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Libplist CVE-2017-5834

MEDIUM
Out-of-bounds Read (CWE-125)
2017-03-03 cve@mitre.org
5.5
CVSS 3.0 · NVD
View

Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Bounds checking, read limits
MITRE ATT&CK

1 technique across 1 tactic: Collection

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

Impact

CVSS score of 5.5 (MEDIUM). Attack characteristics: local attack vector, low complexity, no privileges required, user interaction required. EPSS exploitation probability: 0.50%.

Exploit ScenarioDerived

A local attacker with access to the system could read data from memory outside the intended buffer boundaries. No authentication is required to exploit this vulnerability.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.5% exploitation probability (EPSS)

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AnalysisAI

The parse_dict_node function in bplist.c in libplist allows attackers to cause a denial of service (out-of-bounds heap read and crash) via a crafted file. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.

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 Out-of-bounds Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. The parse_dict_node function in bplist.c in libplist allows attackers to cause a denial of service (out-of-bounds heap read and crash) via a crafted file. Affected products include: Libimobiledevice Libplist.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.5 MEDIUM
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

DescriptionCVE.org

The parse_dict_node function in bplist.c in libplist allows attackers to cause a denial of service (out-of-bounds heap read and crash) via a crafted file.

Threat Intelligence Overview

EPSS Score
0.5%
Top 34% exploitable
Data Quality
4 sources
Confidence: Medium

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 0.5%
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
No
Human Impact· derived
Medium

Priority Score

29
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +28
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.

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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:libimobiledevice:libplist:*:*:*:*:*:*:*:*
CVE-2017-6438 HIGH POC
7.3 Mar 15

Heap-based buffer overflow in the parse_unicode_node function in bplist.c in libimobiledevice libplist 1.12 allows local

CVE-2017-5545 CRITICAL
9.1 Jan 21

The main function in plistutil.c in libimobiledevice libplist through 1.12 allows attackers to obtain sensitive informat

CVE-2017-5209 CRITICAL
9.1 Jan 11

The base64decode function in base64.c in libimobiledevice libplist through 1.12 allows attackers to obtain sensitive inf

CVE-2017-6435 MEDIUM POC
5.0 Mar 15

The parse_string_node function in bplist.c in libimobiledevice libplist 1.12 allows local users to cause a denial of ser

CVE-2017-6436 MEDIUM POC
5.0 Mar 15

The parse_string_node function in bplist.c in libimobiledevice libplist 1.12 allows local users to cause a denial of ser

CVE-2017-6437 MEDIUM POC
5.0 Mar 15

The base64encode function in base64.c in libimobiledevice libplist 1.12 allows local users to cause a denial of service

CVE-2017-6440 MEDIUM POC
5.0 Mar 15

The parse_data_node function in bplist.c in libimobiledevice libplist 1.12 allows local users to cause a denial of servi

CVE-2017-6439 MEDIUM POC
5.0 Mar 15

Heap-based buffer overflow in the parse_string_node function in bplist.c in libimobiledevice libplist 1.12 allows local

CVE-2017-5835 HIGH
7.5 Mar 03

libplist allows attackers to cause a denial of service (large memory allocation and crash) via vectors involving an offs

CVE-2017-5836 HIGH
7.5 Mar 03

The plist_free_data function in plist.c in libplist allows attackers to cause a denial of service (crash) via vectors in

CVE-2017-7982 MEDIUM
5.5 Apr 20

Integer overflow in the plist_from_bin function in bplist.c in libimobiledevice/libplist before 2017-04-19 allows remote

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