Buffer Overflow Vulnerability in SumatraPDF Reader by Krzysztof Kowalczyk
CVE-2023-33802

5.5MEDIUM

Key Information:

Vendor

SumatraPDFreader

Status
SumatraPDF
Vendor
CVE Published:
26 July 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-33802?

A buffer overflow vulnerability found in SumatraPDF Reader version 3.4.6 allows attackers to exploit crafted text files. This can lead to execution of arbitrary code or cause a Denial of Service (DoS), rendering the application unusable. Users are advised to update to the latest version to mitigate potential risks associated with this security flaw.

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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-2023-33802
Created by CDACesec

References

https://github.com/CDACesec/CVE-2023-33802

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

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