Panda3D versions up to and including 1.10.16 egg-mkfont contains a stack-based buffer overflow vulnerability due to use of an unbounded sprintf() call with attacker-controlled input. When constructing glyph filenames, egg-mkfont formats a user-supplied glyph pattern (-gp) into a fixed-size stack buffer without length validation. Supplying an excessively long glyph pattern string can overflow the stack buffer, resulting in memory corruption and a deterministic crash. Depending on build configuration and execution environment, the overflow may also be exploitable for arbitrary code execution.
The CVSS score for this vulnerability is 6.9, indicating it is of medium severity. This score reflects the potential impact on availability, as the overflow may lead to a crash of the application. Organizations using affected versions of Panda3D should be aware of the associated risks.
Risk to organizations includes the possibility of service disruptions and potential arbitrary code execution, depending on the specific conditions of the attack. Hence, organizations should address this vulnerability in their priority patch cycle.
Currently, there are no known exploits in the wild, and it is not listed in the Known Exploited Vulnerabilities (KEV) catalog. Therefore, organizations can take proactive steps to mitigate this vulnerability before it is potentially exploited.
Organizations should prioritize patching immediately.
Vulnerability Details
Panda3D versions up to and including 1.10.16 egg-mkfont contains a stack-based buffer overflow vulnerability due to use of an unbounded sprintf() call with attacker-controlled input. When constructing glyph filenames, egg-mkfont formats a user-supplied glyph pattern (-gp) into a fixed-size stack buffer without length validation. Supplying an excessively long glyph pattern string can overflow the stack buffer, resulting in memory corruption and a deterministic crash. Depending on build configuration and execution environment, the overflow may also be exploitable for arbitrary code execution.
The vulnerability has a CVSS score of 6.9, indicating medium severity, with a base severity classification of medium. The CVSS vector indicates a local attack vector with low complexity and no privileges required.
The vulnerability is classified under CWE-121 (Stack-based Buffer Overflow) and CWE-787 (Out-of-bounds Write).
Technical Analysis
The root cause of this vulnerability is the use of an unbounded sprintf() function that does not validate the length of user-provided input. As a result, attackers can supply a glyph pattern longer than the stack buffer can handle, causing a buffer overflow.
The attack vector is local, as it requires the attacker to have access to the system where Panda3D is running. The attack complexity is low because the vulnerability can be exploited without any specific conditions or prerequisites.
No privileges are required to exploit this vulnerability, and no user interaction is needed. If exploited, the confidentiality, integrity, and availability impacts are classified as high due to the potential for arbitrary code execution and application crashes.
Risk & Impact Analysis
The real-world deployment risk associated with this vulnerability is significant, as it may allow attackers to crash the application or execute arbitrary code. Organizations using affected versions of Panda3D should assess their exposure and determine the potential impact on their systems.
This vulnerability matters to organizations as it poses a risk to application stability and integrity. The potential blast radius could affect any systems running the vulnerable versions, hence it is critical to address this issue promptly.
Given the CVSS score of 6.9 and its current status, organizations should address this vulnerability in their priority patch cycle.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
All versions of Panda3D up to and including 1.10.16 are affected by this vulnerability.
Mitigation & Remediation
To mitigate this vulnerability, organizations should apply the latest patches provided by CMU for Panda3D. Ensure that all systems are updated to the latest version to avoid exposure to this vulnerability. Organizations may also consider implementing additional network controls to limit access to the affected application.
For effective risk management, organizations should also conduct regular security assessments, including penetration testing to identify vulnerabilities in their systems.
Detection Guidance
Organizations should monitor logs for any anomalous behavior that may indicate exploitation attempts, including unexpected application crashes or memory corruption incidents. Additionally, monitoring network traffic for unusual patterns associated with the use of the egg-mkfont tool can help detect potential exploitation.
AppSecure Threat Intelligence Insight
The long-term significance of this vulnerability lies in its potential to disrupt application availability and integrity. Security teams should recognize the patterns of vulnerabilities related to improper input handling, as they can lead to serious consequences if left unaddressed. Organizations should consider developing a comprehensive vulnerability management program that includes regular updates and assessments.
In addition, organizations should stay informed about emerging vulnerabilities and threats by engaging in continuous security training and awareness programs. This helps reinforce the importance of security best practices across teams.
Finally, leveraging resources such as penetration testing methodologies can significantly bolster overall security posture.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
.webp)