CVE-2013-2171

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Summary

CVECVE-2013-2171
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2013-07-02 03:43:33 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe vm_map_lookup function in sys/vm/vm_map.c in the mmap implementation in the kernel in FreeBSD 9.0 through 9.1-RELEASE-p4 does not properly determine whether a task should have write access to a memory location, which allows local users to bypass filesystem write permissions and consequently gain privileges via a crafted application that leverages read permissions, and makes mmap and ptrace system calls.

Risk And Classification

Primary CVSS: v2.0 6.9 from [email protected]

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

Problem Types: CWE-264 | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Freebsd Freebsd 9.0 All All All
Operating System Freebsd Freebsd 9.1 All All All
Operating System Freebsd Freebsd 9.1 p4 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
www.freebsd.org/security/advisories/FreeBSD-SA-13:06.mmap.asc af854a3a-2127-422b-91ae-364da2661108 www.freebsd.org Vendor Advisory
[base] Revision 251901 af854a3a-2127-422b-91ae-364da2661108 svnweb.freebsd.org
Debian -- Security Information -- DSA-2714-1 kfreebsd-9 af854a3a-2127-422b-91ae-364da2661108 www.debian.org
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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