CVE-2016-4537
published 2016-05-22CVE-2016-4537: 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 accepts a negative integer for the scale argument…
PriorityP341critical9.8CVSS 3.0
AVNACLPRNUINSUCHIHAH
EPSS
5.87%
92.4th percentile
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 accepts a negative integer for the scale argument, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted call.
Affected
31 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| fedoraproject | fedora | — | — |
| opensuse | leap | — | — |
| php | php | <= 5.5.34 | — |
| php | php | — | — |
| php | php | — | — |
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CVSS provenance
nvdv3.09.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
osv9.8CRITICAL
vendor_redhat9.8CRITICAL
vendor_ubuntu7.3HIGH
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Ubuntu
PHP vulnerabilities
vendor_ubuntu·2016-05-24·CVSS 7.3
CVE-2015-8865 [HIGH] PHP vulnerabilities
Title: PHP vulnerabilities
Summary: Several security issues were fixed in PHP.
It was discovered that the PHP Fileinfo component incorrectly handled
certain magic files. An attacker could use this issue to cause PHP to
crash, resulting in a denial of service, or possibly execute arbitrary
code. This issue only affected Ubuntu 16.04 LTS. (CVE-2015-8865)
Hans Jerry Illikainen discovered that the PHP Zip extension incorrectly
handled certain malformed Zip archives. A remote attacker could use this
issue to cause PHP to crash, resulting in a denial of service, or possibly
execute arbitrary code. This issue only affected Ubuntu 16.04 LTS.
(CVE-2016-3078)
It was discovered that PHP incorrectly handled invalid indexes in the
SplDoublyLinkedList class. An attacker could use this issue to cause
Red Hat
php: bcpowmod accepts negative scale causing heap buffer overflow corrupting _one_ definition
vendor_redhat·2016-04-24·CVSS 9.8
CVE-2016-4537 [CRITICAL] CWE-122 php: bcpowmod accepts negative scale causing heap buffer overflow corrupting _one_ definition
php: bcpowmod accepts negative scale causing heap buffer overflow corrupting _one_ definition
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 accepts a negative integer for the scale argument, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted call.
Package: php (Red Hat Enterprise Linux 5) - Will not fix
Package: php53 (Red Hat Enterprise Linux 5) - Will not fix
Package: php (Red Hat Enterprise Linux 6) - Will not fix
Package: php (Red Hat Enterprise Linux 7) - Will not fix
Package: php54-php (Red Hat Software Collections) - Will not fix
Package: php55-php (Red Hat Software Collections) - Will not fix
GHSA
GHSA-6gpx-5j98-8jjg: The bcpowmod function in ext/bcmath/bcmath
ghsa_unreviewed·2022-05-14
CVE-2016-4537 [CRITICAL] CWE-20 GHSA-6gpx-5j98-8jjg: The bcpowmod function in ext/bcmath/bcmath
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 accepts a negative integer for the scale argument, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted call.
OSV
php5, php7.0 vulnerabilities
osv·2016-05-24·CVSS 7.3
CVE-2015-8865 [HIGH] php5, php7.0 vulnerabilities
php5, php7.0 vulnerabilities
It was discovered that the PHP Fileinfo component incorrectly handled
certain magic files. An attacker could use this issue to cause PHP to
crash, resulting in a denial of service, or possibly execute arbitrary
code. This issue only affected Ubuntu 16.04 LTS. (CVE-2015-8865)
Hans Jerry Illikainen discovered that the PHP Zip extension incorrectly
handled certain malformed Zip archives. A remote attacker could use this
issue to cause PHP to crash, resulting in a denial of service, or possibly
execute arbitrary code. This issue only affected Ubuntu 16.04 LTS.
(CVE-2016-3078)
It was discovered that PHP incorrectly handled invalid indexes in the
SplDoublyLinkedList class. An attacker could use this issue to cause PHP to
crash, resulting in a denial of service, or
OSV
CVE-2016-4537: The bcpowmod function in ext/bcmath/bcmath
osv·2016-05-06·CVSS 9.8
CVE-2016-4537 [CRITICAL] CVE-2016-4537: The bcpowmod function in ext/bcmath/bcmath
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 accepts a negative integer for the scale argument, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted call.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2016-4537 CVE-2016-4538 CVE-2016-4539 CVE-2016-4540 CVE-2016-4541 CVE-2016-4542 CVE-2016-4543 CVE-2016-4544 php: various flaws [fedora-all]
bugzilla·2016-05-04·CVSS 9.8
CVE-2016-4537 [CRITICAL] CVE-2016-4537 CVE-2016-4538 CVE-2016-4539 CVE-2016-4540 CVE-2016-4541 CVE-2016-4542 CVE-2016-4543 CVE-2016-4544 php: various flaws [fedora-all]
CVE-2016-4537 CVE-2016-4538 CVE-2016-4539 CVE-2016-4540 CVE-2016-4541 CVE-2016-4542 CVE-2016-4543 CVE-2016-4544 php: various flaws [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of Fedora.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit
Bugzilla
CVE-2016-4537 CVE-2016-4538 php: bcpowmod accepts negative scale causing heap buffer overflow corrupting _one_ definition
bugzilla·2016-05-04·CVSS 9.8
CVE-2016-4537 [CRITICAL] CVE-2016-4537 CVE-2016-4538 php: bcpowmod accepts negative scale causing heap buffer overflow corrupting _one_ definition
CVE-2016-4537 CVE-2016-4538 php: bcpowmod accepts negative scale causing heap buffer overflow corrupting _one_ definition
It was found that bcpowmod accepts negative scale causing heap buffer overflow, which corrupts _one_ definition.
Upstream bug:
https://bugs.php.net/bug.php?id=72093
Upstream patch:
https://git.php.net/?p=php-src.git;a=commit;h=ed52bcb3dcb2e7dbc009ef8c6579fb1276ca73c1
Discussion:
Created php tracking bugs for this issue:
Affects: fedora-all [bug 1332882]
---
As per CVE assignment:
http://seclists.org/oss-sec/2016/q2/259
Use CVE-2016-4537 for "bcpowmod accepting negative scale."
Use CVE-2016-4538 for "_one_ definition being overridden by scale adjustment."
---
php-5.6.21-1.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, p
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183736.htmlhttp://lists.opensuse.org/opensuse-updates/2016-05/msg00086.htmlhttp://lists.opensuse.org/opensuse-updates/2016-06/msg00027.htmlhttp://php.net/ChangeLog-5.phphttp://php.net/ChangeLog-7.phphttp://rhn.redhat.com/errata/RHSA-2016-2750.htmlhttp://www.debian.org/security/2016/dsa-3602http://www.openwall.com/lists/oss-security/2016/05/05/21http://www.securityfocus.com/bid/90173https://bugs.php.net/bug.php?id=72093https://git.php.net/?p=php-src.git%3Ba=commit%3Bh=d650063a0457aec56364e4005a636dc6c401f9cdhttps://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722https://security.gentoo.org/glsa/201611-22http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183736.htmlhttp://lists.opensuse.org/opensuse-updates/2016-05/msg00086.htmlhttp://lists.opensuse.org/opensuse-updates/2016-06/msg00027.htmlhttp://php.net/ChangeLog-5.phphttp://php.net/ChangeLog-7.phphttp://rhn.redhat.com/errata/RHSA-2016-2750.htmlhttp://www.debian.org/security/2016/dsa-3602http://www.openwall.com/lists/oss-security/2016/05/05/21http://www.securityfocus.com/bid/90173https://bugs.php.net/bug.php?id=72093https://git.php.net/?p=php-src.git%3Ba=commit%3Bh=d650063a0457aec56364e4005a636dc6c401f9cdhttps://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722https://security.gentoo.org/glsa/201611-22
2016-05-22
Published