Gentoo update for PHP



Published: 2017-02-21
Risk High
Patch available YES
Number of vulnerabilities 5
CVE-ID CVE-2016-10158
CVE-2016-10159
CVE-2016-10160
CVE-2016-10161
CVE-2016-9935
CWE-ID CWE-682
CWE-190
CWE-193
CWE-126
CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Gentoo Linux
Operating systems & Components / Operating system

Vendor Gentoo

Security Bulletin

This security bulletin contains information about 5 vulnerabilities.

1) Incorrect calculation

EUVDB-ID: #VU12905

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2016-10158

CWE-ID: CWE-682 - Incorrect Calculation

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in the exif_convert_any_to_int function in ext/exif/exif.c due to numeric errors. A remote attacker can submit specially crafted EXIF data that triggers an attempt to divide the minimum representable negative integer by -1 and cause the service to crash.

Mitigation

Update the affected packages.
dev-lang/php to version: 5.6.30

Vulnerable software versions

Gentoo Linux: All versions


CPE2.3 External links

http://security.gentoo.org/glsa/201702-29

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

2) Integer overflow

EUVDB-ID: #VU12906

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2016-10159

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in the phar_parse_pharfile function in ext/phar/phar.c due to integer overflow. A remote attacker can submit a truncated manifest entry in a PHAR archive and cause the service to crash.

Mitigation

Update the affected packages.
dev-lang/php to version: 5.6.30

Vulnerable software versions

Gentoo Linux: All versions


CPE2.3 External links

http://security.gentoo.org/glsa/201702-29

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

3) Off-by-one error

EUVDB-ID: #VU12907

Risk: High

CVSSv3.1:

CVE-ID: CVE-2016-10160

CWE-ID: CWE-193 - Off-by-one Error

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.

The weakness exists in the phar_parse_pharfile function in ext/phar/phar.c due to off-by-one error. A remote attacker can submit a specially crafted PHAR archive with an alias mismatch and cause the service to crash or execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation

Update the affected packages.
dev-lang/php to version: 5.6.30

Vulnerable software versions

Gentoo Linux: All versions


CPE2.3 External links

http://security.gentoo.org/glsa/201702-29

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

4) Buffer over-read

EUVDB-ID: #VU12908

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2016-10161

CWE-ID: CWE-126 - Buffer over-read

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in the object_common1 function in ext/standard/var_unserializer.c due to buffer over-read. A remote attacker can submit specially crafted serialized data that is mishandled in a finish_nested_data call and cause the service to crash.

Mitigation

Update the affected packages.
dev-lang/php to version: 5.6.30

Vulnerable software versions

Gentoo Linux: All versions


CPE2.3 External links

http://security.gentoo.org/glsa/201702-29

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

5) Out-of-bounds read

EUVDB-ID: #VU12903

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2016-9935

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in the php_wddx_push_element function in ext/wddx/wddx.c due to out-of-bounds read. A remote attacker can submit an empty boolean element in a wddxPacket XML document and cause the service to crash.

Mitigation

Update the affected packages.
dev-lang/php to version: 5.6.30

Vulnerable software versions

Gentoo Linux: All versions


CPE2.3 External links

http://security.gentoo.org/glsa/201702-29

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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