Overview
CVE-2025-22409 is a serious security vulnerability discovered in the rfc_send_buf_uih function of rfc_ts_frames.cc. It could potentially allow an attacker to execute arbitrary code due to a use-after-free error and escalate privileges locally. This vulnerability does not require user interaction and can lead to serious consequences such as system compromise and data leakage. It’s important for users and system administrators to be aware of this vulnerability due to its high severity score of 8.4 and the potential for significant negative impact on the security of affected systems.
Vulnerability Summary
CVE ID: CVE-2025-22409
Severity: High (CVSS 8.4)
Attack Vector: Local
Privileges Required: None
User Interaction: None
Impact: System compromise and potential data leakage
Affected Products
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Product | Affected Versions
rfc_ts_frames | All versions prior to patch
How the Exploit Works
This vulnerability is based on a use-after-free error in the rfc_send_buf_uih function of rfc_ts_frames.cc. A use-after-free error occurs when a program continues to use a pointer after it has been freed. This can lead to a variety of adverse effects, including program crashes, incorrect operation, and exploitable conditions.
In this case, the error could allow an attacker to execute arbitrary code and escalate privileges locally. They could potentially gain control over the affected system, leading to system compromise or data leakage.
Conceptual Example Code
The following is a conceptual example of how this vulnerability might be exploited. It does not represent actual exploit code but is intended to illustrate the type of scenario that could occur.
#include <stdlib.h>
int main() {
char *p = malloc(10 * sizeof(char)); // allocate memory
free(p); // free memory
strcpy(p, "malicious code"); // use after free, potentially writing arbitrary code
return 0;
}In this example, memory is allocated to a pointer, then freed. However, the pointer is then used again to write arbitrary code, illustrating a use-after-free error. In the context of the CVE-2025-22409 vulnerability, such misuse could enable an attacker to execute arbitrary code and escalate privileges locally, leading to potential system compromise and data leakage.
Recommendations
Users and administrators are advised to apply the vendor patch as soon as possible to mitigate this vulnerability. As a temporary measure, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide some level of protection. However, these should not be considered as a long-term solution, as they cannot fully address the root cause of the vulnerability. Regular software updates and patch management are key practices in maintaining cybersecurity.
