CVE-2020-7067

NameCVE-2020-7067
DescriptionIn PHP versions 7.2.x below 7.2.30, 7.3.x below 7.3.17 and 7.4.x below 7.4.5, if PHP is compiled with EBCDIC support (uncommon), urldecode() function can be made to access locations past the allocated memory, due to erroneously using signed numbers as array indexes.
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-2188-1, DSA-4717-1, DSA-4719-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
php7.0 (PTS)stretch7.0.33-0+deb9u8fixed
stretch (security)7.0.33-0+deb9u10fixed
php7.3 (PTS)buster, buster (security)7.3.19-1~deb10u1fixed
php7.4 (PTS)bullseye, sid7.4.11-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
php5sourcejessie5.6.40+dfsg-0+deb8u11DLA-2188-1
php5source(unstable)(unfixed)unimportant
php7.0sourcestretch7.0.33-0+deb9u8DSA-4717-1
php7.0source(unstable)(unfixed)unimportant
php7.3sourcebuster7.3.19-1~deb10u1DSA-4719-1
php7.3source(unstable)(unfixed)unimportant
php7.4source(unstable)7.4.5-1unimportant

Notes

Fixed in PHP 7.4.5, 7.3.17
PHP Bug: https://bugs.php.net/79465
https://git.php.net/?p=php-src.git;a=commit;h=9d6bf8221b05f86ce5875832f0f646c4c1f218be
This only affects builds which enable EDBDIC

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