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

5.5MEDIUM

Key Information:

Vendor
CVE Published:
26 July 2023

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก 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.

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.

References

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

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

.