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GitHub Advisory DatabaseGHSA-C3CW-C387-PJ65

HistoryAug 25, 2021 - 8:43 p.m.

Double free in crossbeam

2021-08-2520:43:21

CWE-415

GitHub Advisory Database

github.com

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.002 Low

EPSS

Percentile

60.7%

JSON

Even if an element is popped from a queue, crossbeam would run its destructor inside the epoch-based garbage collector. This is a source of double frees.

The flaw was corrected by wrapping elements inside queues in a ManuallyDrop.

Affected configurations

Vulners

Node

crossbeam_projectcrossbeamRange<0.4.1

CPENameOperatorVersion
crossbeamlt0.4.1

CPE	Name	Operator	Version
	crossbeam	lt	0.4.1

References

github.com/advisories/GHSA-c3cw-c387-pj65

github.com/crossbeam-rs/crossbeam-epoch/issues/82

nvd.nist.gov/vuln/detail/CVE-2018-20996

rustsec.org/advisories/RUSTSEC-2018-0009.html

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.002 Low

EPSS

Percentile

60.7%

JSON

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