CVE-2020-7461

Summary

CVECVE-2020-7461
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-03-26 21:15:00 UTC
Updated2021-09-16 16:03:00 UTC
DescriptionIn FreeBSD 12.1-STABLE before r365010, 11.4-STABLE before r365011, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, dhclient(8) fails to handle certain malformed input related to handling of DHCP option 119 resulting a heap overflow. The heap overflow could in principle be exploited to achieve remote code execution. The affected process runs with reduced privileges in a Capsicum sandbox, limiting the immediate impact of an exploit.

Risk And Classification

Problem Types: CWE-787

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Freebsd Freebsd 11.3 - All All
Operating System Freebsd Freebsd 11.3 p1 All All
Operating System Freebsd Freebsd 11.3 p10 All All
Operating System Freebsd Freebsd 11.3 p11 All All
Operating System Freebsd Freebsd 11.3 p12 All All
Operating System Freebsd Freebsd 11.3 p2 All All
Operating System Freebsd Freebsd 11.3 p3 All All
Operating System Freebsd Freebsd 11.3 p4 All All
Operating System Freebsd Freebsd 11.3 p5 All All
Operating System Freebsd Freebsd 11.3 p6 All All
Operating System Freebsd Freebsd 11.3 p7 All All
Operating System Freebsd Freebsd 11.3 p8 All All
Operating System Freebsd Freebsd 11.3 p9 All All
Operating System Freebsd Freebsd 11.4 - All All
Operating System Freebsd Freebsd 11.4 p1 All All
Operating System Freebsd Freebsd 11.4 p2 All All
Operating System Freebsd Freebsd 12.1 - All All
Operating System Freebsd Freebsd 12.1 p1 All All
Operating System Freebsd Freebsd 12.1 p2 All All
Operating System Freebsd Freebsd 12.1 p3 All All
Operating System Freebsd Freebsd 12.1 p4 All All
Operating System Freebsd Freebsd 12.1 p5 All All
Operating System Freebsd Freebsd 12.1 p6 All All
Operating System Freebsd Freebsd 12.1 p7 All All
Operating System Freebsd Freebsd 12.1 p8 All All
Hardware Siemens Simatic Rf350m - All All All
Operating System Siemens Simatic Rf350m Firmware All All All All
Hardware Siemens Simatic Rf650m - All All All
Operating System Siemens Simatic Rf650m Firmware All All All All

References

ReferenceSourceLinkTags
security.FreeBSD.org/advisories/FreeBSD-SA-20:26.dhclient.asc MISC security.FreeBSD.org
cert-portal.siemens.com/productcert/pdf/ssa-288459.pdf MISC cert-portal.siemens.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 376806 NetApp Clustered Data Open Network Technology for Appliance Products (ONTAP) Sensitive Information Disclosure Vulnerability (NTAP-20201016-0002)
  • 590693 Siemens SIMATIC RFID Vulnerability (ICSA-21-257-11)
  • 690533 Free Berkeley Software Distribution (FreeBSD) Security Update for Free Berkeley Software Distribution (FreeBSD) (762b7d4a-ec19-11ea-88f8-901b0ef719ab)
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