Home/CVE/Multiple integer signedness errors in smb_subr.c in the netsmb module in the kernel in NetBSD 5.0.2 and earlier, FreeBSD
CVE

CVE-2010-2530

Multiple integer signedness errors in smb_subr.c in the netsmb module in the kernel in NetBSD 5.0.2 and earlier, FreeBSD

Multiple integer signedness errors in smb_subr.c in the netsmb module in the kernel in NetBSD 5.0.2 and earlier, FreeBSD, and Apple Mac OS X allow local users to cause a denial of service (panic) via a negative size value in a /dev/nsmb ioctl operation, as demonstrated by a (1) SMBIOC_LOOKUP or (2) SMBIOC_OPENSESSION ioctl call.

MEDIUM · CVSS 4.9 EPSS 0.00042
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
▤

Affected Products & Versions

4
netbsd<= 5.0.2
netbsdall versions
apple mac os xall versions
freebsdall versions
▣

Scoring & Timeline

4.9
MEDIUM · CVSS v2 (legacy) · secalert@redhat.com
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This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:L/AC:L/Au:N/C:N/I:N/A:C
Published to NVD29 Sep 2010 · 05:00 PM
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References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/netsmb/smb_subr.c.diff?r1=1.34&r2=1.35&only_with_tag=MAIN&f=h
http://www.openwall.com/lists/oss-security/2010/07/12/6
http://www.openwall.com/lists/oss-security/2010/07/16/2
http://www.securityfocus.com/bid/41557
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