Multiple vulnerabilities in PHP



| Updated: 2020-08-09
Risk High
Patch available NO
Number of vulnerabilities 2
CVE-ID CVE-2016-4343
CVE-2016-2554
CWE-ID CWE-20
CWE-121
Exploitation vector Network
Public exploit N/A
Vulnerable software
 PHP
Universal components / Libraries / Scripting languages

Vendor PHP Group

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU40278

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2016-4343

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows remote attackers to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (uninitialized pointer dereference) or possibly have unspecified other impact via a crafted TAR archive.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

PHP: 7.0.0 - 7.0.2

CPE2.3 External links

https://lists.opensuse.org/opensuse-updates/2016-05/msg00086.html
https://php.net/ChangeLog-5.php
https://php.net/ChangeLog-7.php
https://rhn.redhat.com/errata/RHSA-2016-2750.html
https://www.openwall.com/lists/oss-security/2016/04/28/2
https://www.securityfocus.com/bid/89179
https://bugs.php.net/bug.php?id=71331
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Stack-based buffer overflow

EUVDB-ID: #VU40283

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2016-2554

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing a crafted TAR archive. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

PHP: 5.6.0 - 7.0.2

CPE2.3 External links

https://lists.opensuse.org/opensuse-security-announce/2016-04/msg00052.html
https://lists.opensuse.org/opensuse-security-announce/2016-04/msg00056.html
https://lists.opensuse.org/opensuse-security-announce/2016-04/msg00058.html
https://php.net/ChangeLog-5.php
https://php.net/ChangeLog-7.php
https://rhn.redhat.com/errata/RHSA-2016-2750.html
https://www.ubuntu.com/usn/USN-2952-1
https://www.ubuntu.com/usn/USN-2952-2
https://bugs.php.net/bug.php?id=71488
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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