CVE-2016-4070

NameCVE-2016-4070
Description** DISPUTED ** Integer overflow in the php_raw_url_encode function in ext/standard/url.c in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 allows remote attackers to cause a denial of service (application crash) via a long string to the rawurlencode function. NOTE: the vendor says "Not sure if this qualifies as security issue (probably not)."
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-499-1, DSA-3560-1
NVD severitymedium (attack range: remote)
Debian Bugs835032

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
hhvm (PTS)buster, sid3.21.0+dfsg-2fixed
php5 (PTS)wheezy5.4.45-0+deb7u2vulnerable
wheezy (security)5.4.45-0+deb7u11fixed
jessie (security), jessie5.6.30+dfsg-0+deb8u1fixed
php7.0 (PTS)stretch7.0.19-1fixed
buster, sid7.0.22-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
hhvmsource(unstable)3.12.11+dfsg-1medium835032
php5source(unstable)5.6.20+dfsg-1medium
php5sourcejessie5.6.20+dfsg-0+deb8u1mediumDSA-3560-1
php5sourcewheezy5.4.45-0+deb7u3mediumDLA-499-1
php7.0source(unstable)7.0.5-1medium

Notes

Fixed in 7.0.5, 5.6.20, 5.5.34
https://bugs.php.net/bug.php?id=71798
https://git.php.net/?p=php-src.git;a=commit;h=95433e8e339dbb6b5d5541473c1661db6ba2c451
http://www.openwall.com/lists/oss-security/2016/04/11/7
Fix in HHVM: https://github.com/facebook/hhvm/commit/ea6ff01f6c31f1615a935ef96622d623a6277d37

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