CVE-2016-6559

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Summary

CVECVE-2016-6559
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2018-07-13 20:29:00 UTC
Updated2019-10-09 23:19:00 UTC
DescriptionImproper bounds checking of the obuf variable in the link_ntoa() function in linkaddr.c of the BSD libc library may allow an attacker to read or write from memory. The full impact and severity depends on the method of exploit and how the library is used by applications. According to analysis by FreeBSD developers, it is very unlikely that applications exist that utilize link_ntoa() in an exploitable manner, and the CERT/CC is not aware of any proof of concept. A blog post describes the functionality of link_ntoa() and points out that none of the base utilities use this function in an exploitable manner. For more information, please see FreeBSD Security Advisory SA-16:37.

Risk And Classification

Problem Types: CWE-119

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Freebsd Freebsd 10.1 All All All
Operating System Freebsd Freebsd 10.2 All All All
Operating System Freebsd Freebsd 10.3 All All All
Operating System Freebsd Freebsd 11.0 All All All
Operating System Freebsd Freebsd 9.3 All All All
Operating System Freebsd Freebsd 10.1 All All All
Operating System Freebsd Freebsd 10.2 All All All
Operating System Freebsd Freebsd 10.3 All All All
Operating System Freebsd Freebsd 11.0 All All All
Operating System Freebsd Freebsd 9.3 All All All

References

ReferenceSourceLinkTags
Vulnerability Note VU#548487 - BSD libc contains a buffer overflow vulnerability CERT-VN www.kb.cert.org Third Party Advisory, US Government Resource
BSD libc CVE-2016-6559 Stack Buffer Overflow Vulnerability BID www.securityfocus.com Third Party Advisory, VDB Entry
FreeBSD-SA-16:37 FREEBSD www.freebsd.org Vendor Advisory
libc link_ntoa() Buffer Overflow Lets Users Execute Arbitrary Code - SecurityTracker SECTRACK www.securitytracker.com Third Party Advisory, VDB Entry
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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