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cveMitreCVE-2019-20433
HistoryJan 27, 2020 - 3:15 p.m.

CVE-2019-20433

2020-01-2715:15:12
CWE-125
mitre
web.nvd.nist.gov
42
libaspell
buffer over-read
gnu aspell
cve-2019-20433
nvd

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

9

Confidence

High

EPSS

0.002

Percentile

60.7%

libaspell.a in GNU Aspell before 0.60.8 has a buffer over-read for a string ending with a single ‘\0’ byte, if the encoding is set to ucs-2 or ucs-4 outside of the application, as demonstrated by the ASPELL_CONF environment variable.

Affected configurations

Nvd
Node
gnuaspellRange<0.60.8
VendorProductVersionCPE
gnuaspell*cpe:2.3:a:gnu:aspell:*:*:*:*:*:*:*:*

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

9

Confidence

High

EPSS

0.002

Percentile

60.7%