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Libplist CVE-2017-5836

HIGH
Double Free (CWE-415)
2017-03-03 cve@mitre.org
7.5
CVSS 3.0 · NVD
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Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Double free prevention
Impact

CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 0.27%.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 0.3% exploitation probability (EPSS)

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AnalysisAI

The plist_free_data function in plist.c in libplist allows attackers to cause a denial of service (crash) via vectors involving an integer node that is treated as a PLIST_KEY and then triggers an. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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 under CWE-415. The plist_free_data function in plist.c in libplist allows attackers to cause a denial of service (crash) via vectors involving an integer node that is treated as a PLIST_KEY and then triggers an invalid free. 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 7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

DescriptionCVE.org

The plist_free_data function in plist.c in libplist allows attackers to cause a denial of service (crash) via vectors involving an integer node that is treated as a PLIST_KEY and then triggers an invalid free.

Threat Intelligence Overview

EPSS Score
0.3%
Top 49% 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 HIGH
CISA KEV No
Public POC No
EPSS 0.3%
Patch available Yes
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
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
Yes
Human Impact· derived
Medium

Priority Score

38
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +38
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

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-2017-5834 MEDIUM
5.5 Mar 03

The parse_dict_node function in bplist.c in libplist allows attackers to cause a denial of service (out-of-bounds heap r

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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