CVE-2016-4538

原文の説明

The bcpowmod function in ext/bcmath/bcmath.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 modifies certain data structures without considering whether they are copies of the _zero_, _one_, or _two_ global variable, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted call.

影響を受けるソフトウェア

• PHP = 7.0.2= 7.0.3≤ 5.5.33= 7.0.5= 5.6.4= 5.6.18 完全一致

詳細

公開日

2016-05-22

最終更新

2024-08-06

CVSS ベクター

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

参考資料

• cve.org/CVE-2016-4538
• nvd.nist.gov/vuln/detail/CVE-2016-4538
• h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149
• lists.opensuse.org/opensuse-updates/2016-06/msg00027.html
• security.gentoo.org/glsa/201611-22
• bugs.php.net/bug.php?id=72093
• www.securityfocus.com/bid/90173
• rhn.redhat.com/errata/RHSA-2016-2750.html
• www.openwall.com/lists/oss-security/2016/05/05/21
• www.debian.org/security/2016/dsa-3602
• git.php.net/?p=php-src.git%3Ba=commit%3Bh=d650063a0457aec56364e4005a636dc6c401f9cd
• php.net/ChangeLog-5.php
• h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
• php.net/ChangeLog-7.php