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Debian Security Bug TrackerDEBIANCVE:CVE-2020-6838

HistoryJan 11, 2020 - 3:15 a.m.

CVE-2020-6838

2020-01-1103:15:10

Debian Security Bug Tracker

security-tracker.debian.org

CVSS2

7.5

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.007

Percentile

79.7%

JSON

In mruby 2.1.0, there is a use-after-free in hash_values_at in mrbgems/mruby-hash-ext/src/hash-ext.c.

OSVersionArchitecturePackageVersionFilename
Debian12allmruby< 3.1.0-3mruby_3.1.0-3_all.deb
Debian11allmruby< 2.1.2-3mruby_2.1.2-3_all.deb
Debian999allmruby< 3.3.0-1mruby_3.3.0-1_all.deb
Debian13allmruby< 3.3.0-1mruby_3.3.0-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	mruby	< 3.1.0-3	mruby_3.1.0-3_all.deb
Debian	11	all	mruby	< 2.1.2-3	mruby_2.1.2-3_all.deb
Debian	999	all	mruby	< 3.3.0-1	mruby_3.3.0-1_all.deb
Debian	13	all	mruby	< 3.3.0-1	mruby_3.3.0-1_all.deb

CVSS2

7.5

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.007

Percentile

79.7%

JSON

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