What is the CVSS score of CVE-2014-3635?

CVE-2014-3635 has a CVSS 2.0 base score of 4.4 (Medium). CVSS vector: AV:L/AC:M/Au:N/C:P/I:P/A:P. EPSS exploitation probability: 0.2%.

Is there a patch available for CVE-2014-3635?

Yes, a patch is available for CVE-2014-3635. Update the affected software to the latest version immediately.

Dbus CVE-2014-3635

MEDIUM

Buffer Overflow (CWE-119)

2014-09-22 secalert@redhat.com

RCE Buffer Overflow Denial Of Service D Bus Opensuse Dbus Freedesktop D Bus Project

4.4

CVSS 2.0 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-119 ASVS 5.0 V15 - Secure Coding and Architecture Bounds checking, buffer size validation MITRE ATT&CK 2 techniques across 2 tactics: Execution, Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 4.4 (MEDIUM). Attack characteristics: local attack vector, M complexity. EPSS exploitation probability: 0.17%.
Exploit ScenarioDerived	A local attacker with access to the system could corrupt memory to execute arbitrary code or crash the application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Patch available 0.2% exploitation probability (EPSS)

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AnalysisAI

Off-by-one error in D-Bus 1.3.0 through 1.6.x before 1.6.24 and 1.8.x before 1.8.8, when running on a 64-bit system and the max_message_unix_fds limit is set to an odd number, allows local users to. Rated medium severity (CVSS 4.4). This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.

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 Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. Off-by-one error in D-Bus 1.3.0 through 1.6.x before 1.6.24 and 1.8.x before 1.8.8, when running on a 64-bit system and the max_message_unix_fds limit is set to an odd number, allows local users to cause a denial of service (dbus-daemon crash) or possibly execute arbitrary code by sending one more file descriptor than the limit, which triggers a heap-based buffer overflow or an assertion failure. Affected products include: D-Bus Project D-Bus, Freedesktop Dbus, Opensuse. Version information: through 1.6..

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 4.4 MEDIUM

AV:L/AC:M/Au:N/C:P/I:P/A:P

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

Confidentiality

Integrity

Availability

DescriptionCVE.org

Off-by-one error in D-Bus 1.3.0 through 1.6.x before 1.6.24 and 1.8.x before 1.8.8, when running on a 64-bit system and the max_message_unix_fds limit is set to an odd number, allows local users to cause a denial of service (dbus-daemon crash) or possibly execute arbitrary code by sending one more file descriptor than the limit, which triggers a heap-based buffer overflow or an assertion failure.

Threat Intelligence Overview

EPSS Score

0.2%

Top 62% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

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 0.2%

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

Defer

Exploitation· derived

None

System Exposure· derived

Small

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +22

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Buffer Overflow HIGH

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.

Remote Code Execution CRITICAL

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

Denial of Service MEDIUM

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:d-bus_project:d-bus:*:*:*:*:*:*:*:*

cpe:2.3:a:freedesktop:dbus:1.6.0:*:*:*:*:*:*:*

cpe:2.3:a:freedesktop:dbus:1.6.2:*:*:*:*:*:*:*

cpe:2.3:a:freedesktop:dbus:1.6.4:*:*:*:*:*:*:*

cpe:2.3:a:freedesktop:dbus:1.6.6:*:*:*:*:*:*:*

cpe:2.3:a:freedesktop:dbus:1.6.8:*:*:*:*:*:*:*

cpe:2.3:a:freedesktop:dbus:1.6.10:*:*:*:*:*:*:*

cpe:2.3:a:freedesktop:dbus:1.6.12:*:*:*:*:*:*:*

cpe:2.3:a:freedesktop:dbus:1.6.14:*:*:*:*:*:*:*

cpe:2.3:a:freedesktop:dbus:1.6.16:*:*:*:*:*:*:*

cpe:2.3:a:freedesktop:dbus:1.6.18:*:*:*:*:*:*:*

cpe:2.3:a:freedesktop:dbus:1.6.20:*:*:*:*:*:*:*

cpe:2.3:a:freedesktop:dbus:1.8.0:*:*:*:*:*:*:*

cpe:2.3:a:freedesktop:dbus:1.8.2:*:*:*:*:*:*:*

cpe:2.3:a:freedesktop:dbus:1.8.4:*:*:*:*:*:*:*

cpe:2.3:a:freedesktop:dbus:1.8.6:*:*:*:*:*:*:*

cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:*

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References

Advisories & patches

PATCH https://bugs.freedesktop.org/show_bug.cgi?id=83622 REF http://advisories.mageia.org/MGASA-2014-0395.html REF http://lists.opensuse.org/opensuse-updates/2014-09/msg00049.html REF http://secunia.com/advisories/61378 REF http://www.debian.org/security/2014/dsa-3026 REF http://www.mandriva.com/security/advisories?name=MDVSA-2015:176 REF http://www.openwall.com/lists/oss-security/2014/09/16/9 REF http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html REF http://www.securitytracker.com/id/1030864 REF http://www.ubuntu.com/usn/USN-2352-1

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