Integer overflow in php (Alpine package)

1) Integer overflow

EUVDB-ID: #VU3891

Risk: Low

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2014-3587

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 due to integer overflow in the cdf_read_property_info function in cdf.c in file through 5.19, as used in the Fileinfo component in PHP before 5.4.32 and 5.5.x before 5.5.16. A remote attacker can trigger memory corruption via a crafted CDF fileand cause the service to crash.

Mitigation

Install update from vendor's website.

Vulnerable software versions

php (Alpine package): 5.5.14-r0 - 5.5.15-r0

CPE2.3

• cpe:2.3:a:alpine:php_alpine_package:5.5.14-r0:*:*:*:*:alpine_linux:*:2.6
• cpe:2.3:a:alpine:php_alpine_package:5.5.15-r0:*:*:*:*:alpine_linux:*:2.7

External links

https://git.alpinelinux.org/aports/commit/?id=e43d903639e7be758857809128fee4f9c3d6f95f
https://git.alpinelinux.org/aports/commit/?id=c185e52d06208049c6776f7e80cd0bc81bfbb1f2

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.