Denial of Service Vulnerability in Navicat for Oracle by PremiumSoft
CVE-2019-25653

6.9MEDIUM

Key Information:

Vendor

Navicat

Status
Navicat For Oracle
Vendor
CVE Published:
30 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2019-25653?

Navicat for Oracle version 12.1.15 is affected by a denial of service vulnerability. Local attackers can exploit this flaw by inputting an excessively long string, specifically a buffer of 550 repeated characters, into the password field during the Oracle connection setup. This action can lead to a crash of the application, disrupting its normal operations and potentially impacting users relying on the tool for database management.

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Deploy the Patch

Affected Version(s)

Navicat for Oracle 12.1.15

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2019-25653 - Proof of Concept

References

https://www.exploit-db.com/exploits/46383
exploit
https://www.navicat.com/es/
product
https://www.navicat.com/es/download/navicat-for-oracle
product

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Victor Mondragón
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