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ubuntucveUbuntu.comUB:CVE-2019-20433
HistoryJan 27, 2020 - 12:00 a.m.

CVE-2019-20433

2020-01-2700:00:00
ubuntu.com
ubuntu.com
9

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

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.

Bugs

Notes

Author Note
leosilva the fix proposed can potentially break applications that depends on it.
mdeslaur need to regenerate files after applying patch, see debian bug.
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchaspell< anyUNKNOWN
ubuntu14.04noarchaspell< anyUNKNOWN

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

EPSS

0.002

Percentile

60.7%