X.org X11 up to 1.20.9 XkbSetDeviceInfo heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in X.org X11 up to 1.20.9. The affected element is the function XkbSetDeviceInfo. Executing a manipulation can lead to heap-based overflow. This vulnerability appears as CVE-2020-25712. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in X.org X11 up to 1.20.9 (Windowing System Software). This vulnerability affects the function XkbSetDeviceInfo. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 12/15/2020. The advisory is shared for download at bugzilla.redhat.com. This vulnerability was named CVE-2020-25712. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 236625 (Alibaba Cloud Linux 3 : 0114: userspace graphics, xorg-x11, and mesa (ALINUX3-SA-2022:0114)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.20.10 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (236625). Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 236625
Nessus Name: Alibaba Cloud Linux 3 : 0114: userspace graphics, xorg-x11, and mesa (ALINUX3-SA-2022:0114)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: X11 1.20.10

Timelineinfo

09/16/2020 🔍
12/15/2020 +90 days 🔍
12/15/2020 +0 days 🔍
05/20/2025 +1616 days 🔍

Sourcesinfo

Vendor: x.org

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2020-25712 (🔍)
GCVE (CVE): GCVE-0-2020-25712
GCVE (VulDB): GCVE-100-166348

Entryinfo

Created: 12/15/2020 22:21
Updated: 05/20/2025 00:34
Changes: 12/15/2020 22:21 (39), 12/18/2020 14:14 (5), 12/18/2020 14:18 (18), 05/20/2025 00:34 (17)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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