Vulnerability identifier: #VU16103
Vulnerability 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:
CWE-ID:
CWE-125
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
file
Universal components / Libraries /
Libraries used by multiple products
Vendor: Ian F. Darwin
Description
The vulnerability allows a remote attacker to cause DoS condition.
The vulnerability exists due to the mconvert function in softmagic.c in file before 5.21, as used in the Fileinfo component in PHP before 5.4.37, 5.5.x before 5.5.21, and 5.6.x before 5.6.5, does not properly handle a certain string-length field during a copy of a truncated version of a Pascal string. A remote attacker can cause out-of-bounds memory access and application crash via a crafted file.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
file: 5.00 - 5.20
External links
https://github.com/file/file/commit/59e63838913eee47f5c120a6c53d4565af638158
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.