GNU Aspell up to 0.60.7 libaspell.a ASPELL_CONF out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

A vulnerability was found in GNU Aspell up to 0.60.7 and classified as critical. This issue affects an unknown code of the file libaspell.a. The manipulation of the argument ASPELL_CONF as part of a Environment Variable leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was published 01/27/2020. The identification of this vulnerability is CVE-2019-20433 since 01/27/2020. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

Upgrading to version 0.60.8 eliminates this vulnerability.

Similar entries are available at VDB-22039, VDB-143442 and VDB-179273.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 8.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Aspell 0.60.8

Timelineinfo

01/27/2020 🔍
01/27/2020 +0 days 🔍
01/27/2020 +0 days 🔍
03/26/2024 +1520 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: aspell.net
Status: Not defined

CVE: CVE-2019-20433 (🔍)
See also: 🔍

Entryinfo

Created: 01/27/2020 06:43 PM
Updated: 03/26/2024 02:21 PM
Changes: 01/27/2020 06:43 PM (39), 01/27/2020 06:48 PM (17), 03/26/2024 02:21 PM (18)
Complete: 🔍
Cache ID: 18:939:40

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