CVE-2016-2781

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Summary

CVECVE-2016-2781
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-02-07 15:59:00 UTC
Updated2025-06-09 16:15:25 UTC
Descriptionchroot in GNU coreutils, when used with --userspec, allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer.

Risk And Classification

Primary CVSS: v3.1 4.6 MEDIUM from ADP

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Problem Types: CWE-20 | n/a | CWE-20 CWE-20 Improper Input Validation

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED4.6MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary4.6MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
3.0[email protected]Primary6.5MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
2.0[email protected]Primary2.1AV:L/AC:L/Au:N/C:N/I:P/A:N

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS v3.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
High
Availability
None

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Gnu Coreutils All All All All

Vendor Declared Affected Products

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

References

ReferenceSourceLinkTags
oss-security - Re: Re: CVE Request: util-linux runuser tty hijacking via TIOCSTI ioctl af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
oss-security - Re: CVE Request: util-linux runuser tty hijacking via TIOCSTI ioctl -- chroot af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685a... af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
Pony Mail! MITRE lists.apache.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 900195 CBL-Mariner Linux Security Update for coreutils 8.30
  • 901462 Common Base Linux Mariner (CBL-Mariner) Security Update for coreutils (6355-1)
  • 903691 Common Base Linux Mariner (CBL-Mariner) Security Update for coreutils (2576)
  • 906205 Common Base Linux Mariner (CBL-Mariner) Security Update for coreutils (2576-1)
  • 906319 Common Base Linux Mariner (CBL-Mariner) Security Update for coreutils (6355-2)

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