VDB-103273 · CVE-2017-10971 · BID 99546

X.org X Server X Event memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

A vulnerability was found in X.org X Server (affected version not known). It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component X Event Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In the X.Org X server before 2017-06-19, a user authenticated to an X Session could crash or execute code in the context of the X Server by exploiting a stack overflow in the endianness conversion of X Events.

The bug was discovered 07/07/2017. The weakness was presented 07/06/2017 by Marcus Meissner (Website). The advisory is shared at securityfocus.com. This vulnerability is known as CVE-2017-10971 since 07/06/2017. The attack can be launched remotely. A single authentication is required for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 101552 (Debian DLA-1026-1 : xorg-server security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196856 (Ubuntu Security Notification for Xorg-server, Xorg-server-hwe-16.04, Xorg-server-lts-xenial Vulnerabilities (USN-3362-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (101552). See 97342, 97343, 97344 and 97346 for similar entries.

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 101552
Nessus Name: Debian DLA-1026-1 : xorg-server security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703905
OpenVAS Name: Debian Security Advisory DSA 3905-1 (xorg-server - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: cgit.freedesktop.org

Timelineinfo

06/19/2017 🔍
07/06/2017 +17 days 🔍
07/06/2017 +0 days 🔍
07/06/2017 +0 days 🔍
07/06/2017 +0 days 🔍
07/07/2017 +1 days 🔍
07/07/2017 +0 days 🔍
07/17/2017 +10 days 🔍
12/12/2022 +1974 days 🔍

Sourcesinfo

Vendor: x.org

Advisory: securityfocus.com⛔
Researcher: Marcus Meissner
Status: Not defined

CVE: CVE-2017-10971 (🔍)
OVAL: 🔍

SecurityFocus: 99546 - X.Org X Server CVE-2017-10971 Stack Buffer Overflow Vulnerability

See also: 🔍

Entryinfo

Created: 07/07/2017 09:22
Updated: 12/12/2022 07:17
Changes: 07/07/2017 09:22 (73), 10/23/2019 20:38 (4), 12/12/2022 07:17 (4)
Complete: 🔍

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