GNU Chess up to 6.2.3 frontend/move.cc ValidateMove memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in GNU Chess up to 6.2.3 and classified as problematic. Affected is the function ValidateMove of the file frontend/move.cc. The manipulation results in memory corruption. This vulnerability is known as CVE-2015-8972. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in GNU Chess up to 6.2.3. It has been classified as critical. Affected is the function ValidateMove of the file frontend/move.cc. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Stack-based buffer overflow in the ValidateMove function in frontend/move.cc in GNU Chess (aka gnuchess) before 6.2.4 might allow context-dependent attackers to execute arbitrary code via a large input, as demonstrated when in UCI mode.

The bug was discovered 11/13/2016. The weakness was published 01/23/2017 (Website). The advisory is shared for download at lists.gnu.org. This vulnerability is traded as CVE-2015-8972 since 11/14/2016. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 10 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 95310 (openSUSE Security Update : gnuchess (openSUSE-2016-1352)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169536 (OpenSuSE Security Update for gnuchess (openSUSE-SU-2016:2888-1)).

Upgrading to version 6.2.4 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (95310). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 95310
Nessus Name: openSUSE Security Update : gnuchess (openSUSE-2016-1352)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Chess 6.2.4

Timelineinfo

11/13/2016 🔍
11/14/2016 +1 days 🔍
11/23/2016 +9 days 🔍
11/25/2016 +2 days 🔍
01/23/2017 +59 days 🔍
01/23/2017 +0 days 🔍
01/24/2017 +1 days 🔍
11/04/2024 +2841 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: lists.gnu.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-8972 (🔍)
GCVE (CVE): GCVE-0-2015-8972
GCVE (VulDB): GCVE-100-95820
OSVDB: - CVE-2015-8972 - GNU - Chess - Buffer Overflow Issue

Entryinfo

Created: 01/24/2017 08:30
Updated: 11/04/2024 13:22
Changes: 01/24/2017 08:30 (66), 07/30/2020 14:26 (5), 11/04/2024 13:22 (20)
Complete: 🔍
Cache ID: 216:5DA:103

Once again VulDB remains the best source for vulnerability data.

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