FreeBSD file and libmagic Module Denial of Service Vulnerability

FreeBSD file and libmagic Module Denial of Service Vulnerability

Release date:
Updated on:

Affected Systems:
FreeBSD
Description:
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CVE (CAN) ID: CVE-2012-1571
 
FreeBSD is a UNIX operating system and an important branch of Unix developed from BSD, javasbsd, and 4.4BSD. The file (1) utility can test the classification of file System Objects Based on the file system, magic number, and language. The libmagic (3) Library provides many features of file (1.
 
A denial of service vulnerability exists in versions earlier than file 5.11 and libmagic. Through a specially crafted CDF file, attackers can trigger out-of-bounds reading or indirect reference of invalid pointers, resulting in DOS.

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<* Source: vendor

Link: ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-14:16.file.asc
*>

Suggestion:
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Vendor patch:
 
FreeBSD
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FreeBSD has released a Security Bulletin (FreeBSD-SA-14: 16. file) and patches for this:
FreeBSD-SA-14: 16. file: Multiple vulnerabilities in file (1) and libmagic (3)
Link: ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-14:16.file.asc

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