php7.2 (PTS)buster, sid7.2.4-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
php5source(unstable)(unfixed)low
php5sourcewheezy5.4.45-0+deb7u14lowDLA-1373-1
php7.0source(unstable)7.0.29-1low
php7.1source(unstable)7.1.16-1low
php7.2source(unstable)7.2.4-1low

Notes

Fixed in 5.6.35, 7.0.29, 7.1.16, 7.2.4
PHP Bug: https://bugs.php.net/bug.php?id=75605

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