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Debian Linux CVE-2014-8094

MEDIUM
Integer Overflow or Wraparound (CWE-190)
2014-12-10 secalert@redhat.com
6.5
CVSS 2.0 · NVD
View

Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Integer overflow checks
MITRE ATT&CK

1 technique across 1 tactic: Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 6.5 (MEDIUM). Attack characteristics: network attack vector, low complexity. EPSS exploitation probability: 1.04%.

Exploit ScenarioDerived

A remote attacker could cause unexpected behavior through arithmetic overflow by sending crafted requests to the affected application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 1.0% exploitation probability (EPSS)

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AnalysisAI

Integer overflow in the ProcDRI2GetBuffers function in the DRI2 extension in X.Org Server (aka xserver and xorg-server) 1.7.0 through 1.16.x before 1.16.3 allows remote authenticated users to cause a. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate arithmetic operations, use safe integer libraries, check bounds before allocation.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Integer Overflow (CWE-190), which allows attackers to cause unexpected behavior through arithmetic overflow. Integer overflow in the ProcDRI2GetBuffers function in the DRI2 extension in X.Org Server (aka xserver and xorg-server) 1.7.0 through 1.16.x before 1.16.3 allows remote authenticated users to cause a denial of service (crash) or possibly execute arbitrary code via a crafted request, which triggers an out-of-bounds read or write. Affected products include: X.Org X Server, Oracle Solaris, Debian Debian Linux. Version information: through 1.16..

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 6.5 MEDIUM
AV:N/AC:L/Au:S/C:P/I:P/A:P

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Confidentiality
P
Integrity
P
Availability
P

DescriptionCVE.org

Integer overflow in the ProcDRI2GetBuffers function in the DRI2 extension in X.Org Server (aka xserver and xorg-server) 1.7.0 through 1.16.x before 1.16.3 allows remote authenticated users to cause a denial of service (crash) or possibly execute arbitrary code via a crafted request, which triggers an out-of-bounds read or write.

Threat Intelligence Overview

EPSS Score
1.0%
Top 22% exploitable
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 1.0%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

33
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +32
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.

Integer overflow occurs when an arithmetic operation produces a result that exceeds the maximum value a given integer type can store.

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)CVE.org

cpe:2.3:a:x.org:x_server:1.7.0:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:1.7.0.901:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:1.7.0.902:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:1.7.1:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:1.7.1.901:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:1.7.1.902:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:1.7.2:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:1.7.2.901:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:1.7.2.902:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:1.7.3:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:1.7.3.901:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:1.7.3.902:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:1.7.4:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:1.7.4.901:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:1.7.4.902:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:1.7.5:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:1.7.5.901:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:1.7.5.902:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:1.7.6:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:1.7.6.901:*:*:*:*:*:*:*
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