CVE-2020-7059

NameCVE-2020-7059
DescriptionWhen using fgetss() function to read data with stripping tags, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause this function to read past the allocated buffer. This may lead to information disclosure or crash.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2124-1, DSA-4626-1, DSA-4628-1, ELA-216-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
php5 (PTS)jessie, jessie (lts)5.6.40+dfsg-0+deb8u21fixed
php7.0 (PTS)stretch (security)7.0.33-0+deb9u12fixed
stretch (lts), stretch7.0.33-0+deb9u19fixed
php7.3 (PTS)buster, buster (lts)7.3.31-1~deb10u8fixed
buster (security)7.3.31-1~deb10u7fixed
php7.4 (PTS)bullseye7.4.33-1+deb11u5fixed
bullseye (security)7.4.33-1+deb11u7fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
php5sourcewheezy5.4.45-0+deb7u27ELA-216-1
php5sourcejessie5.6.40+dfsg-0+deb8u9DLA-2124-1
php5source(unstable)(unfixed)
php7.0sourcestretch7.0.33-0+deb9u7DSA-4628-1
php7.0source(unstable)(unfixed)
php7.3sourcebuster7.3.14-1~deb10u1DSA-4626-1
php7.3source(unstable)7.3.15-1
php7.4source(unstable)7.4.2-7

Notes

Fixed in PHP 7.4.2, 7.3.14, 7.2.27
PHP Bug: https://bugs.php.net/79099

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