FreeBSD procfs integer overflow/underflow
| freebsd-procfs-integer-overflow (13343) |  High Risk |
Description:
FreeBSD is vulnerable to an integer overflow or underflow, caused by a vulnerability in the procfs function. The procfs function implements a view of the system process table inside the file system. A local attacker could exploit this vulnerability to cause a system panic or gain elevated privileges on the system.
Consequences:
Gain Privileges
Remedy:
Upgrade to the latest version of FreeBSD (4-STABLE or RELENG_5_1, RELENG_4_8, or RELENG_4_7 security branch dated later than 2003-10-03), as listed in FreeBSD Security Advisory FreeBSD-SA-03:17.procfs. See References.
— OR —
Apply the patch for this vulnerability, as listed in FreeBSD Security Advisory FreeBSD-SA-03:17.procfs. See References.
References:
- FreeBSD Security Advisory FreeBSD-SA-03:17.procfs: kernel memory disclosure via procfs.
- Pine Digital Security Advisory PINE-CERT-20030902: Integer Overflow in FreeBSD Kernel.
- BID-8748: BSD Kernel ProcFS Handler UIO_Offset Integer Overflow Vulnerability
Platforms Affected:
- FreeBSD FreeBSD
Reported:
Oct 03, 2003
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For corrections or additions please email xforce@iss.net