HOMEVULNERABILITIESCVE-2018-9948
MEDIUMPOC

CVE-2018-9948

CWE-824Published: May 17, 2018· Updated: Jun 17, 2026

6.5
CVSS v3.1

Official Description

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Foxit Reader 9.0.0.29935. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of typed arrays. The issue results from the lack of proper initialization of a pointer prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process. Was ZDI-CAN-5380.

NVD Source

Technical Analysis

CVE-2018-9948 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 6.5.

A proof-of-concept (PoC) exploit exists for CVE-2018-9948. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

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

Affected Vendors & Products

foxitsoftware2 product(s)
foxit readerphantompdf
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
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
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://www.foxitsoftware.com/support/security-bulletins.php
PATCHhttps://www.foxitsoftware.com/support/security-bulletins.php
ADVISORYhttps://www.exploit-db.com/exploits/44941/
ADVISORYhttps://www.exploit-db.com/exploits/45269/
ADVISORYhttps://zerodayinitiative.com/advisories/ZDI-18-332
ADVISORYhttps://www.exploit-db.com/exploits/44941/
ADVISORYhttps://www.exploit-db.com/exploits/45269/
ADVISORYhttps://zerodayinitiative.com/advisories/ZDI-18-332

All References (8)

→
https://www.exploit-db.com/exploits/44941/Third Party Advisory · VDB Entry
→
https://www.exploit-db.com/exploits/45269/Third Party Advisory · VDB Entry
→
https://www.foxitsoftware.com/support/security-bulletins.phpPatch · Vendor Advisory
→
https://zerodayinitiative.com/advisories/ZDI-18-332Third Party Advisory · VDB Entry
→
https://www.exploit-db.com/exploits/44941/Third Party Advisory · VDB Entry
→
https://www.exploit-db.com/exploits/45269/Third Party Advisory · VDB Entry
→
https://www.foxitsoftware.com/support/security-bulletins.phpPatch · Vendor Advisory
→
https://zerodayinitiative.com/advisories/ZDI-18-332Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2018-9948
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-824
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedMay 17, 2018

Related CVEs (CWE-824)

CVE-2007-2442
10.0
CVE-2009-0846
10.0
CVE-2020-11138
9.8
CVE-2020-17446
9.8
CVE-2018-11743
9.8
CVE-2017-12561
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-9948 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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