CVE-2020-24996

There is an invalid memory access in the function TextString::~TextString() located in Catalog.cc in Xpdf 4.0.2. It can be triggered by (for example) sending a crafted pdf file to the pdftohtml binary, which allows a remote attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.

CVSS v3 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://forum.xpdfreader.com/viewtopic.php?f=3&t=42028	Exploit Vendor Advisory
https://forum.xpdfreader.com/viewtopic.php?f=3&t=42028	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:xpdfreader:xpdf:4.0.2:*:*:*:*:*:*:*

History

21 Nov 2024, 05:16

Type	Values Removed	Values Added
References	~~() https://forum.xpdfreader.com/viewtopic.php?f=3&t=42028 - Exploit, Vendor Advisory~~	() https://forum.xpdfreader.com/viewtopic.php?f=3&t=42028 - Exploit, Vendor Advisory

Information

Published : 2020-09-03 23:15

Updated : 2024-11-21 05:16

NVD link : CVE-2020-24996

Mitre link : CVE-2020-24996

CVE.ORG link : CVE-2020-24996

JSON object : View

Products Affected

xpdfreader

xpdf

CWE

CWE-665

Improper Initialization

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