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FreebsdCVE-2020-25582

HistoryMar 26, 2021 - 9:15 p.m.

CVE-2020-25582

2021-03-2621:15:12

CWE-362

freebsd

web.nvd.nist.gov

cve-2020-25582

freebsd

jail_attach

ptrace

security vulnerability

nvd

CVSS2

8.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

NONE

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

CVSS3

8.7

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

8.5

Confidence

High

EPSS

0.001

Percentile

28.4%

JSON

In FreeBSD 12.2-STABLE before r369334, 11.4-STABLE before r369335, 12.2-RELEASE before p4 and 11.4-RELEASE before p8 when a process, such as jexec(8) or killall(1), calls jail_attach(2) to enter a jail, the jailed root can attach to it using ptrace(2) before the current working directory is changed.

Affected configurations

Nvd

Node

freebsdfreebsdMatch11.4-

freebsdfreebsdMatch11.4p1

freebsdfreebsdMatch11.4p2

freebsdfreebsdMatch11.4p3

freebsdfreebsdMatch11.4p4

freebsdfreebsdMatch11.4p5

freebsdfreebsdMatch11.4p6

freebsdfreebsdMatch11.4p7

freebsdfreebsdMatch12.2-

freebsdfreebsdMatch12.2p1

freebsdfreebsdMatch12.2p2

freebsdfreebsdMatch12.2p3

VendorProductVersionCPE
freebsdfreebsd11.4cpe:2.3:o:freebsd:freebsd:11.4:-:*:*:*:*:*:*
freebsdfreebsd11.4cpe:2.3:o:freebsd:freebsd:11.4:p1:*:*:*:*:*:*
freebsdfreebsd11.4cpe:2.3:o:freebsd:freebsd:11.4:p2:*:*:*:*:*:*
freebsdfreebsd11.4cpe:2.3:o:freebsd:freebsd:11.4:p3:*:*:*:*:*:*
freebsdfreebsd11.4cpe:2.3:o:freebsd:freebsd:11.4:p4:*:*:*:*:*:*
freebsdfreebsd11.4cpe:2.3:o:freebsd:freebsd:11.4:p5:*:*:*:*:*:*
freebsdfreebsd11.4cpe:2.3:o:freebsd:freebsd:11.4:p6:*:*:*:*:*:*
freebsdfreebsd11.4cpe:2.3:o:freebsd:freebsd:11.4:p7:*:*:*:*:*:*
freebsdfreebsd12.2cpe:2.3:o:freebsd:freebsd:12.2:-:*:*:*:*:*:*
freebsdfreebsd12.2cpe:2.3:o:freebsd:freebsd:12.2:p1:*:*:*:*:*:*

Vendor	Product	Version	CPE
freebsd	freebsd	11.4	cpe:2.3:o:freebsd:freebsd:11.4:-::::::
freebsd	freebsd	11.4	cpe:2.3:o:freebsd:freebsd:11.4:p1::::::
freebsd	freebsd	11.4	cpe:2.3:o:freebsd:freebsd:11.4:p2::::::
freebsd	freebsd	11.4	cpe:2.3:o:freebsd:freebsd:11.4:p3::::::
freebsd	freebsd	11.4	cpe:2.3:o:freebsd:freebsd:11.4:p4::::::
freebsd	freebsd	11.4	cpe:2.3:o:freebsd:freebsd:11.4:p5::::::
freebsd	freebsd	11.4	cpe:2.3:o:freebsd:freebsd:11.4:p6::::::
freebsd	freebsd	11.4	cpe:2.3:o:freebsd:freebsd:11.4:p7::::::
freebsd	freebsd	12.2	cpe:2.3:o:freebsd:freebsd:12.2:-::::::
freebsd	freebsd	12.2	cpe:2.3:o:freebsd:freebsd:12.2:p1::::::

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CNA Affected

[
  {
    "product": "FreeBSD",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "FreeBSD 12.2-RELEASE before p4, 11.4-RELEASE before p8"
      }
    ]
  }
]

References

security.FreeBSD.org/advisories/FreeBSD-SA-21:05.jail_chdir.asc

security.netapp.com/advisory/ntap-20210423-0003/

Social References

CVSS2

8.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

NONE

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

CVSS3

8.7

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

8.5

Confidence

High

EPSS

0.001

Percentile

28.4%

JSON

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