HOMEVULNERABILITIESCVE-2017-5209
CRITICAL

CVE-2017-5209

CWE-125Published: January 11, 2017· Updated: Jun 17, 2026

9.1
CVSS v3.1

Official Description

The base64decode function in base64.c in libimobiledevice libplist through 1.12 allows attackers to obtain sensitive information from process memory or cause a denial of service (buffer over-read) via split encoded Apple Property List data.

NVD Source

Technical Analysis

CVE-2017-5209 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), availability disruption (denial of service), with a CVSS base score of 9.1.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Affected Vendors & Products

libimobiledevice1 product(s)
libplist
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories

PATCHhttps://github.com/libimobiledevice/libplist/commit/3a55ddd3c4c11ce75a86afbefd085d8d397ff957
PATCHhttps://github.com/libimobiledevice/libplist/commit/3a55ddd3c4c11ce75a86afbefd085d8d397ff957
ADVISORYhttp://www.securityfocus.com/bid/95385
ADVISORYhttp://www.securityfocus.com/bid/95385

All References (6)

→
http://www.securityfocus.com/bid/95385Third Party Advisory · VDB Entry
→
https://github.com/libimobiledevice/libplist/commit/3a55ddd3c4c11ce75a86afbefd085d8d397ff957Patch
→
https://lists.debian.org/debian-lts-announce/2020/04/msg00002.html
→
http://www.securityfocus.com/bid/95385Third Party Advisory · VDB Entry
→
https://github.com/libimobiledevice/libplist/commit/3a55ddd3c4c11ce75a86afbefd085d8d397ff957Patch
→
https://lists.debian.org/debian-lts-announce/2020/04/msg00002.html

Quick Facts

CVE IDCVE-2017-5209
CVSS Score9.1 / 10
SeverityCRITICAL
WeaknessCWE-125
CISA KEVNo
Affected1 vendor(s)
PublishedJan 11, 2017

Related CVEs (CWE-125)

CVE-2026-24826
10.0
CVE-2021-21777
10.0
CVE-2021-41556
10.0
CVE-2017-14451
10.0
CVE-2009-2523
10.0
CVE-2013-0767
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2017-5209 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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