漏洞描述
Use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.37, 5.5.x before 5.5.21, and 5.6.x before 5.6.5 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages improper handling of duplicate numerical keys within the serialized properties of an object. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-8142.
影响产品
修复建议
建议关注厂商安全公告，及时升级至已修复版本，并结合实际资产暴露情况采取缓解措施。
参考链接
security.gentoo.orghttps://security.gentoo.org/glsa/201606-10↗lists.apple.comhttp://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html↗www.securityfocus.comhttp://www.securityfocus.com/bid/72539↗www.debian.orghttp://www.debian.org/security/2015/dsa-3195↗rhn.redhat.comhttp://rhn.redhat.com/errata/RHSA-2015-1066.html↗advisories.mageia.orghttp://advisories.mageia.org/MGASA-2015-0040.html↗lists.opensuse.orghttp://lists.opensuse.org/opensuse-updates/2015-02/msg00079.html↗rhn.redhat.comhttp://rhn.redhat.com/errata/RHSA-2015-1053.html↗marc.infohttp://marc.info/?l=bugtraq&m=143748090628601&w=2↗www.oracle.comhttp://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html↗bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1185397↗rhn.redhat.comhttp://rhn.redhat.com/errata/RHSA-2015-1135.html↗marc.infohttp://marc.info/?l=bugtraq&m=144050155601375&w=2↗www.php.nethttp://www.php.net/ChangeLog-5.php↗www.mandriva.comhttp://www.mandriva.com/security/advisories?name=MDVSA-2015:032↗marc.infohttp://marc.info/?l=bugtraq&m=143403519711434&w=2↗lists.opensuse.orghttp://lists.opensuse.org/opensuse-security-announce/2015-02/msg00029.html↗support.apple.comhttps://support.apple.com/HT205267↗security.gentoo.orghttps://security.gentoo.org/glsa/201503-03↗www.oracle.comhttp://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html↗bugs.php.nethttps://bugs.php.net/bug.php?id=68710↗github.comhttps://github.com/php/php-src/commit/b585a3aed7880a5fa5c18e2b838fc96f40e075bd↗www.mandriva.comhttp://www.mandriva.com/security/advisories?name=MDVSA-2015:079↗