// For flags

CVE-2021-34307

Siemens JT2Go TIF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

Severity Score

5.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A vulnerability has been identified in JT2Go (All versions < V13.2), Teamcenter Visualization (All versions < V13.2). The Tiff_Loader.dll library in affected applications lacks proper validation of user-supplied data when parsing TIFF files. This could result in an out of bounds read past the end of an allocated buffer. An attacker could leverage this vulnerability to leak information in the context of the current process. (ZDI-CAN-13343)

Se ha identificado una vulnerabilidad en JT2Go (Todas las versiones anteriores a V13.2), Teamcenter Visualization (Todas las versiones anteriores a V13.2). La biblioteca Tiff_Loader.dll de las aplicaciones afectadas no comprueba apropiadamente los datos suministrados por el usuario cuando se analizan los archivos TIFF. Esto podría resultar en una lectura fuera de límites más allá del final de un búfer asignado. Un atacante podría aprovechar esta vulnerabilidad para filtrar información en el contexto del proceso actual. (ZDI-CAN-13343)

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Siemens JT2Go. 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 parsing of TIF files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.

*Credits: Brian Gorenc of Trend Micro Zero Day Initiative
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-06-08 CVE Reserved
  • 2021-07-13 CVE Published
  • 2024-03-28 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-125: Out-of-bounds Read
  • CWE-126: Buffer Over-read
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Siemens
Search vendor "Siemens"
Jt2go
Search vendor "Siemens" for product "Jt2go"
< 13.2.0
Search vendor "Siemens" for product "Jt2go" and version " < 13.2.0"
-
Affected
Siemens
Search vendor "Siemens"
Teamcenter Visualization
Search vendor "Siemens" for product "Teamcenter Visualization"
< 13.2.0
Search vendor "Siemens" for product "Teamcenter Visualization" and version " < 13.2.0"
-
Affected