PT-2008-4915 · Freebsd · Freebsd

James Gritton · Published 2008-09-05 · Updated 2017-08-08 · CVE-2008-3531

Positive Technologies (AI Summary)

CVSS v2.0

6.9

Medium

Base vector

AV:L/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions FreeBSD versions 7.0 through 7.1

Description A stack-based buffer overflow issue exists in the kernel, specifically in sys/kern/vfs mount.c, when vfs.usermount is enabled. This allows local users to gain privileges via a crafted mount or nmount system call. The issue is related to the copying of user-defined data in certain error conditions.

Recommendations For FreeBSD versions 7.0 through 7.1, consider disabling the vfs.usermount option as a temporary workaround to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2008-3531

Affected Products

Freebsd

References · 6

• 🔥 https://exploit-db.com/exploits/9082 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2008-3531 · Security Note
• http://security.freebsd.org/advisories/FreeBSD-SA-08:08.nmount.asc · Vendor Advisory
• http://securityfocus.com/bid/31002 · Patch
• https://exchange.xforce.ibmcloud.com/vulnerabilities/45143 · Note
• http://securitytracker.com/id?1020816 · Note