Input validation error in php (Alpine package)

1) Input validation error

EUVDB-ID: #VU33696

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2011-4566

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 read the contents of arbitrary memory locations or cause a denial of service via a crafted offset_val value in an EXIF header in a JPEG file, a different vulnerability than CVE-2011-0708.

Mitigation

Install update from vendor's website.

Vulnerable software versions

php (Alpine package): 5.3.8-r1 - 5.3.8-r2

CPE2.3

• cpe:2.3:o:alpine:php_alpine_package:5.3.8-r1:*:*:*:*:alpine_linux:*:2.1
• cpe:2.3:o:alpine:php_alpine_package:5.3.8-r2:*:*:*:*:alpine_linux:*:2.3

External links

https://git.alpinelinux.org/aports/commit/?id=c3ecce54d441be0ba98b7ea7a7405029130e5f98
https://git.alpinelinux.org/aports/commit/?id=9b059ee8e65cc8f4d907eae548e92b849b680e5d
https://git.alpinelinux.org/aports/commit/?id=c3fd601a1366a7d9df16946d0f48234467c98930

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.